Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
David S. Miller [Sun, 15 Feb 2009 07:12:00 +0000 (23:12 -0800)]
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl3945-base.c

349 files changed:
.mailmap
Documentation/connector/cn_test.c
Documentation/cpu-freq/user-guide.txt
Documentation/filesystems/sysfs-pci.txt
Documentation/kernel-doc-nano-HOWTO.txt
Documentation/kernel-parameters.txt
MAINTAINERS
Makefile
arch/alpha/include/asm/bug.h
arch/arm/kernel/machine_kexec.c
arch/arm/mach-pxa/dma.c
arch/arm/mach-pxa/include/mach/regs-ac97.h
arch/arm/mach-pxa/include/mach/regs-ssp.h
arch/arm/mach-pxa/pxa300.c
arch/arm/mach-pxa/pxa320.c
arch/frv/mm/dma-alloc.c
arch/ia64/sn/kernel/io_acpi_init.c
arch/ia64/sn/kernel/io_init.c
arch/mips/include/asm/spinlock.h
arch/powerpc/boot/dts/mpc8313erdb.dts
arch/powerpc/configs/83xx/mpc8313_rdb_defconfig
arch/powerpc/kernel/ftrace.c
arch/powerpc/kernel/pci-common.c
arch/powerpc/lib/sstep.c
arch/powerpc/mm/fsl_booke_mmu.c
arch/powerpc/mm/hash_low_32.S
arch/powerpc/mm/pgtable_32.c
arch/powerpc/oprofile/cell/spu_profiler.c
arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
arch/powerpc/platforms/pseries/hotplug-memory.c
arch/powerpc/sysdev/cpm2_pic.c
arch/powerpc/sysdev/ipic.c
arch/s390/defconfig
arch/s390/include/asm/lowcore.h
arch/s390/kernel/irq.c
arch/sh/boards/board-ap325rxa.c
arch/sh/configs/ap325rxa_defconfig
arch/sh/configs/migor_defconfig
arch/sh/include/asm/mutex-llsc.h
arch/sh/include/asm/syscall_32.h
arch/sh/include/asm/syscall_64.h
arch/sh/kernel/cpu/sh4/fpu.c
arch/sh/kernel/setup.c
arch/sh/kernel/signal_32.c
arch/sh/kernel/signal_64.c
arch/sh/lib/checksum.S
arch/sparc/kernel/head_64.S
arch/sparc/kernel/nmi.c
arch/sparc/kernel/pcr.c
arch/sparc/lib/GENbzero.S
arch/sparc/lib/GENcopy_from_user.S
arch/sparc/lib/GENcopy_to_user.S
arch/sparc/lib/NG2copy_from_user.S
arch/sparc/lib/NG2copy_to_user.S
arch/sparc/lib/NGbzero.S
arch/sparc/lib/NGcopy_from_user.S
arch/sparc/lib/NGcopy_to_user.S
arch/sparc/lib/U1copy_from_user.S
arch/sparc/lib/U1copy_to_user.S
arch/sparc/lib/U3copy_from_user.S
arch/sparc/lib/U3copy_to_user.S
arch/sparc/lib/bzero.S
arch/sparc/lib/copy_in_user.S
arch/x86/Kconfig
arch/x86/Kconfig.cpu
arch/x86/ia32/ia32entry.S
arch/x86/include/asm/a.out-core.h
arch/x86/include/asm/cpufeature.h
arch/x86/include/asm/math_emu.h
arch/x86/include/asm/mpspec.h
arch/x86/include/asm/paravirt.h
arch/x86/include/asm/pgtable.h
arch/x86/include/asm/processor.h
arch/x86/include/asm/spinlock.h
arch/x86/include/asm/traps.h
arch/x86/include/asm/xen/page.h
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
arch/x86/kernel/apic.c
arch/x86/kernel/cpu/cpufreq/Kconfig
arch/x86/kernel/cpu/cpufreq/powernow-k8.c
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/cpu/intel_cacheinfo.c
arch/x86/kernel/entry_64.S
arch/x86/kernel/ftrace.c
arch/x86/kernel/hpet.c
arch/x86/kernel/i8237.c
arch/x86/kernel/io_apic.c
arch/x86/kernel/irqinit_32.c
arch/x86/kernel/process.c
arch/x86/kernel/process_64.c
arch/x86/kernel/setup.c
arch/x86/kernel/traps.c
arch/x86/kernel/vmi_32.c
arch/x86/mach-default/setup.c
arch/x86/mach-voyager/setup.c
arch/x86/mach-voyager/voyager_smp.c
arch/x86/math-emu/fpu_entry.c
arch/x86/math-emu/fpu_proto.h
arch/x86/math-emu/fpu_system.h
arch/x86/math-emu/get_address.c
arch/x86/mm/fault.c
arch/x86/xen/multicalls.h
crypto/algapi.c
crypto/api.c
crypto/scatterwalk.c
crypto/shash.c
drivers/acpi/Kconfig
drivers/acpi/acpica/tbutils.c
drivers/acpi/acpica/uteval.c
drivers/acpi/container.c
drivers/acpi/dock.c
drivers/acpi/ec.c
drivers/acpi/glue.c
drivers/acpi/osl.c
drivers/acpi/pci_link.c
drivers/acpi/processor_idle.c
drivers/acpi/processor_perflib.c
drivers/acpi/sleep.c
drivers/acpi/tables.c
drivers/acpi/video.c
drivers/atm/fore200e.c
drivers/block/nbd.c
drivers/char/sx.c
drivers/char/tpm/tpm_infineon.c
drivers/cpufreq/cpufreq_ondemand.c
drivers/firewire/fw-card.c
drivers/gpu/drm/Kconfig
drivers/gpu/drm/drm_irq.c
drivers/gpu/drm/drm_memory.c
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/i915_drv.c
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_tiling.c
drivers/gpu/drm/i915/i915_irq.c
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_drv.h
drivers/gpu/drm/i915/intel_lvds.c
drivers/gpu/drm/i915/intel_sdvo.c
drivers/gpu/drm/i915/intel_sdvo_regs.h
drivers/gpu/drm/radeon/radeon_cp.c
drivers/hwmon/hp_accel.c
drivers/ieee1394/dv1394.c
drivers/md/linear.c
drivers/md/md.c
drivers/md/raid1.c
drivers/misc/Kconfig
drivers/misc/atmel-ssc.c
drivers/misc/hpilo.c
drivers/misc/hpilo.h
drivers/misc/sgi-xp/xpc.h
drivers/misc/sgi-xp/xpc_uv.c
drivers/net/3c505.c
drivers/net/bnx2.c
drivers/net/bnx2.h
drivers/net/bnx2_fw.h
drivers/net/bnx2_fw2.h
drivers/net/irda/mcs7780.c
drivers/net/netxen/netxen_nic_main.c
drivers/net/phy/mdio-gpio.c
drivers/net/qlge/qlge_main.c
drivers/net/sun3lance.c
drivers/net/sunhme.c
drivers/net/tg3.c
drivers/net/wireless/zd1211rw/zd_rf.c
drivers/net/wireless/zd1211rw/zd_usb.c
drivers/parport/parport_serial.c
drivers/pci/intel-iommu.c
drivers/pci/pci-driver.c
drivers/pci/pci-sysfs.c
drivers/pci/pci.c
drivers/pci/pcie/aspm.c
drivers/pci/pcie/portdrv_pci.c
drivers/pci/rom.c
drivers/platform/x86/Kconfig
drivers/platform/x86/asus-laptop.c
drivers/platform/x86/asus_acpi.c
drivers/platform/x86/eeepc-laptop.c
drivers/platform/x86/hp-wmi.c
drivers/platform/x86/panasonic-laptop.c
drivers/power/pcf50633-charger.c
drivers/rtc/Kconfig
drivers/rtc/Makefile
drivers/rtc/rtc-au1xxx.c
drivers/rtc/rtc-dm355evm.c [new file with mode: 0644]
drivers/rtc/rtc-ds1390.c
drivers/rtc/rtc-pxa.c
drivers/s390/block/dasd.c
drivers/s390/block/dasd_devmap.c
drivers/staging/android/Kconfig
drivers/staging/android/ram_console.c
drivers/staging/android/timed_gpio.c
drivers/staging/at76_usb/Kconfig
drivers/staging/at76_usb/at76_usb.c
drivers/staging/at76_usb/at76_usb.h
drivers/staging/panel/panel.c
drivers/usb/Makefile
drivers/usb/class/cdc-acm.c
drivers/usb/gadget/fsl_qe_udc.c
drivers/usb/serial/aircable.c
drivers/usb/serial/ftdi_sio.c
drivers/usb/serial/ftdi_sio.h
drivers/usb/serial/option.c
drivers/usb/serial/ti_usb_3410_5052.c
drivers/usb/serial/ti_usb_3410_5052.h
drivers/usb/storage/scsiglue.c
drivers/usb/storage/transport.c
drivers/usb/storage/unusual_devs.h
drivers/video/Kconfig
drivers/video/aty/aty128fb.c
drivers/video/aty/atyfb_base.c
drivers/video/aty/radeon_base.c
drivers/video/aty/radeon_pm.c
drivers/video/aty/radeonfb.h
drivers/video/backlight/Makefile
drivers/video/backlight/da903x_bl.c [moved from drivers/video/backlight/da903x.c with 100% similarity]
drivers/video/bfin-t350mcqb-fb.c
drivers/video/fbcmap.c
drivers/video/fbmem.c
drivers/video/geode/gx1fb_core.c
drivers/video/geode/gxfb_core.c
drivers/video/geode/lxfb_core.c
drivers/w1/slaves/w1_therm.c
fs/binfmt_elf.c
fs/btrfs/Kconfig
fs/btrfs/async-thread.c
fs/btrfs/compression.c
fs/btrfs/ctree.c
fs/btrfs/ctree.h
fs/btrfs/disk-io.c
fs/btrfs/disk-io.h
fs/btrfs/extent-tree.c
fs/btrfs/extent_io.c
fs/btrfs/extent_io.h
fs/btrfs/extent_map.c
fs/btrfs/file.c
fs/btrfs/inode.c
fs/btrfs/ioctl.c
fs/btrfs/locking.c
fs/btrfs/locking.h
fs/btrfs/ordered-data.c
fs/btrfs/ref-cache.c
fs/btrfs/ref-cache.h
fs/btrfs/super.c
fs/btrfs/transaction.c
fs/btrfs/tree-defrag.c
fs/btrfs/tree-log.c
fs/btrfs/volumes.c
fs/btrfs/xattr.c
fs/btrfs/xattr.h
fs/buffer.c
fs/compat.c
fs/compat_ioctl.c
fs/configfs/dir.c
fs/ecryptfs/crypto.c
fs/exec.c
fs/ext2/super.c
fs/ext3/super.c
fs/hugetlbfs/inode.c
fs/internal.h
fs/jbd/journal.c
fs/lockd/svclock.c
fs/seq_file.c
fs/super.c
include/acpi/pdc_intel.h
include/crypto/hash.h
include/drm/i915_drm.h
include/linux/async.h
include/linux/cgroup.h
include/linux/crypto.h
include/linux/fb.h
include/linux/hugetlb.h
include/linux/init_task.h
include/linux/kernel.h
include/linux/mm.h
include/linux/module.h
include/linux/pci.h
include/linux/pkt_sched.h
include/linux/sched.h
include/linux/soundcard.h
include/linux/spinlock.h
include/linux/syscalls.h
include/linux/wait.h
include/net/sock.h
include/video/aty128.h
include/video/mach64.h
include/video/radeon.h
ipc/shm.c
kernel/async.c
kernel/cgroup.c
kernel/exit.c
kernel/fork.c
kernel/irq/numa_migrate.c
kernel/itimer.c
kernel/posix-cpu-timers.c
kernel/power/main.c
kernel/profile.c
kernel/sched.c
kernel/sched_fair.c
kernel/sched_stats.h
kernel/signal.c
kernel/sys.c
kernel/sysctl.c
kernel/trace/ftrace.c
kernel/user.c
kernel/wait.c
mm/fremap.c
mm/hugetlb.c
mm/memory.c
mm/migrate.c
mm/mlock.c
mm/mmap.c
mm/mprotect.c
mm/page-writeback.c
mm/page_cgroup.c
mm/rmap.c
mm/slab.c
mm/slob.c
mm/slub.c
net/core/sock.c
net/mac80211/tx.c
net/phonet/pep-gprs.c
net/phonet/pep.c
net/wimax/id-table.c
scripts/kernel-doc
sound/arm/aaci.c
sound/core/oss/pcm_oss.c
sound/drivers/mtpav.c
sound/pci/hda/hda_codec.c
sound/pci/hda/hda_codec.h
sound/pci/hda/hda_hwdep.c
sound/pci/hda/hda_local.h
sound/pci/hda/hda_proc.c
sound/pci/hda/patch_analog.c
sound/pci/hda/patch_intelhdmi.c
sound/pci/hda/patch_realtek.c
sound/pci/hda/patch_sigmatel.c
sound/pci/intel8x0.c
sound/soc/atmel/atmel_ssc_dai.c
sound/soc/atmel/atmel_ssc_dai.h
sound/soc/codecs/tlv320aic3x.c
sound/soc/codecs/wm8350.c
sound/soc/codecs/wm8990.c
sound/soc/omap/omap-pcm.c
sound/soc/omap/sdp3430.c
sound/soc/soc-core.c
sound/usb/usbaudio.c

index 4e83e7b..a62e6a8 100644 (file)
--- a/.mailmap
+++ b/.mailmap
@@ -92,6 +92,7 @@ Rudolf Marek <R.Marek@sh.cvut.cz>
 Rui Saraiva <rmps@joel.ist.utl.pt>
 Sachin P Sant <ssant@in.ibm.com>
 Sam Ravnborg <sam@mars.ravnborg.org>
+Sascha Hauer <s.hauer@pengutronix.de>
 S.Çağlar Onur <caglar@pardus.org.tr>
 Simon Kelley <simon@thekelleys.org.uk>
 Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
@@ -100,6 +101,7 @@ Tejun Heo <htejun@gmail.com>
 Thomas Graf <tgraf@suug.ch>
 Tony Luck <tony.luck@intel.com>
 Tsuneo Yoshioka <Tsuneo.Yoshioka@f-secure.com>
-Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
 Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
+Uwe Kleine-König <ukl@pengutronix.de>
+Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
 Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
index be7af14..6977c17 100644 (file)
@@ -137,7 +137,7 @@ static void cn_test_timer_func(unsigned long __data)
 
                memcpy(m + 1, data, m->len);
 
-               cn_netlink_send(m, 0, gfp_any());
+               cn_netlink_send(m, 0, GFP_ATOMIC);
                kfree(m);
        }
 
@@ -160,10 +160,8 @@ static int cn_test_init(void)
                goto err_out;
        }
 
-       init_timer(&cn_test_timer);
-       cn_test_timer.function = cn_test_timer_func;
+       setup_timer(&cn_test_timer, cn_test_timer_func, 0);
        cn_test_timer.expires = jiffies + HZ;
-       cn_test_timer.data = 0;
        add_timer(&cn_test_timer);
 
        return 0;
index e3443dd..917918f 100644 (file)
@@ -195,19 +195,3 @@ scaling_setspeed.          By "echoing" a new frequency into this
                                you can change the speed of the CPU,
                                but only within the limits of
                                scaling_min_freq and scaling_max_freq.
-                               
-
-3.2 Deprecated Interfaces
--------------------------
-
-Depending on your kernel configuration, you might find the following 
-cpufreq-related files:
-/proc/cpufreq
-/proc/sys/cpu/*/speed
-/proc/sys/cpu/*/speed-min
-/proc/sys/cpu/*/speed-max
-
-These are files for deprecated interfaces to cpufreq, which offer far
-less functionality. Because of this, these interfaces aren't described
-here.
-
index 68ef488..9f8740c 100644 (file)
@@ -9,6 +9,7 @@ that support it.  For example, a given bus might look like this:
      |   |-- class
      |   |-- config
      |   |-- device
+     |   |-- enable
      |   |-- irq
      |   |-- local_cpus
      |   |-- resource
@@ -32,6 +33,7 @@ files, each with their own function.
        class              PCI class (ascii, ro)
        config             PCI config space (binary, rw)
        device             PCI device (ascii, ro)
+       enable             Whether the device is enabled (ascii, rw)
        irq                IRQ number (ascii, ro)
        local_cpus         nearby CPU mask (cpumask, ro)
        resource                   PCI resource host addresses (ascii, ro)
@@ -57,10 +59,19 @@ used to do actual device programming from userspace.  Note that some platforms
 don't support mmapping of certain resources, so be sure to check the return
 value from any attempted mmap.
 
+The 'enable' file provides a counter that indicates how many times the device 
+has been enabled.  If the 'enable' file currently returns '4', and a '1' is
+echoed into it, it will then return '5'.  Echoing a '0' into it will decrease
+the count.  Even when it returns to 0, though, some of the initialisation
+may not be reversed.  
+
 The 'rom' file is special in that it provides read-only access to the device's
 ROM file, if available.  It's disabled by default, however, so applications
 should write the string "1" to the file to enable it before attempting a read
-call, and disable it following the access by writing "0" to the file.
+call, and disable it following the access by writing "0" to the file.  Note
+that the device must be enabled for a rom read to return data succesfully.
+In the event a driver is not bound to the device, it can be enabled using the
+'enable' file, documented above.
 
 Accessing legacy resources through sysfs
 ----------------------------------------
index d73fbd2..026ec7d 100644 (file)
@@ -43,7 +43,8 @@ Only comments so marked will be considered by the kernel-doc scripts,
 and any comment so marked must be in kernel-doc format.  Do not use
 "/**" to be begin a comment block unless the comment block contains
 kernel-doc formatted comments.  The closing comment marker for
-kernel-doc comments can be either "*/" or "**/".
+kernel-doc comments can be either "*/" or "**/", but "*/" is
+preferred in the Linux kernel tree.
 
 Kernel-doc comments should be placed just before the function
 or data structure being described.
@@ -63,7 +64,7 @@ Example kernel-doc function comment:
  * comment lines.
  *
  * The longer description can have multiple paragraphs.
- **/
+ */
 
 The first line, with the short description, must be on a single line.
 
@@ -85,7 +86,7 @@ Example kernel-doc data structure comment.
  *             perhaps with more lines and words.
  *
  * Longer description of this structure.
- **/
+ */
 
 The kernel-doc function comments describe each parameter to the
 function, in order, with the @name lines.
index d8362cf..b182626 100644 (file)
@@ -937,6 +937,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
 
        intel_iommu=    [DMAR] Intel IOMMU driver (DMAR) option
+               on
+                       Enable intel iommu driver.
                off
                        Disable intel iommu driver.
                igfx_off [Default Off]
index 5bff376..db65b4e 100644 (file)
@@ -1021,6 +1021,14 @@ M:       mb@bu3sch.de
 W:     http://bu3sch.de/btgpio.php
 S:     Maintained
 
+BTRFS FILE SYSTEM
+P:     Chris Mason
+M:     chris.mason@oracle.com
+L:     linux-btrfs@vger.kernel.org
+W:     http://btrfs.wiki.kernel.org/
+T:     git kernel.org:/pub/scm/linux/kernel/git/mason/btrfs-unstable.git
+S:     Maintained
+
 BTTV VIDEO4LINUX DRIVER
 P:     Mauro Carvalho Chehab
 M:     mchehab@infradead.org
@@ -1194,6 +1202,8 @@ S:        Supported
 CONTROL GROUPS (CGROUPS)
 P:     Paul Menage
 M:     menage@google.com
+P:     Li Zefan
+M:     lizf@cn.fujitsu.com
 L:     containers@lists.linux-foundation.org
 S:     Maintained
 
@@ -2212,7 +2222,7 @@ P:        Sean Hefty
 M:     sean.hefty@intel.com
 P:     Hal Rosenstock
 M:     hal.rosenstock@gmail.com
-L:     general@lists.openfabrics.org
+L:     general@lists.openfabrics.org (moderated for non-subscribers)
 W:     http://www.openib.org/
 T:     git kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git
 S:     Supported
@@ -3529,6 +3539,12 @@ S:       Maintained
 PXA MMCI DRIVER
 S:     Orphan
 
+PXA RTC DRIVER
+P:     Robert Jarzmik
+M:     robert.jarzmik@free.fr
+L:     rtc-linux@googlegroups.com
+S:     Maintained
+
 QLOGIC QLA2XXX FC-SCSI DRIVER
 P:     Andrew Vasquez
 M:     linux-driver@qlogic.com
@@ -4277,8 +4293,8 @@ P:        Rajiv Andrade
 M:     srajiv@linux.vnet.ibm.com
 W:     http://tpmdd.sourceforge.net
 P:     Marcel Selhorst
-M:     tpm@selhorst.net
-W:     http://www.prosec.rub.de/tpm/
+M:     m.selhorst@sirrix.com
+W:     http://www.sirrix.com
 L:     tpmdd-devel@lists.sourceforge.net (moderated for non-subscribers)
 S:     Maintained
 
@@ -4841,6 +4857,7 @@ P:        Ingo Molnar
 M:     mingo@redhat.com
 P:     H. Peter Anvin
 M:     hpa@zytor.com
+M:     x86@kernel.org
 L:     linux-kernel@vger.kernel.org
 T:     git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
 S:     Maintained
index 7715b2c..22d7584 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 29
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc5
 NAME = Erotic Pickled Herring
 
 # *DOCUMENTATION*
index 7b85b7c..1720c8a 100644 (file)
@@ -8,12 +8,12 @@
 
 /* ??? Would be nice to use .gprel32 here, but we can't be sure that the
    function loaded the GP, so this could fail in modules.  */
-#define BUG()  {                                                       \
+#define BUG()  do {                                                    \
        __asm__ __volatile__(                                           \
                "call_pal %0  # bugchk\n\t"                             \
                ".long %1\n\t.8byte %2"                                 \
                : : "i"(PAL_bugchk), "i"(__LINE__), "i"(__FILE__));     \
-       for ( ; ; ); }
+       for ( ; ; ); } while (0)
 
 #define HAVE_ARCH_BUG
 #endif
index 440dc62..598ca61 100644 (file)
@@ -13,8 +13,8 @@
 #include <asm/cacheflush.h>
 #include <asm/mach-types.h>
 
-const extern unsigned char relocate_new_kernel[];
-const extern unsigned int relocate_new_kernel_size;
+extern const unsigned char relocate_new_kernel[];
+extern const unsigned int relocate_new_kernel_size;
 
 extern void setup_mm_for_reboot(char mode);
 
index b1514fb..7de17fc 100644 (file)
@@ -121,20 +121,22 @@ int __init pxa_init_dma(int num_ch)
        if (dma_channels == NULL)
                return -ENOMEM;
 
-       ret = request_irq(IRQ_DMA, dma_irq_handler, IRQF_DISABLED, "DMA", NULL);
-       if (ret) {
-               printk (KERN_CRIT "Wow!  Can't register IRQ for DMA\n");
-               kfree(dma_channels);
-               return ret;
-       }
-
        /* dma channel priorities on pxa2xx processors:
         * ch 0 - 3,  16 - 19  <--> (0) DMA_PRIO_HIGH
         * ch 4 - 7,  20 - 23  <--> (1) DMA_PRIO_MEDIUM
         * ch 8 - 15, 24 - 31  <--> (2) DMA_PRIO_LOW
         */
-       for (i = 0; i < num_ch; i++)
+       for (i = 0; i < num_ch; i++) {
+               DCSR(i) = 0;
                dma_channels[i].prio = min((i & 0xf) >> 2, DMA_PRIO_LOW);
+       }
+
+       ret = request_irq(IRQ_DMA, dma_irq_handler, IRQF_DISABLED, "DMA", NULL);
+       if (ret) {
+               printk (KERN_CRIT "Wow!  Can't register IRQ for DMA\n");
+               kfree(dma_channels);
+               return ret;
+       }
 
        num_dma_channels = num_ch;
        return 0;
index e41b9d2..b8d14bd 100644 (file)
@@ -1,6 +1,8 @@
 #ifndef __ASM_ARCH_REGS_AC97_H
 #define __ASM_ARCH_REGS_AC97_H
 
+#include <mach/hardware.h>
+
 /*
  * AC97 Controller registers
  */
index 3c04cde..cf31986 100644 (file)
@@ -41,6 +41,9 @@
 #elif defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
 #define SSCR0_SCR      (0x000fff00)    /* Serial Clock Rate (mask) */
 #define SSCR0_SerClkDiv(x) (((x) - 1) << 8) /* Divisor [1..4096] */
+#endif
+
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
 #define SSCR0_EDSS     (1 << 20)       /* Extended data size select */
 #define SSCR0_NCS      (1 << 21)       /* Network clock select */
 #define SSCR0_RIM      (1 << 22)       /* Receive FIFO overrrun interrupt mask */
index f735e58..83fb609 100644 (file)
@@ -88,13 +88,13 @@ static struct pxa3xx_mfp_addr_map pxa310_mfp_addr_map[] __initdata = {
 static DEFINE_PXA3_CKEN(common_nand, NAND, 156000000, 0);
 
 static struct clk_lookup common_clkregs[] = {
-       INIT_CLKREG(&clk_common_nand, "pxa3xx-nand", "NANDCLK"),
+       INIT_CLKREG(&clk_common_nand, "pxa3xx-nand", NULL),
 };
 
 static DEFINE_PXA3_CKEN(pxa310_mmc3, MMC3, 19500000, 0);
 
 static struct clk_lookup pxa310_clkregs[] = {
-       INIT_CLKREG(&clk_pxa310_mmc3, "pxa2xx-mci.2", "MMCCLK"),
+       INIT_CLKREG(&clk_pxa310_mmc3, "pxa2xx-mci.2", NULL),
 };
 
 static int __init pxa300_init(void)
index effe408..36f0661 100644 (file)
@@ -83,7 +83,7 @@ static struct pxa3xx_mfp_addr_map pxa320_mfp_addr_map[] __initdata = {
 static DEFINE_PXA3_CKEN(pxa320_nand, NAND, 104000000, 0);
 
 static struct clk_lookup pxa320_clkregs[] = {
-       INIT_CLKREG(&clk_pxa320_nand, "pxa3xx-nand", "NANDCLK"),
+       INIT_CLKREG(&clk_pxa320_nand, "pxa3xx-nand", NULL),
 };
 
 static int __init pxa320_init(void)
index dc6522c..44840e7 100644 (file)
 #include <linux/vmalloc.h>
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/hardirq.h>
 
 #include <asm/pgalloc.h>
 #include <asm/io.h>
-#include <asm/hardirq.h>
 #include <asm/mmu_context.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
index c5a2140..d0223ab 100644 (file)
@@ -443,7 +443,7 @@ sn_acpi_slot_fixup(struct pci_dev *dev)
                size = pci_resource_len(dev, PCI_ROM_RESOURCE);
                addr = ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
                               size);
-               image_size = pci_get_rom_size(addr, size);
+               image_size = pci_get_rom_size(dev, addr, size);
                dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr;
                dev->resource[PCI_ROM_RESOURCE].end =
                                        (unsigned long) addr + image_size - 1;
index 4e1801b..e2eb2da 100644 (file)
@@ -269,7 +269,7 @@ sn_io_slot_fixup(struct pci_dev *dev)
 
                        rom = ioremap(pci_resource_start(dev, PCI_ROM_RESOURCE),
                                      size + 1);
-                       image_size = pci_get_rom_size(rom, size + 1);
+                       image_size = pci_get_rom_size(dev, rom, size + 1);
                        dev->resource[PCI_ROM_RESOURCE].end =
                                dev->resource[PCI_ROM_RESOURCE].start +
                                image_size - 1;
index 1a1f320..0884947 100644 (file)
@@ -51,6 +51,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock)
 
        return (((counters >> 14) - counters) & 0x1fff) > 1;
 }
+#define __raw_spin_is_contended        __raw_spin_is_contended
 
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
index 909a89c..3ebf7ec 100644 (file)
                        interrupts = <37 0x8 36 0x8 35 0x8>;
                        interrupt-parent = <&ipic>;
                        tbi-handle = < &tbi0 >;
-                       phy-handle = < &phy1 >;
+                       /* Vitesse 7385 isn't on the MDIO bus */
+                       fixed-link = <1 1 1000 0 0>;
                        fsl,magic-packet;
 
                        mdio@24520 {
                                #size-cells = <0>;
                                compatible = "fsl,gianfar-mdio";
                                reg = <0x24520 0x20>;
-                               phy1: ethernet-phy@1 {
-                                       interrupt-parent = <&ipic>;
-                                       interrupts = <19 0x8>;
-                                       reg = <0x1>;
-                                       device_type = "ethernet-phy";
-                               };
                                phy4: ethernet-phy@4 {
                                        interrupt-parent = <&ipic>;
                                        interrupts = <20 0x8>;
                };
 
                enet1: ethernet@25000 {
+                       #address-cells = <1>;
+                       #size-cells = <1>;
                        cell-index = <1>;
                        device_type = "network";
                        model = "eTSEC";
index 9e47ae9..409d017 100644 (file)
@@ -651,7 +651,7 @@ CONFIG_CICADA_PHY=y
 # CONFIG_NATIONAL_PHY is not set
 # CONFIG_STE10XP is not set
 # CONFIG_LSI_ET1011C_PHY is not set
-# CONFIG_FIXED_PHY is not set
+CONFIG_FIXED_PHY=y
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
index 5355244..60c60cc 100644 (file)
@@ -195,8 +195,9 @@ __ftrace_make_nop(struct module *mod,
                return -EINVAL;
        }
 
-       offset = (unsigned)((unsigned short)jmp[0]) << 16 |
-               (unsigned)((unsigned short)jmp[1]);
+       /* The bottom half is signed extended */
+       offset = ((unsigned)((unsigned short)jmp[0]) << 16) +
+               (int)((short)jmp[1]);
 
        DEBUGP(" %x ", offset);
 
index 19b12d2..0f41812 100644 (file)
@@ -561,8 +561,21 @@ int pci_mmap_legacy_page_range(struct pci_bus *bus,
                 (unsigned long long)(offset + size - 1));
 
        if (mmap_state == pci_mmap_mem) {
-               if ((offset + size) > hose->isa_mem_size)
-                       return -ENXIO;
+               /* Hack alert !
+                *
+                * Because X is lame and can fail starting if it gets an error trying
+                * to mmap legacy_mem (instead of just moving on without legacy memory
+                * access) we fake it here by giving it anonymous memory, effectively
+                * behaving just like /dev/zero
+                */
+               if ((offset + size) > hose->isa_mem_size) {
+                       printk(KERN_DEBUG
+                              "Process %s (pid:%d) mapped non-existing PCI legacy memory for 0%04x:%02x\n",
+                              current->comm, current->pid, pci_domain_nr(bus), bus->number);
+                       if (vma->vm_flags & VM_SHARED)
+                               return shmem_zero_setup(vma);
+                       return 0;
+               }
                offset += hose->isa_mem_phys;
        } else {
                unsigned long io_offset = (unsigned long)hose->io_base_virt - _IO_BASE;
index 4aae0c3..13b7d54 100644 (file)
@@ -172,6 +172,8 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
                        }
                        break;
                case 0x378:     /* orx */
+                       if (instr & 1)
+                               break;
                        rs = (instr >> 21) & 0x1f;
                        rb = (instr >> 11) & 0x1f;
                        if (rs == rb) {         /* mr */
index 1971e4e..ea6e41e 100644 (file)
@@ -73,7 +73,7 @@ extern unsigned int tlbcam_index;
 /*
  * Return PA for this VA if it is mapped by a CAM, or 0
  */
-unsigned long v_mapped_by_tlbcam(unsigned long va)
+phys_addr_t v_mapped_by_tlbcam(unsigned long va)
 {
        int b;
        for (b = 0; b < tlbcam_index; ++b)
@@ -85,7 +85,7 @@ unsigned long v_mapped_by_tlbcam(unsigned long va)
 /*
  * Return VA for a given PA or 0 if not mapped
  */
-unsigned long p_mapped_by_tlbcam(unsigned long pa)
+unsigned long p_mapped_by_tlbcam(phys_addr_t pa)
 {
        int b;
        for (b = 0; b < tlbcam_index; ++b)
index 67850ec..14af8ce 100644 (file)
@@ -320,7 +320,7 @@ _GLOBAL(create_hpte)
        and     r8,r8,r0                /* writable if _RW & _DIRTY */
        rlwimi  r5,r5,32-1,30,30        /* _PAGE_USER -> PP msb */
        rlwimi  r5,r5,32-2,31,31        /* _PAGE_USER -> PP lsb */
-       ori     r8,r8,0xe14             /* clear out reserved bits and M */
+       ori     r8,r8,0xe04             /* clear out reserved bits */
        andc    r8,r5,r8                /* PP = user? (rw&dirty? 2: 3): 0 */
 BEGIN_FTR_SECTION
        rlwinm  r8,r8,0,~_PAGE_COHERENT /* clear M (coherence not required) */
index 22972cd..58bcaeb 100644 (file)
@@ -61,8 +61,8 @@ void setbat(int index, unsigned long virt, phys_addr_t phys,
 
 #ifdef HAVE_TLBCAM
 extern unsigned int tlbcam_index;
-extern unsigned long v_mapped_by_tlbcam(unsigned long va);
-extern unsigned long p_mapped_by_tlbcam(unsigned long pa);
+extern phys_addr_t v_mapped_by_tlbcam(unsigned long va);
+extern unsigned long p_mapped_by_tlbcam(phys_addr_t pa);
 #else /* !HAVE_TLBCAM */
 #define v_mapped_by_tlbcam(x)  (0UL)
 #define p_mapped_by_tlbcam(x)  (0UL)
index 9305dda..b129d00 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/smp.h>
 #include <linux/slab.h>
 #include <asm/cell-pmu.h>
+#include <asm/time.h>
 #include "pr_util.h"
 
 #define SCALE_SHIFT 14
index 9876d7e..ddf0bdc 100644 (file)
@@ -186,7 +186,7 @@ out_unmap_regs:
        iounmap(priv->regs);
 out_free_bootmem:
        free_bootmem((unsigned long)priv,
-                    sizeof(sizeof(struct pq2ads_pci_pic)));
+                    sizeof(struct pq2ads_pci_pic));
        of_node_put(np);
 out_unmap_irq:
        irq_dispose_mapping(irq);
index a623ad2..9b21ee6 100644 (file)
@@ -14,6 +14,7 @@
 #include <asm/firmware.h>
 #include <asm/machdep.h>
 #include <asm/pSeries_reconfig.h>
+#include <asm/sparsemem.h>
 
 static int pseries_remove_lmb(unsigned long base, unsigned int lmb_size)
 {
index b16ca3e..78f1f7c 100644 (file)
@@ -165,7 +165,7 @@ static int cpm2_set_irq_type(unsigned int virq, unsigned int flow_type)
                        edibit = (14 - (src - CPM2_IRQ_EXT1));
        else
                if (src >= CPM2_IRQ_PORTC15 && src <= CPM2_IRQ_PORTC0)
-                       edibit = (31 - (src - CPM2_IRQ_PORTC15));
+                       edibit = (31 - (CPM2_IRQ_PORTC0 - src));
                else
                        return (flow_type & IRQ_TYPE_LEVEL_LOW) ? 0 : -EINVAL;
 
index 88a983e..9a89cd3 100644 (file)
@@ -890,7 +890,7 @@ unsigned int ipic_get_irq(void)
        return irq_linear_revmap(primary_ipic->irqhost, irq);
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_SUSPEND
 static struct {
        u32 sicfr;
        u32 siprr[2];
index a0e748d..31e809c 100644 (file)
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28-rc6
-# Thu Nov 27 11:00:49 2008
+# Linux kernel version: 2.6.29-rc4
+# Wed Feb 11 10:07:16 2009
 #
 CONFIG_SCHED_MC=y
 CONFIG_MMU=y
@@ -14,12 +14,14 @@ CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_BUG=y
 CONFIG_NO_IOMEM=y
 CONFIG_NO_DMA=y
 CONFIG_GENERIC_LOCKBREAK=y
 CONFIG_PGSTE=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
 CONFIG_S390=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
@@ -39,20 +41,29 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_TASKSTATS is not set
 CONFIG_AUDIT=y
 # CONFIG_AUDITSYSCALL is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=17
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
 CONFIG_CGROUPS=y
 # CONFIG_CGROUP_DEBUG is not set
 CONFIG_CGROUP_NS=y
 # CONFIG_CGROUP_FREEZER is not set
 # CONFIG_CGROUP_DEVICE is not set
 # CONFIG_CPUSETS is not set
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUP_CPUACCT is not set
 # CONFIG_RESOURCE_COUNTERS is not set
 CONFIG_SYSFS_DEPRECATED=y
@@ -63,6 +74,7 @@ CONFIG_UTS_NS=y
 CONFIG_IPC_NS=y
 # CONFIG_USER_NS is not set
 # CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -91,17 +103,17 @@ CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
 CONFIG_KPROBES=y
+CONFIG_HAVE_SYSCALL_WRAPPERS=y
 CONFIG_KRETPROBES=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_USE_GENERIC_SMP_HELPERS=y
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -109,7 +121,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 CONFIG_MODVERSIONS=y
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
+CONFIG_INIT_ALL_POSSIBLE=y
 CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
@@ -130,7 +142,6 @@ CONFIG_DEFAULT_DEADLINE=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="deadline"
 CONFIG_PREEMPT_NOTIFIERS=y
-CONFIG_CLASSIC_RCU=y
 # CONFIG_FREEZER is not set
 
 #
@@ -161,6 +172,7 @@ CONFIG_S390_EXEC_PROTECT=y
 CONFIG_MARCH_Z900=y
 # CONFIG_MARCH_Z990 is not set
 # CONFIG_MARCH_Z9_109 is not set
+# CONFIG_MARCH_Z10 is not set
 CONFIG_PACK_STACK=y
 # CONFIG_SMALL_STACK is not set
 CONFIG_CHECK_STACK=y
@@ -174,7 +186,6 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
 # CONFIG_PREEMPT_NONE is not set
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
-# CONFIG_PREEMPT_RCU is not set
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
@@ -195,7 +206,6 @@ CONFIG_MEMORY_HOTREMOVE=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_MIGRATION=y
-CONFIG_RESOURCES_64BIT=y
 CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
@@ -207,7 +217,6 @@ CONFIG_UNEVICTABLE_LRU=y
 #
 CONFIG_MACHCHK_WARNING=y
 CONFIG_QDIO=y
-# CONFIG_QDIO_DEBUG is not set
 CONFIG_CHSC_SCH=m
 
 #
@@ -227,15 +236,13 @@ CONFIG_PFAULT=y
 # CONFIG_SHARED_KERNEL is not set
 # CONFIG_CMM is not set
 # CONFIG_PAGE_STATES is not set
-CONFIG_VIRT_TIMER=y
-CONFIG_VIRT_CPU_ACCOUNTING=y
 # CONFIG_APPLDATA_BASE is not set
 CONFIG_HZ_100=y
 # CONFIG_HZ_250 is not set
 # CONFIG_HZ_300 is not set
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=100
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
 CONFIG_S390_HYPFS_FS=y
 CONFIG_KEXEC=y
 # CONFIG_ZFCPDUMP is not set
@@ -245,6 +252,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+CONFIG_COMPAT_NET_DEV_OPS=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -383,6 +391,7 @@ CONFIG_NET_SCH_TBF=m
 CONFIG_NET_SCH_GRED=m
 CONFIG_NET_SCH_DSMARK=m
 # CONFIG_NET_SCH_NETEM is not set
+# CONFIG_NET_SCH_DRR is not set
 # CONFIG_NET_SCH_INGRESS is not set
 
 #
@@ -400,6 +409,7 @@ CONFIG_CLS_U32_MARK=y
 CONFIG_NET_CLS_RSVP=m
 CONFIG_NET_CLS_RSVP6=m
 CONFIG_NET_CLS_FLOW=m
+# CONFIG_NET_CLS_CGROUP is not set
 # CONFIG_NET_EMATCH is not set
 CONFIG_NET_CLS_ACT=y
 CONFIG_NET_ACT_POLICE=y
@@ -411,6 +421,7 @@ CONFIG_NET_ACT_NAT=m
 # CONFIG_NET_ACT_SKBEDIT is not set
 # CONFIG_NET_CLS_IND is not set
 CONFIG_NET_SCH_FIFO=y
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -428,6 +439,7 @@ CONFIG_CAN_VCAN=m
 # CONFIG_CAN_DEBUG_DEVICES is not set
 # CONFIG_AF_RXRPC is not set
 # CONFIG_PHONET is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 # CONFIG_PCMCIA is not set
@@ -475,11 +487,15 @@ CONFIG_DASD_DIAG=y
 CONFIG_DASD_EER=y
 CONFIG_VIRTIO_BLK=m
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_C2PORT is not set
 
 #
+# EEPROM support
+#
+# CONFIG_EEPROM_93CX6 is not set
+
+#
 # SCSI device support
 #
 # CONFIG_RAID_ATTRS is not set
@@ -520,6 +536,7 @@ CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_SRP_ATTRS is not set
 CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
 # CONFIG_SCSI_DEBUG is not set
 CONFIG_ZFCP=y
 CONFIG_SCSI_DH=m
@@ -566,6 +583,10 @@ CONFIG_NET_ETHERNET=y
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
 # CONFIG_TR is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
 # CONFIG_WAN is not set
 
 #
@@ -593,9 +614,11 @@ CONFIG_VIRTIO_NET=m
 #
 CONFIG_DEVKMEM=y
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
 CONFIG_HVC_DRIVER=y
+CONFIG_HVC_IUCV=y
 CONFIG_VIRTIO_CONSOLE=y
 CONFIG_HW_RANDOM=m
 CONFIG_HW_RANDOM_VIRTIO=m
@@ -645,7 +668,6 @@ CONFIG_S390_VMUR=m
 # CONFIG_NEW_LEDS is not set
 CONFIG_ACCESSIBILITY=y
 # CONFIG_STAGING is not set
-CONFIG_STAGING_EXCLUDE_BUILD=y
 
 #
 # File systems
@@ -668,6 +690,7 @@ CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -703,10 +726,7 @@ CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_CONFIGFS_FS=m
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -715,6 +735,7 @@ CONFIG_CONFIGFS_FS=m
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -808,6 +829,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
@@ -818,15 +840,19 @@ CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FUNCTION_TRACER=y
 
 #
 # Tracers
 #
+# CONFIG_FUNCTION_TRACER is not set
 # CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
 # CONFIG_CONTEXT_SWITCH_TRACER is not set
 # CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
+# CONFIG_STACK_TRACER is not set
 # CONFIG_DYNAMIC_PRINTK_DEBUG is not set
 CONFIG_SAMPLES=y
 # CONFIG_SAMPLE_KOBJECT is not set
@@ -847,11 +873,17 @@ CONFIG_CRYPTO=y
 #
 CONFIG_CRYPTO_FIPS=y
 CONFIG_CRYPTO_ALGAPI=y
-CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_AEAD2=y
 CONFIG_CRYPTO_BLKCIPHER=y
-CONFIG_CRYPTO_HASH=y
-CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=m
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=y
 CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
 CONFIG_CRYPTO_GF128MUL=m
 # CONFIG_CRYPTO_NULL is not set
 # CONFIG_CRYPTO_CRYPTD is not set
@@ -885,7 +917,7 @@ CONFIG_CRYPTO_HMAC=m
 #
 # Digest
 #
-# CONFIG_CRYPTO_CRC32C is not set
+CONFIG_CRYPTO_CRC32C=m
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=m
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -942,6 +974,7 @@ CONFIG_S390_PRNG=m
 # Library routines
 #
 CONFIG_BITREVERSE=m
+CONFIG_GENERIC_FIND_LAST_BIT=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
index ffdef5f..f3720de 100644 (file)
@@ -384,8 +384,8 @@ struct _lowcore
         __u32        panic_magic;              /* 0xe00 */
 
        /* Per cpu primary space access list */
-       __u8         pad_0xe04[0xe3c-0xe04];   /* 0xe04 */
-       __u32        vdso_per_cpu_data;        /* 0xe3c */
+       __u8         pad_0xe04[0xe38-0xe04];   /* 0xe04 */
+       __u64        vdso_per_cpu_data;        /* 0xe38 */
        __u32        paste[16];                /* 0xe40 */
 
        __u8         pad13[0x11b8-0xe80];      /* 0xe80 */
index e7c5bfb..026a37a 100644 (file)
@@ -95,6 +95,7 @@ asmlinkage void do_softirq(void)
        local_irq_restore(flags);
 }
 
+#ifdef CONFIG_PROC_FS
 void init_irq_proc(void)
 {
        struct proc_dir_entry *root_irq_dir;
@@ -102,3 +103,4 @@ void init_irq_proc(void)
        root_irq_dir = proc_mkdir("irq", NULL);
        create_prof_cpu_mask(root_irq_dir);
 }
+#endif
index caf4c33..7c35787 100644 (file)
@@ -22,6 +22,7 @@
 #include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/spi_gpio.h>
+#include <media/ov772x.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
 #include <video/sh_mobile_lcdc.h>
@@ -216,7 +217,14 @@ static struct platform_device lcdc_device = {
        },
 };
 
+static void camera_power(int val)
+{
+       gpio_set_value(GPIO_PTZ5, val); /* RST_CAM/RSTB */
+       mdelay(10);
+}
+
 #ifdef CONFIG_I2C
+/* support for the old ncm03j camera */
 static unsigned char camera_ncm03j_magic[] =
 {
        0x87, 0x00, 0x88, 0x08, 0x89, 0x01, 0x8A, 0xE8,
@@ -237,6 +245,23 @@ static unsigned char camera_ncm03j_magic[] =
        0x63, 0xD4, 0x64, 0xEA, 0xD6, 0x0F,
 };
 
+static int camera_probe(void)
+{
+       struct i2c_adapter *a = i2c_get_adapter(0);
+       struct i2c_msg msg;
+       int ret;
+
+       camera_power(1);
+       msg.addr = 0x6e;
+       msg.buf = camera_ncm03j_magic;
+       msg.len = 2;
+       msg.flags = 0;
+       ret = i2c_transfer(a, &msg, 1);
+       camera_power(0);
+
+       return ret;
+}
+
 static int camera_set_capture(struct soc_camera_platform_info *info,
                              int enable)
 {
@@ -245,9 +270,11 @@ static int camera_set_capture(struct soc_camera_platform_info *info,
        int ret = 0;
        int i;
 
+       camera_power(0);
        if (!enable)
                return 0; /* no disable for now */
 
+       camera_power(1);
        for (i = 0; i < ARRAY_SIZE(camera_ncm03j_magic); i += 2) {
                u_int8_t buf[8];
 
@@ -286,8 +313,35 @@ static struct platform_device camera_device = {
                .platform_data  = &camera_info,
        },
 };
+
+static int __init camera_setup(void)
+{
+       if (camera_probe() > 0)
+               platform_device_register(&camera_device);
+
+       return 0;
+}
+late_initcall(camera_setup);
+
 #endif /* CONFIG_I2C */
 
+static int ov7725_power(struct device *dev, int mode)
+{
+       camera_power(0);
+       if (mode)
+               camera_power(1);
+
+       return 0;
+}
+
+static struct ov772x_camera_info ov7725_info = {
+       .buswidth  = SOCAM_DATAWIDTH_8,
+       .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP,
+       .link = {
+               .power  = ov7725_power,
+       },
+};
+
 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
        .flags = SOCAM_PCLK_SAMPLE_RISING | SOCAM_HSYNC_ACTIVE_HIGH |
        SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_MASTER | SOCAM_DATAWIDTH_8,
@@ -338,9 +392,6 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
        &ap325rxa_nor_flash_device,
        &lcdc_device,
        &ceu_device,
-#ifdef CONFIG_I2C
-       &camera_device,
-#endif
        &nand_flash_device,
        &sdcard_cn3_device,
 };
@@ -349,6 +400,10 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
        {
                I2C_BOARD_INFO("pcf8563", 0x51),
        },
+       {
+               I2C_BOARD_INFO("ov772x", 0x21),
+               .platform_data = &ov7725_info,
+       },
 };
 
 static struct spi_board_info ap325rxa_spi_devices[] = {
@@ -426,7 +481,7 @@ static int __init ap325rxa_devices_setup(void)
        gpio_request(GPIO_PTZ6, NULL);
        gpio_direction_output(GPIO_PTZ6, 0); /* STBY_CAM */
        gpio_request(GPIO_PTZ5, NULL);
-       gpio_direction_output(GPIO_PTZ5, 1); /* RST_CAM */
+       gpio_direction_output(GPIO_PTZ5, 0); /* RST_CAM */
        gpio_request(GPIO_PTZ4, NULL);
        gpio_direction_output(GPIO_PTZ4, 0); /* SADDR */
 
index 5c423fa..352f87d 100644 (file)
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28
-# Fri Jan  9 16:54:19 2009
+# Linux kernel version: 2.6.29-rc2
+# Tue Jan 27 11:45:08 2009
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -45,12 +45,12 @@ CONFIG_BSD_PROCESS_ACCT=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 CONFIG_GROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 # CONFIG_RT_GROUP_SCHED is not set
 CONFIG_USER_SCHED=y
 # CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
@@ -378,6 +378,7 @@ CONFIG_WIRELESS=y
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_LIB80211 is not set
 # CONFIG_MAC80211 is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -400,6 +401,7 @@ CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_AR7_PARTS is not set
@@ -447,9 +449,7 @@ CONFIG_MTD_CFI_UTIL=y
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_PHYSMAP_START=0xffffffff
-CONFIG_MTD_PHYSMAP_LEN=0
-CONFIG_MTD_PHYSMAP_BANKWIDTH=0
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -480,6 +480,12 @@ CONFIG_MTD_NAND_SH_FLCTL=y
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+# CONFIG_MTD_QINFO_PROBE is not set
+
+#
 # UBI - Unsorted block images
 #
 CONFIG_MTD_UBI=y
@@ -607,6 +613,10 @@ CONFIG_SMSC911X=y
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
 # CONFIG_IWLWIFI_LEDS is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -790,6 +800,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
 # CONFIG_REGULATOR is not set
 
 #
@@ -837,7 +848,7 @@ CONFIG_SOC_CAMERA=y
 # CONFIG_SOC_CAMERA_MT9V022 is not set
 # CONFIG_SOC_CAMERA_TW9910 is not set
 CONFIG_SOC_CAMERA_PLATFORM=y
-# CONFIG_SOC_CAMERA_OV772X is not set
+CONFIG_SOC_CAMERA_OV772X=y
 CONFIG_VIDEO_SH_MOBILE_CEU=y
 # CONFIG_RADIO_ADAPTERS is not set
 # CONFIG_DAB is not set
@@ -1012,6 +1023,7 @@ CONFIG_FS_POSIX_ACL=y
 CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1060,6 +1072,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_JFFS2_FS is not set
 # CONFIG_UBIFS_FS is not set
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
index 7758263..6785767 100644 (file)
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28
-# Fri Jan  9 17:09:35 2009
+# Linux kernel version: 2.6.29-rc1
+# Thu Jan 22 09:16:16 2009
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -45,8 +45,12 @@ CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+
+#
+# Control Group support
+#
+# CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
@@ -389,6 +393,7 @@ CONFIG_WIRELESS_EXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_LIB80211 is not set
 # CONFIG_MAC80211 is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -411,6 +416,7 @@ CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
 CONFIG_MTD_CONCAT=y
 CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_REDBOOT_PARTS is not set
 CONFIG_MTD_CMDLINE_PARTS=y
 # CONFIG_MTD_AR7_PARTS is not set
@@ -458,9 +464,7 @@ CONFIG_MTD_CFI_UTIL=y
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
 CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_PHYSMAP_START=0xffffffff
-CONFIG_MTD_PHYSMAP_LEN=0
-CONFIG_MTD_PHYSMAP_BANKWIDTH=0
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
 # CONFIG_MTD_PLATRAM is not set
 
 #
@@ -488,6 +492,12 @@ CONFIG_MTD_NAND_PLATFORM=y
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+# CONFIG_MTD_QINFO_PROBE is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -587,6 +597,10 @@ CONFIG_SMC91X=y
 # CONFIG_WLAN_PRE80211 is not set
 # CONFIG_WLAN_80211 is not set
 # CONFIG_IWLWIFI_LEDS is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -761,6 +775,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
 # CONFIG_REGULATOR is not set
 
 #
@@ -806,9 +821,9 @@ CONFIG_SOC_CAMERA=y
 # CONFIG_SOC_CAMERA_MT9M111 is not set
 # CONFIG_SOC_CAMERA_MT9T031 is not set
 # CONFIG_SOC_CAMERA_MT9V022 is not set
-# CONFIG_SOC_CAMERA_TW9910 is not set
-CONFIG_SOC_CAMERA_PLATFORM=y
-# CONFIG_SOC_CAMERA_OV772X is not set
+CONFIG_SOC_CAMERA_TW9910=y
+# CONFIG_SOC_CAMERA_PLATFORM is not set
+CONFIG_SOC_CAMERA_OV772X=y
 CONFIG_VIDEO_SH_MOBILE_CEU=y
 # CONFIG_RADIO_ADAPTERS is not set
 # CONFIG_DAB is not set
@@ -866,11 +881,13 @@ CONFIG_USB_GADGET_SELECTED=y
 # CONFIG_USB_GADGET_PXA25X is not set
 # CONFIG_USB_GADGET_PXA27X is not set
 # CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_IMX is not set
 CONFIG_USB_GADGET_M66592=y
 CONFIG_USB_M66592=y
 CONFIG_SUPERH_BUILT_IN_M66592=y
 # CONFIG_USB_GADGET_AMD5536UDC is not set
 # CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
 # CONFIG_USB_GADGET_NET2280 is not set
 # CONFIG_USB_GADGET_GOKU is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
@@ -883,6 +900,11 @@ CONFIG_USB_G_SERIAL=y
 # CONFIG_USB_MIDI_GADGET is not set
 # CONFIG_USB_G_PRINTER is not set
 # CONFIG_USB_CDC_COMPOSITE is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
@@ -961,6 +983,7 @@ CONFIG_UIO_PDRV_GENIRQ=y
 CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
 # CONFIG_QUOTA is not set
@@ -1004,6 +1027,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_EFS_FS is not set
 # CONFIG_JFFS2_FS is not set
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
index ee839ee..090358a 100644 (file)
 static inline void
 __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
-       int __ex_flag, __res;
+       int __done, __res;
 
        __asm__ __volatile__ (
                "movli.l        @%2, %0 \n"
                "add            #-1, %0 \n"
                "movco.l        %0, @%2 \n"
                "movt           %1      \n"
-               : "=&z" (__res), "=&r" (__ex_flag)
+               : "=&z" (__res), "=&r" (__done)
                : "r" (&(count)->counter)
                : "t");
 
-       __res |= !__ex_flag;
-       if (unlikely(__res != 0))
+       if (unlikely(!__done || __res != 0))
                fail_fn(count);
 }
 
 static inline int
 __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
-       int __ex_flag, __res;
+       int __done, __res;
 
        __asm__ __volatile__ (
                "movli.l        @%2, %0 \n"
                "add            #-1, %0 \n"
                "movco.l        %0, @%2 \n"
                "movt           %1      \n"
-               : "=&z" (__res), "=&r" (__ex_flag)
+               : "=&z" (__res), "=&r" (__done)
                : "r" (&(count)->counter)
                : "t");
 
-       __res |= !__ex_flag;
-       if (unlikely(__res != 0))
+       if (unlikely(!__done || __res != 0))
                __res = fail_fn(count);
 
        return __res;
@@ -61,19 +59,18 @@ __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 static inline void
 __mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
-       int __ex_flag, __res;
+       int __done, __res;
 
        __asm__ __volatile__ (
                "movli.l        @%2, %0 \n\t"
                "add            #1, %0  \n\t"
                "movco.l        %0, @%2 \n\t"
                "movt           %1      \n\t"
-               : "=&z" (__res), "=&r" (__ex_flag)
+               : "=&z" (__res), "=&r" (__done)
                : "r" (&(count)->counter)
                : "t");
 
-       __res |= !__ex_flag;
-       if (unlikely(__res <= 0))
+       if (unlikely(!__done || __res <= 0))
                fail_fn(count);
 }
 
index 05a868a..5bc3468 100644 (file)
@@ -21,23 +21,10 @@ static inline void syscall_rollback(struct task_struct *task,
         */
 }
 
-static inline bool syscall_has_error(struct pt_regs *regs)
-{
-       return (regs->sr & 0x1) ? true : false;
-}
-static inline void syscall_set_error(struct pt_regs *regs)
-{
-       regs->sr |= 0x1;
-}
-static inline void syscall_clear_error(struct pt_regs *regs)
-{
-       regs->sr &= ~0x1;
-}
-
 static inline long syscall_get_error(struct task_struct *task,
                                     struct pt_regs *regs)
 {
-       return syscall_has_error(regs) ? regs->regs[0] : 0;
+       return IS_ERR_VALUE(regs->regs[0]) ? regs->regs[0] : 0;
 }
 
 static inline long syscall_get_return_value(struct task_struct *task,
@@ -50,13 +37,10 @@ static inline void syscall_set_return_value(struct task_struct *task,
                                            struct pt_regs *regs,
                                            int error, long val)
 {
-       if (error) {
-               syscall_set_error(regs);
+       if (error)
                regs->regs[0] = -error;
-       } else {
-               syscall_clear_error(regs);
+       else
                regs->regs[0] = val;
-       }
 }
 
 static inline void syscall_get_arguments(struct task_struct *task,
index e1143b9..c3561ca 100644 (file)
@@ -21,23 +21,10 @@ static inline void syscall_rollback(struct task_struct *task,
         */
 }
 
-static inline bool syscall_has_error(struct pt_regs *regs)
-{
-       return (regs->sr & 0x1) ? true : false;
-}
-static inline void syscall_set_error(struct pt_regs *regs)
-{
-       regs->sr |= 0x1;
-}
-static inline void syscall_clear_error(struct pt_regs *regs)
-{
-       regs->sr &= ~0x1;
-}
-
 static inline long syscall_get_error(struct task_struct *task,
                                     struct pt_regs *regs)
 {
-       return syscall_has_error(regs) ? regs->regs[9] : 0;
+       return IS_ERR_VALUE(regs->regs[9]) ? regs->regs[9] : 0;
 }
 
 static inline long syscall_get_return_value(struct task_struct *task,
@@ -50,13 +37,10 @@ static inline void syscall_set_return_value(struct task_struct *task,
                                            struct pt_regs *regs,
                                            int error, long val)
 {
-       if (error) {
-               syscall_set_error(regs);
+       if (error)
                regs->regs[9] = -error;
-       } else {
-               syscall_clear_error(regs);
+       else
                regs->regs[9] = val;
-       }
 }
 
 static inline void syscall_get_arguments(struct task_struct *task,
index 2780917..e3ea541 100644 (file)
@@ -423,7 +423,7 @@ static int ieee_fpe_handler(struct pt_regs *regs)
                int m;
                unsigned int hx;
 
-               m = (finsn >> 9) & 0x7;
+               m = (finsn >> 8) & 0x7;
                hx = tsk->thread.fpu.hard.fp_regs[m];
 
                if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR)
index 5342475..370d2cf 100644 (file)
@@ -262,11 +262,11 @@ void __init setup_bootmem_allocator(unsigned long free_pfn)
                        BOOTMEM_DEFAULT);
 
        /*
-        * reserve physical page 0 - it's a special BIOS page on many boxes,
-        * enabling clean reboots, SMP operation, laptop functions.
+        * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
         */
-       reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
-                       BOOTMEM_DEFAULT);
+       if (CONFIG_ZERO_PAGE_OFFSET != 0)
+               reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
+                               BOOTMEM_DEFAULT);
 
        sparse_memory_present_with_active_regions(0);
 
index 77c21bd..17784e1 100644 (file)
@@ -510,7 +510,6 @@ handle_syscall_restart(unsigned long save_r0, struct pt_regs *regs,
                case -ERESTARTNOHAND:
                no_system_call_restart:
                        regs->regs[0] = -EINTR;
-                       regs->sr |= 1;
                        break;
 
                case -ERESTARTSYS:
@@ -589,8 +588,7 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
 
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
        if (signr > 0) {
-               if (regs->sr & 1)
-                       handle_syscall_restart(save_r0, regs, &ka.sa);
+               handle_syscall_restart(save_r0, regs, &ka.sa);
 
                /* Whee!  Actually deliver the signal.  */
                if (handle_signal(signr, &ka, &info, oldset,
index b22fdfa..0663a0e 100644 (file)
@@ -60,7 +60,6 @@ handle_syscall_restart(struct pt_regs *regs, struct sigaction *sa)
                case -ERESTARTNOHAND:
                no_system_call_restart:
                        regs->regs[REG_RET] = -EINTR;
-                       regs->sr |= 1;
                        break;
 
                case -ERESTARTSYS:
@@ -109,8 +108,7 @@ static int do_signal(struct pt_regs *regs, sigset_t *oldset)
 
        signr = get_signal_to_deliver(&info, &ka, regs, 0);
        if (signr > 0) {
-               if (regs->sr & 1)
-                       handle_syscall_restart(regs, &ka.sa);
+               handle_syscall_restart(regs, &ka.sa);
 
                /* Whee!  Actually deliver the signal.  */
                if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
index cbdd0d4..356c8ec 100644 (file)
@@ -36,8 +36,7 @@
  */
 
 /*     
- * unsigned int csum_partial(const unsigned char *buf, int len,
- *                           unsigned int sum);
+ * asmlinkage __wsum csum_partial(const void *buf, int len, __wsum sum);
  */
 
 .text
@@ -49,11 +48,31 @@ ENTRY(csum_partial)
           * Fortunately, it is easy to convert 2-byte alignment to 4-byte
           * alignment for the unrolled loop.
           */
-       mov     r5, r1
        mov     r4, r0
-       tst     #2, r0          ! Check alignment.
-       bt      2f              ! Jump if alignment is ok.
+       tst     #3, r0          ! Check alignment.
+       bt/s    2f              ! Jump if alignment is ok.
+        mov    r4, r7          ! Keep a copy to check for alignment
        !
+       tst     #1, r0          ! Check alignment.
+       bt      21f             ! Jump if alignment is boundary of 2bytes.
+
+       ! buf is odd
+       tst     r5, r5
+       add     #-1, r5
+       bt      9f
+       mov.b   @r4+, r0
+       extu.b  r0, r0
+       addc    r0, r6          ! t=0 from previous tst
+       mov     r6, r0
+       shll8   r6
+       shlr16  r0
+       shlr8   r0
+       or      r0, r6
+       mov     r4, r0
+       tst     #2, r0
+       bt      2f
+21:
+       ! buf is 2 byte aligned (len could be 0)
        add     #-2, r5         ! Alignment uses up two bytes.
        cmp/pz  r5              !
        bt/s    1f              ! Jump if we had at least two bytes.
@@ -61,16 +80,17 @@ ENTRY(csum_partial)
        bra     6f
         add    #2, r5          ! r5 was < 2.  Deal with it.
 1:
-       mov     r5, r1          ! Save new len for later use.
        mov.w   @r4+, r0
        extu.w  r0, r0
        addc    r0, r6
        bf      2f
        add     #1, r6
 2:
+       ! buf is 4 byte aligned (len could be 0)
+       mov     r5, r1
        mov     #-5, r0
-       shld    r0, r5
-       tst     r5, r5
+       shld    r0, r1
+       tst     r1, r1
        bt/s    4f              ! if it's =0, go to 4f
         clrt
        .align  2
@@ -92,30 +112,31 @@ ENTRY(csum_partial)
        addc    r0, r6
        addc    r2, r6
        movt    r0
-       dt      r5
+       dt      r1
        bf/s    3b
         cmp/eq #1, r0
-       ! here, we know r5==0
-       addc    r5, r6                  ! add carry to r6
+       ! here, we know r1==0
+       addc    r1, r6                  ! add carry to r6
 4:
-       mov     r1, r0
+       mov     r5, r0
        and     #0x1c, r0
        tst     r0, r0
-       bt/s    6f
-        mov    r0, r5
-       shlr2   r5
+       bt      6f
+       ! 4 bytes or more remaining
+       mov     r0, r1
+       shlr2   r1
        mov     #0, r2
 5:
        addc    r2, r6
        mov.l   @r4+, r2
        movt    r0
-       dt      r5
+       dt      r1
        bf/s    5b
         cmp/eq #1, r0
        addc    r2, r6
-       addc    r5, r6          ! r5==0 here, so it means add carry-bit
+       addc    r1, r6          ! r1==0 here, so it means add carry-bit
 6:
-       mov     r1, r5
+       ! 3 bytes or less remaining
        mov     #3, r0
        and     r0, r5
        tst     r5, r5
@@ -139,8 +160,18 @@ ENTRY(csum_partial)
 8:
        addc    r0, r6
        mov     #0, r0
-       addc    r0, r6 
+       addc    r0, r6
 9:
+       ! Check if the buffer was misaligned, if so realign sum
+       mov     r7, r0
+       tst     #1, r0
+       bt      10f
+       mov     r6, r0
+       shll8   r6
+       shlr16  r0
+       shlr8   r0
+       or      r0, r6
+10:
        rts
         mov    r6, r0
 
index 8ffee71..a46c3a2 100644 (file)
@@ -891,10 +891,35 @@ prom_tba: .xword  0
 tlb_type:      .word   0       /* Must NOT end up in BSS */
        .section        ".fixup",#alloc,#execinstr
 
-       .globl  __ret_efault, __retl_efault
-__ret_efault:
+       .globl  __ret_efault, __retl_efault, __ret_one, __retl_one
+ENTRY(__ret_efault)
        ret
         restore %g0, -EFAULT, %o0
-__retl_efault:
+ENDPROC(__ret_efault)
+
+ENTRY(__retl_efault)
        retl
         mov    -EFAULT, %o0
+ENDPROC(__retl_efault)
+
+ENTRY(__retl_one)
+       retl
+        mov    1, %o0
+ENDPROC(__retl_one)
+
+ENTRY(__ret_one_asi)
+       wr      %g0, ASI_AIUS, %asi
+       ret
+        restore %g0, 1, %o0
+ENDPROC(__ret_one_asi)
+
+ENTRY(__retl_one_asi)
+       wr      %g0, ASI_AIUS, %asi
+       retl
+        mov    1, %o0
+ENDPROC(__retl_one_asi)
+
+ENTRY(__retl_o1)
+       retl
+        mov    %o1, %o0
+ENDPROC(__retl_o1)
index 09f088e..f357722 100644 (file)
@@ -70,6 +70,7 @@ static void die_nmi(const char *str, struct pt_regs *regs, int do_panic)
        printk(" on CPU%d, ip %08lx, registers:\n",
               smp_processor_id(), regs->tpc);
        show_regs(regs);
+       dump_stack();
 
        bust_spinlocks(0);
 
index 92e0dda..1ae8cdd 100644 (file)
@@ -133,11 +133,16 @@ int __init pcr_arch_init(void)
 
        case cheetah:
        case cheetah_plus:
-       case spitfire:
                pcr_ops = &direct_pcr_ops;
                pcr_enable = PCR_SUN4U_ENABLE;
                break;
 
+       case spitfire:
+               /* UltraSPARC-I/II and derivatives lack a profile
+                * counter overflow interrupt so we can't make use of
+                * their hardware currently.
+                */
+               /* fallthrough */
        default:
                err = -ENODEV;
                goto out_unregister;
index 6a4f956..8e7a843 100644 (file)
@@ -6,13 +6,9 @@
 
 #define EX_ST(x,y)             \
 98:    x,y;                    \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    %o1, %o0;       \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_o1;   \
        .text;                  \
        .align 4;
 
index 2b9df99..b7d0bd6 100644 (file)
@@ -5,13 +5,9 @@
 
 #define EX_LD(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
@@ -27,7 +23,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop
 #endif
 
index bb3f708..780550e 100644 (file)
@@ -5,13 +5,9 @@
 
 #define EX_ST(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
@@ -31,7 +27,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop
 #endif
 
index c77ef5f..119ccb9 100644 (file)
@@ -5,14 +5,9 @@
 
 #define EX_LD(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    wr      %g0, ASI_AIUS, %asi;\
-       retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one_asi;\
        .text;                  \
        .align 4;
 
@@ -33,7 +28,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop
 #endif
 
index 4bd4093..7fe1cce 100644 (file)
@@ -5,14 +5,9 @@
 
 #define EX_ST(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    wr      %g0, ASI_AIUS, %asi;\
-       retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one_asi;\
        .text;                  \
        .align 4;
 
@@ -42,7 +37,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop
 #endif
 
index 814d5f7..beab29b 100644 (file)
@@ -6,13 +6,9 @@
 
 #define EX_ST(x,y)             \
 98:    x,y;                    \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    %o1, %o0;       \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_o1;   \
        .text;                  \
        .align 4;
 
index e7f433f..5d1e4d1 100644 (file)
@@ -5,14 +5,9 @@
 
 #define EX_LD(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    wr      %g0, ASI_AIUS, %asi;\
-       ret;                    \
-        restore %g0, 1, %o0;   \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __ret_one_asi;\
        .text;                  \
        .align 4;
 
@@ -30,7 +25,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop
 #endif
 
index 6ea01c5..ff630dc 100644 (file)
@@ -5,14 +5,9 @@
 
 #define EX_ST(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    wr      %g0, ASI_AIUS, %asi;\
-       ret;                    \
-        restore %g0, 1, %o0;   \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __ret_one_asi;\
        .text;                  \
        .align 4;
 
@@ -33,7 +28,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop
 #endif
 
index 3192b0b..a6ae2ea 100644 (file)
@@ -5,13 +5,9 @@
 
 #define EX_LD(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
@@ -27,7 +23,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop;                                           \
 
 #include "U1memcpy.S"
index d1210ff..f4b970e 100644 (file)
@@ -5,13 +5,9 @@
 
 #define EX_ST(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
@@ -27,7 +23,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop;                                           \
 
 #include "U1memcpy.S"
index f5bfc8d..b1acd13 100644 (file)
@@ -5,13 +5,9 @@
 
 #define EX_LD(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
index 2334f11..ef1e493 100644 (file)
@@ -5,13 +5,9 @@
 
 #define EX_ST(x)               \
 98:    x;                      \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    1, %o0;         \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
@@ -27,7 +23,7 @@
 #define PREAMBLE                                       \
        rd              %asi, %g1;                      \
        cmp             %g1, ASI_AIUS;                  \
-       bne,pn          %icc, memcpy_user_stub;         \
+       bne,pn          %icc, ___copy_in_user;          \
         nop;                                           \
 
 #include "U3memcpy.S"
index c7bbae8..b655729 100644 (file)
@@ -88,13 +88,9 @@ __bzero_done:
 
 #define EX_ST(x,y)             \
 98:    x,y;                    \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov    %o1, %o0;       \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_o1;   \
        .text;                  \
        .align 4;
 
index 650af3f..302c0e6 100644 (file)
@@ -3,19 +3,16 @@
  * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
  */
 
+#include <linux/linkage.h>
 #include <asm/asi.h>
 
 #define XCC xcc
 
 #define EX(x,y)                        \
 98:    x,y;                    \
-       .section .fixup;        \
-       .align 4;               \
-99:    retl;                   \
-        mov 1, %o0;            \
        .section __ex_table,"a";\
        .align 4;               \
-       .word 98b, 99b;         \
+       .word 98b, __retl_one;  \
        .text;                  \
        .align 4;
 
         * to copy register windows around during thread cloning.
         */
 
-       .globl          ___copy_in_user
-       .type           ___copy_in_user,#function
-___copy_in_user:       /* %o0=dst, %o1=src, %o2=len */
-       /* Writing to %asi is _expensive_ so we hardcode it.
-        * Reading %asi to check for KERNEL_DS is comparatively
-        * cheap.
-        */
-       rd              %asi, %g1
-       cmp             %g1, ASI_AIUS
-       bne,pn          %icc, memcpy_user_stub
-        nop
-
+ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */
        cmp             %o2, 0
        be,pn           %XCC, 85f
         or             %o0, %o1, %o3
@@ -53,22 +39,24 @@ ___copy_in_user:    /* %o0=dst, %o1=src, %o2=len */
        /* 16 < len <= 64 */
        andcc           %o3, 0x7, %g0
        bne,pn          %XCC, 90f
-        sub            %o0, %o1, %o3
+        nop
 
        andn            %o2, 0x7, %o4
        and             %o2, 0x7, %o2
 1:     subcc           %o4, 0x8, %o4
        EX(ldxa [%o1] %asi, %o5)
-       EX(stxa %o5, [%o1 + %o3] ASI_AIUS)
+       EX(stxa %o5, [%o0] %asi)
+       add             %o1, 0x8, %o1
        bgu,pt          %XCC, 1b
-        add            %o1, 0x8, %o1
+        add            %o0, 0x8, %o0
        andcc           %o2, 0x4, %g0
        be,pt           %XCC, 1f
         nop
        sub             %o2, 0x4, %o2
        EX(lduwa [%o1] %asi, %o5)
-       EX(stwa %o5, [%o1 + %o3] ASI_AIUS)
+       EX(stwa %o5, [%o0] %asi)
        add             %o1, 0x4, %o1
+       add             %o0, 0x4, %o0
 1:     cmp             %o2, 0
        be,pt           %XCC, 85f
         nop
@@ -78,14 +66,15 @@ ___copy_in_user:    /* %o0=dst, %o1=src, %o2=len */
 80:    /* 0 < len <= 16 */
        andcc           %o3, 0x3, %g0
        bne,pn          %XCC, 90f
-        sub            %o0, %o1, %o3
+        nop
 
 82:
        subcc           %o2, 4, %o2
        EX(lduwa [%o1] %asi, %g1)
-       EX(stwa %g1, [%o1 + %o3] ASI_AIUS)
+       EX(stwa %g1, [%o0] %asi)
+       add             %o1, 4, %o1
        bgu,pt          %XCC, 82b
-        add            %o1, 4, %o1
+        add            %o0, 4, %o0
 
 85:    retl
         clr            %o0
@@ -94,26 +83,10 @@ ___copy_in_user:    /* %o0=dst, %o1=src, %o2=len */
 90:
        subcc           %o2, 1, %o2
        EX(lduba [%o1] %asi, %g1)
-       EX(stba %g1, [%o1 + %o3] ASI_AIUS)
+       EX(stba %g1, [%o0] %asi)
+       add             %o1, 1, %o1
        bgu,pt          %XCC, 90b
-        add            %o1, 1, %o1
+        add            %o0, 1, %o0
        retl
         clr            %o0
-
-       .size           ___copy_in_user, .-___copy_in_user
-
-       /* Act like copy_{to,in}_user(), ie. return zero instead
-        * of original destination pointer.  This is invoked when
-        * copy_{to,in}_user() finds that %asi is kernel space.
-        */
-       .globl          memcpy_user_stub
-       .type           memcpy_user_stub,#function
-memcpy_user_stub:
-       save            %sp, -192, %sp
-       mov             %i0, %o0
-       mov             %i1, %o1
-       call            memcpy
-        mov            %i2, %o2
-       ret
-        restore        %g0, %g0, %o0
-       .size           memcpy_user_stub, .-memcpy_user_stub
+ENDPROC(___copy_in_user)
index 73f7fe8..9c39095 100644 (file)
@@ -1802,6 +1802,17 @@ config DMAR
          and include PCI device scope covered by these DMA
          remapping devices.
 
+config DMAR_DEFAULT_ON
+       def_bool n
+       prompt "Enable DMA Remapping Devices by default"
+       depends on DMAR
+       help
+         Selecting this option will enable a DMAR device at boot time if
+         one is found. If this option is not selected, DMAR support can
+         be enabled by passing intel_iommu=on to the kernel. It is
+         recommended you say N here while the DMAR code remains
+         experimental.
+
 config DMAR_GFX_WA
        def_bool y
        prompt "Support for Graphics workaround"
index 8078955..c98d52e 100644 (file)
@@ -167,9 +167,9 @@ config MK7
 config MK8
        bool "Opteron/Athlon64/Hammer/K8"
        help
-         Select this for an AMD Opteron or Athlon64 Hammer-family processor.  Enables
-         use of some extended instructions, and passes appropriate optimization
-         flags to GCC.
+         Select this for an AMD Opteron or Athlon64 Hammer-family processor.
+         Enables use of some extended instructions, and passes appropriate
+         optimization flags to GCC.
 
 config MCRUSOE
        bool "Crusoe"
@@ -256,9 +256,11 @@ config MPSC
 config MCORE2
        bool "Core 2/newer Xeon"
        help
-         Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and 53xx)
-         CPUs. You can distinguish newer from older Xeons by the CPU family
-         in /proc/cpuinfo. Newer ones have 6 and older ones 15 (not a typo)
+
+         Select this for Intel Core 2 and newer Core 2 Xeons (Xeon 51xx and
+         53xx) CPUs. You can distinguish newer from older Xeons by the CPU
+         family in /proc/cpuinfo. Newer ones have 6 and older ones 15
+         (not a typo)
 
 config GENERIC_CPU
        bool "Generic-x86-64"
@@ -320,14 +322,14 @@ config X86_PPRO_FENCE
        bool "PentiumPro memory ordering errata workaround"
        depends on M686 || M586MMX || M586TSC || M586 || M486 || M386 || MGEODEGX1
        help
-         Old PentiumPro multiprocessor systems had errata that could cause memory
-         operations to violate the x86 ordering standard in rare cases. Enabling this
-         option will attempt to work around some (but not all) occurances of
-         this problem, at the cost of much heavier spinlock and memory barrier
-         operations.
+         Old PentiumPro multiprocessor systems had errata that could cause
+         memory operations to violate the x86 ordering standard in rare cases.
+         Enabling this option will attempt to work around some (but not all)
+         occurances of this problem, at the cost of much heavier spinlock and
+         memory barrier operations.
 
-         If unsure, say n here. Even distro kernels should think twice before enabling
-         this: there are few systems, and an unlikely bug.
+         If unsure, say n here. Even distro kernels should think twice before
+         enabling this: there are few systems, and an unlikely bug.
 
 config X86_F00F_BUG
        def_bool y
index 256b00b..5a0d76d 100644 (file)
@@ -418,9 +418,9 @@ ENTRY(ia32_syscall)
        orl   $TS_COMPAT,TI_status(%r10)
        testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
        jnz ia32_tracesys
-ia32_do_syscall:       
        cmpl $(IA32_NR_syscalls-1),%eax
-       ja  int_ret_from_sys_call       /* ia32_tracesys has set RAX(%rsp) */
+       ja ia32_badsys
+ia32_do_call:
        IA32_ARG_FIXUP
        call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
 ia32_sysret:
@@ -435,7 +435,9 @@ ia32_tracesys:
        call syscall_trace_enter
        LOAD_ARGS32 ARGOFFSET  /* reload args from stack in case ptrace changed it */
        RESTORE_REST
-       jmp ia32_do_syscall
+       cmpl $(IA32_NR_syscalls-1),%eax
+       ja  int_ret_from_sys_call       /* ia32_tracesys has set RAX(%rsp) */
+       jmp ia32_do_call
 END(ia32_syscall)
 
 ia32_badsys:
index 3782220..3c601f8 100644 (file)
@@ -23,8 +23,6 @@
  */
 static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
 {
-       u16 gs;
-
 /* changed the size calculations - should hopefully work better. lbt */
        dump->magic = CMAGIC;
        dump->start_code = 0;
@@ -57,7 +55,7 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
        dump->regs.ds = (u16)regs->ds;
        dump->regs.es = (u16)regs->es;
        dump->regs.fs = (u16)regs->fs;
-       savesegment(gs, gs);
+       savesegment(gs, dump->regs.gs);
        dump->regs.orig_ax = regs->orig_ax;
        dump->regs.ip = regs->ip;
        dump->regs.cs = (u16)regs->cs;
index ea408dc..7301e60 100644 (file)
@@ -93,6 +93,7 @@
 #define X86_FEATURE_XTOPOLOGY  (3*32+22) /* cpu topology enum extensions */
 #define X86_FEATURE_TSC_RELIABLE (3*32+23) /* TSC is known to be reliable */
 #define X86_FEATURE_NONSTOP_TSC        (3*32+24) /* TSC does not stop in C states */
+#define X86_FEATURE_CLFLUSH_MONITOR (3*32+25) /* "" clflush reqd with monitor */
 
 /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
 #define X86_FEATURE_XMM3       (4*32+ 0) /* "pni" SSE-3 */
index 5a65b10..031f626 100644 (file)
@@ -1,31 +1,18 @@
 #ifndef _ASM_X86_MATH_EMU_H
 #define _ASM_X86_MATH_EMU_H
 
+#include <asm/ptrace.h>
+#include <asm/vm86.h>
+
 /* This structure matches the layout of the data saved to the stack
    following a device-not-present interrupt, part of it saved
    automatically by the 80386/80486.
    */
-struct info {
+struct math_emu_info {
        long ___orig_eip;
-       long ___ebx;
-       long ___ecx;
-       long ___edx;
-       long ___esi;
-       long ___edi;
-       long ___ebp;
-       long ___eax;
-       long ___ds;
-       long ___es;
-       long ___fs;
-       long ___orig_eax;
-       long ___eip;
-       long ___cs;
-       long ___eflags;
-       long ___esp;
-       long ___ss;
-       long ___vm86_es; /* This and the following only in vm86 mode */
-       long ___vm86_ds;
-       long ___vm86_fs;
-       long ___vm86_gs;
+       union {
+               struct pt_regs *regs;
+               struct kernel_vm86_regs *vm86;
+       };
 };
 #endif /* _ASM_X86_MATH_EMU_H */
index 62d14ce..bd22f2a 100644 (file)
@@ -60,6 +60,7 @@ extern void mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger,
                                   u32 gsi);
 extern void mp_config_acpi_legacy_irqs(void);
 extern int mp_register_gsi(u32 gsi, int edge_level, int active_high_low);
+extern int acpi_probe_gsi(void);
 #ifdef CONFIG_X86_IO_APIC
 extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
                                u32 gsi, int triggering, int polarity);
@@ -71,6 +72,11 @@ mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
        return 0;
 }
 #endif
+#else /* !CONFIG_ACPI: */
+static inline int acpi_probe_gsi(void)
+{
+       return 0;
+}
 #endif /* CONFIG_ACPI */
 
 #define PHYSID_ARRAY_SIZE      BITS_TO_LONGS(MAX_APICS)
index ba3e2ff..c09a141 100644 (file)
@@ -1402,6 +1402,7 @@ static inline int __raw_spin_is_contended(struct raw_spinlock *lock)
 {
        return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock);
 }
+#define __raw_spin_is_contended        __raw_spin_is_contended
 
 static __always_inline void __raw_spin_lock(struct raw_spinlock *lock)
 {
index 06bbcbd..4f5af84 100644 (file)
@@ -302,16 +302,30 @@ static inline pte_t pte_mkspecial(pte_t pte)
 
 extern pteval_t __supported_pte_mask;
 
+/*
+ * Mask out unsupported bits in a present pgprot.  Non-present pgprots
+ * can use those bits for other purposes, so leave them be.
+ */
+static inline pgprotval_t massage_pgprot(pgprot_t pgprot)
+{
+       pgprotval_t protval = pgprot_val(pgprot);
+
+       if (protval & _PAGE_PRESENT)
+               protval &= __supported_pte_mask;
+
+       return protval;
+}
+
 static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
 {
-       return __pte((((phys_addr_t)page_nr << PAGE_SHIFT) |
-                     pgprot_val(pgprot)) & __supported_pte_mask);
+       return __pte(((phys_addr_t)page_nr << PAGE_SHIFT) |
+                    massage_pgprot(pgprot));
 }
 
 static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
 {
-       return __pmd((((phys_addr_t)page_nr << PAGE_SHIFT) |
-                     pgprot_val(pgprot)) & __supported_pte_mask);
+       return __pmd(((phys_addr_t)page_nr << PAGE_SHIFT) |
+                    massage_pgprot(pgprot));
 }
 
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
@@ -323,7 +337,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
         * the newprot (if present):
         */
        val &= _PAGE_CHG_MASK;
-       val |= pgprot_val(newprot) & (~_PAGE_CHG_MASK) & __supported_pte_mask;
+       val |= massage_pgprot(newprot) & ~_PAGE_CHG_MASK;
 
        return __pte(val);
 }
@@ -339,7 +353,7 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
 
 #define pte_pgprot(x) __pgprot(pte_flags(x) & PTE_FLAGS_MASK)
 
-#define canon_pgprot(p) __pgprot(pgprot_val(p) & __supported_pte_mask)
+#define canon_pgprot(p) __pgprot(massage_pgprot(p))
 
 static inline int is_new_memtype_allowed(unsigned long flags,
                                                unsigned long new_flags)
index 091cd88..3bfd523 100644 (file)
@@ -353,7 +353,7 @@ struct i387_soft_struct {
        u8                      no_update;
        u8                      rm;
        u8                      alimit;
-       struct info             *info;
+       struct math_emu_info    *info;
        u32                     entry_eip;
 };
 
index d17c919..8247e94 100644 (file)
@@ -245,6 +245,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock)
 {
        return __ticket_spin_is_contended(lock);
 }
+#define __raw_spin_is_contended        __raw_spin_is_contended
 
 static __always_inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
index 2ee0a3b..cf3bb05 100644 (file)
@@ -41,7 +41,7 @@ dotraplinkage void do_int3(struct pt_regs *, long);
 dotraplinkage void do_overflow(struct pt_regs *, long);
 dotraplinkage void do_bounds(struct pt_regs *, long);
 dotraplinkage void do_invalid_op(struct pt_regs *, long);
-dotraplinkage void do_device_not_available(struct pt_regs *, long);
+dotraplinkage void do_device_not_available(struct pt_regs);
 dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *, long);
 dotraplinkage void do_invalid_TSS(struct pt_regs *, long);
 dotraplinkage void do_segment_not_present(struct pt_regs *, long);
@@ -77,7 +77,7 @@ extern int panic_on_unrecovered_nmi;
 extern int kstack_depth_to_print;
 
 void math_error(void __user *);
-asmlinkage void math_emulate(long);
+void math_emulate(struct math_emu_info *);
 #ifdef CONFIG_X86_32
 unsigned long patch_espfix_desc(unsigned long, unsigned long);
 #else
index 7ef617e..4bd990e 100644 (file)
@@ -137,7 +137,7 @@ static inline pte_t mfn_pte(unsigned long page_nr, pgprot_t pgprot)
        pte_t pte;
 
        pte.pte = ((phys_addr_t)page_nr << PAGE_SHIFT) |
-               (pgprot_val(pgprot) & __supported_pte_mask);
+                       massage_pgprot(pgprot);
 
        return pte;
 }
index d37593c..7678f10 100644 (file)
@@ -973,6 +973,29 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
        nr_ioapics++;
 }
 
+int __init acpi_probe_gsi(void)
+{
+       int idx;
+       int gsi;
+       int max_gsi = 0;
+
+       if (acpi_disabled)
+               return 0;
+
+       if (!acpi_ioapic)
+               return 0;
+
+       max_gsi = 0;
+       for (idx = 0; idx < nr_ioapics; idx++) {
+               gsi = mp_ioapic_routing[idx].gsi_end;
+
+               if (gsi > max_gsi)
+                       max_gsi = gsi;
+       }
+
+       return max_gsi + 1;
+}
+
 static void assign_to_mp_irq(struct mp_config_intsrc *m,
                                    struct mp_config_intsrc *mp_irq)
 {
index 707c1f6..a60c1f3 100644 (file)
@@ -156,11 +156,11 @@ static int __init acpi_sleep_setup(char *str)
 #ifdef CONFIG_HIBERNATION
                if (strncmp(str, "s4_nohwsig", 10) == 0)
                        acpi_no_s4_hw_signature();
+               if (strncmp(str, "s4_nonvs", 8) == 0)
+                       acpi_s4_no_nvs();
 #endif
                if (strncmp(str, "old_ordering", 12) == 0)
                        acpi_old_suspend_ordering();
-               if (strncmp(str, "s4_nonvs", 8) == 0)
-                       acpi_s4_no_nvs();
                str = strchr(str, ',');
                if (str != NULL)
                        str += strspn(str, ", \t");
index 4b6df24..115449f 100644 (file)
@@ -1436,7 +1436,7 @@ static int __init detect_init_APIC(void)
        switch (boot_cpu_data.x86_vendor) {
        case X86_VENDOR_AMD:
                if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) ||
-                   (boot_cpu_data.x86 == 15))
+                   (boot_cpu_data.x86 >= 15))
                        break;
                goto no_apic;
        case X86_VENDOR_INTEL:
index efae3b2..65792c2 100644 (file)
@@ -245,17 +245,6 @@ config X86_E_POWERSAVER
 
 comment "shared options"
 
-config X86_ACPI_CPUFREQ_PROC_INTF
-       bool "/proc/acpi/processor/../performance interface (deprecated)"
-       depends on PROC_FS
-       depends on X86_ACPI_CPUFREQ || X86_POWERNOW_K7_ACPI || X86_POWERNOW_K8_ACPI
-       help
-         This enables the deprecated /proc/acpi/processor/../performance
-         interface. While it is helpful for debugging, the generic,
-         cross-architecture cpufreq interfaces should be used.
-
-         If in doubt, say N.
-
 config X86_SPEEDSTEP_LIB
        tristate
        default (X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD)
index 5c28b37..fb039cd 100644 (file)
@@ -939,10 +939,25 @@ static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data)
        free_cpumask_var(data->acpi_data.shared_cpu_map);
 }
 
+static int get_transition_latency(struct powernow_k8_data *data)
+{
+       int max_latency = 0;
+       int i;
+       for (i = 0; i < data->acpi_data.state_count; i++) {
+               int cur_latency = data->acpi_data.states[i].transition_latency
+                       + data->acpi_data.states[i].bus_master_latency;
+               if (cur_latency > max_latency)
+                       max_latency = cur_latency;
+       }
+       /* value in usecs, needs to be in nanoseconds */
+       return 1000 * max_latency;
+}
+
 #else
 static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) { return -ENODEV; }
 static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data) { return; }
 static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index) { return; }
+static int get_transition_latency(struct powernow_k8_data *data) { return 0; }
 #endif /* CONFIG_X86_POWERNOW_K8_ACPI */
 
 /* Take a frequency, and issue the fid/vid transition command */
@@ -1173,7 +1188,13 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
                if (rc) {
                        goto err_out;
                }
-       }
+               /* Take a crude guess here.
+                * That guess was in microseconds, so multiply with 1000 */
+               pol->cpuinfo.transition_latency = (
+                        ((data->rvo + 8) * data->vstable * VST_UNITS_20US) +
+                        ((1 << data->irt) * 30)) * 1000;
+       } else /* ACPI _PSS objects available */
+               pol->cpuinfo.transition_latency = get_transition_latency(data);
 
        /* only run on specific CPU from here on */
        oldmask = current->cpus_allowed;
@@ -1204,11 +1225,6 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
                cpumask_copy(pol->cpus, &per_cpu(cpu_core_map, pol->cpu));
        data->available_cores = pol->cpus;
 
-       /* Take a crude guess here.
-        * That guess was in microseconds, so multiply with 1000 */
-       pol->cpuinfo.transition_latency = (((data->rvo + 8) * data->vstable * VST_UNITS_20US)
-           + (3 * (1 << data->irt) * 10)) * 1000;
-
        if (cpu_family == CPU_HW_PSTATE)
                pol->cur = find_khz_freq_from_pstate(data->powernow_table, data->currpstate);
        else
index 430e5c3..24ff26a 100644 (file)
@@ -291,6 +291,9 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
                ds_init_intel(c);
        }
 
+       if (c->x86 == 6 && c->x86_model == 29 && cpu_has_clflush)
+               set_cpu_cap(c, X86_FEATURE_CLFLUSH_MONITOR);
+
 #ifdef CONFIG_X86_64
        if (c->x86 == 15)
                c->x86_cache_alignment = c->x86_clflush_size * 2;
index 48533d7..da299eb 100644 (file)
@@ -36,8 +36,11 @@ static struct _cache_table cache_table[] __cpuinitdata =
 {
        { 0x06, LVL_1_INST, 8 },        /* 4-way set assoc, 32 byte line size */
        { 0x08, LVL_1_INST, 16 },       /* 4-way set assoc, 32 byte line size */
+       { 0x09, LVL_1_INST, 32 },       /* 4-way set assoc, 64 byte line size */
        { 0x0a, LVL_1_DATA, 8 },        /* 2 way set assoc, 32 byte line size */
        { 0x0c, LVL_1_DATA, 16 },       /* 4-way set assoc, 32 byte line size */
+       { 0x0d, LVL_1_DATA, 16 },       /* 4-way set assoc, 64 byte line size */
+       { 0x21, LVL_2,      256 },      /* 8-way set assoc, 64 byte line size */
        { 0x22, LVL_3,      512 },      /* 4-way set assoc, sectored cache, 64 byte line size */
        { 0x23, LVL_3,      1024 },     /* 8-way set assoc, sectored cache, 64 byte line size */
        { 0x25, LVL_3,      2048 },     /* 8-way set assoc, sectored cache, 64 byte line size */
@@ -85,6 +88,18 @@ static struct _cache_table cache_table[] __cpuinitdata =
        { 0x85, LVL_2,    2048 },       /* 8-way set assoc, 32 byte line size */
        { 0x86, LVL_2,     512 },       /* 4-way set assoc, 64 byte line size */
        { 0x87, LVL_2,    1024 },       /* 8-way set assoc, 64 byte line size */
+       { 0xd0, LVL_3,     512 },       /* 4-way set assoc, 64 byte line size */
+       { 0xd1, LVL_3,    1024 },       /* 4-way set assoc, 64 byte line size */
+       { 0xd2, LVL_3,    2048 },       /* 4-way set assoc, 64 byte line size */
+       { 0xd6, LVL_3,    1024 },       /* 8-way set assoc, 64 byte line size */
+       { 0xd7, LVL_3,    2038 },       /* 8-way set assoc, 64 byte line size */
+       { 0xd8, LVL_3,    4096 },       /* 12-way set assoc, 64 byte line size */
+       { 0xdc, LVL_3,    2048 },       /* 12-way set assoc, 64 byte line size */
+       { 0xdd, LVL_3,    4096 },       /* 12-way set assoc, 64 byte line size */
+       { 0xde, LVL_3,    8192 },       /* 12-way set assoc, 64 byte line size */
+       { 0xe2, LVL_3,    2048 },       /* 16-way set assoc, 64 byte line size */
+       { 0xe3, LVL_3,    4096 },       /* 16-way set assoc, 64 byte line size */
+       { 0xe4, LVL_3,    8192 },       /* 16-way set assoc, 64 byte line size */
        { 0x00, 0, 0}
 };
 
index e28c7a9..a134621 100644 (file)
@@ -346,6 +346,7 @@ ENTRY(save_args)
        popq_cfi %rax                   /* move return address... */
        mov %gs:pda_irqstackptr,%rsp
        EMPTY_FRAME 0
+       pushq_cfi %rbp                  /* backlink for unwinder */
        pushq_cfi %rax                  /* ... to the new stack */
        /*
         * We entered an interrupt context - irqs are off:
index 1b43086..231bdd3 100644 (file)
@@ -488,20 +488,21 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
         * ignore such a protection.
         */
        asm volatile(
-               "1: " _ASM_MOV " (%[parent_old]), %[old]\n"
-               "2: " _ASM_MOV " %[return_hooker], (%[parent_replaced])\n"
+               "1: " _ASM_MOV " (%[parent]), %[old]\n"
+               "2: " _ASM_MOV " %[return_hooker], (%[parent])\n"
                "   movl $0, %[faulted]\n"
+               "3:\n"
 
                ".section .fixup, \"ax\"\n"
-               "3: movl $1, %[faulted]\n"
+               "4: movl $1, %[faulted]\n"
+               "   jmp 3b\n"
                ".previous\n"
 
-               _ASM_EXTABLE(1b, 3b)
-               _ASM_EXTABLE(2b, 3b)
+               _ASM_EXTABLE(1b, 4b)
+               _ASM_EXTABLE(2b, 4b)
 
-               : [parent_replaced] "=r" (parent), [old] "=r" (old),
-                 [faulted] "=r" (faulted)
-               : [parent_old] "0" (parent), [return_hooker] "r" (return_hooker)
+               : [old] "=r" (old), [faulted] "=r" (faulted)
+               : [parent] "r" (parent), [return_hooker] "r" (return_hooker)
                : "memory"
        );
 
index 64d5ad0..388254f 100644 (file)
@@ -897,7 +897,7 @@ static unsigned long hpet_rtc_flags;
 static int hpet_prev_update_sec;
 static struct rtc_time hpet_alarm_time;
 static unsigned long hpet_pie_count;
-static unsigned long hpet_t1_cmp;
+static u32 hpet_t1_cmp;
 static unsigned long hpet_default_delta;
 static unsigned long hpet_pie_delta;
 static unsigned long hpet_pie_limit;
@@ -905,6 +905,14 @@ static unsigned long hpet_pie_limit;
 static rtc_irq_handler irq_handler;
 
 /*
+ * Check that the hpet counter c1 is ahead of the c2
+ */
+static inline int hpet_cnt_ahead(u32 c1, u32 c2)
+{
+       return (s32)(c2 - c1) < 0;
+}
+
+/*
  * Registers a IRQ handler.
  */
 int hpet_register_irq_handler(rtc_irq_handler handler)
@@ -1075,7 +1083,7 @@ static void hpet_rtc_timer_reinit(void)
                hpet_t1_cmp += delta;
                hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
                lost_ints++;
-       } while ((long)(hpet_readl(HPET_COUNTER) - hpet_t1_cmp) > 0);
+       } while (!hpet_cnt_ahead(hpet_t1_cmp, hpet_readl(HPET_COUNTER)));
 
        if (lost_ints) {
                if (hpet_rtc_flags & RTC_PIE)
index dbd6c1d..b42ca69 100644 (file)
@@ -28,10 +28,10 @@ static int i8237A_resume(struct sys_device *dev)
 
        flags = claim_dma_lock();
 
-       dma_outb(DMA1_RESET_REG, 0);
-       dma_outb(DMA2_RESET_REG, 0);
+       dma_outb(0, DMA1_RESET_REG);
+       dma_outb(0, DMA2_RESET_REG);
 
-       for (i = 0;i < 8;i++) {
+       for (i = 0; i < 8; i++) {
                set_dma_addr(i, 0x000000);
                /* DMA count is a bit weird so this is not 0 */
                set_dma_count(i, 1);
@@ -51,14 +51,14 @@ static int i8237A_suspend(struct sys_device *dev, pm_message_t state)
 }
 
 static struct sysdev_class i8237_sysdev_class = {
-       .name = "i8237",
-       .suspend = i8237A_suspend,
-       .resume = i8237A_resume,
+       .name           = "i8237",
+       .suspend        = i8237A_suspend,
+       .resume         = i8237A_resume,
 };
 
 static struct sys_device device_i8237A = {
-       .id     = 0,
-       .cls    = &i8237_sysdev_class,
+       .id             = 0,
+       .cls            = &i8237_sysdev_class,
 };
 
 static int __init i8237A_init_sysfs(void)
@@ -68,5 +68,4 @@ static int __init i8237A_init_sysfs(void)
                error = sysdev_register(&device_i8237A);
        return error;
 }
-
 device_initcall(i8237A_init_sysfs);
index 1c4a130..bc7ac4d 100644 (file)
@@ -2528,14 +2528,15 @@ static void irq_complete_move(struct irq_desc **descp)
 
        vector = ~get_irq_regs()->orig_ax;
        me = smp_processor_id();
+
+       if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain)) {
 #ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC
                *descp = desc = move_irq_desc(desc, me);
                /* get the new one */
                cfg = desc->chip_data;
 #endif
-
-       if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
                send_cleanup_vector(cfg);
+       }
 }
 #else
 static inline void irq_complete_move(struct irq_desc **descp) {}
@@ -3840,14 +3841,24 @@ int __init io_apic_get_redir_entries (int ioapic)
 
 void __init probe_nr_irqs_gsi(void)
 {
-       int idx;
        int nr = 0;
 
-       for (idx = 0; idx < nr_ioapics; idx++)
-               nr += io_apic_get_redir_entries(idx) + 1;
-
-       if (nr > nr_irqs_gsi)
+       nr = acpi_probe_gsi();
+       if (nr > nr_irqs_gsi) {
                nr_irqs_gsi = nr;
+       } else {
+               /* for acpi=off or acpi is not compiled in */
+               int idx;
+
+               nr = 0;
+               for (idx = 0; idx < nr_ioapics; idx++)
+                       nr += io_apic_get_redir_entries(idx) + 1;
+
+               if (nr > nr_irqs_gsi)
+                       nr_irqs_gsi = nr;
+       }
+
+       printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi);
 }
 
 /* --------------------------------------------------------------------------
index 1507ad4..10a09c2 100644 (file)
@@ -78,15 +78,6 @@ void __init init_ISA_irqs(void)
        }
 }
 
-/*
- * IRQ2 is cascade interrupt to second interrupt controller
- */
-static struct irqaction irq2 = {
-       .handler = no_action,
-       .mask = CPU_MASK_NONE,
-       .name = "cascade",
-};
-
 DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
        [0 ... IRQ0_VECTOR - 1] = -1,
        [IRQ0_VECTOR] = 0,
@@ -178,9 +169,6 @@ void __init native_init_IRQ(void)
        alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
 #endif
 
-       if (!acpi_ioapic)
-               setup_irq(2, &irq2);
-
        /* setup after call gates are initialised (usually add in
         * the architecture specific gates)
         */
index e68bb9e..6d12f7e 100644 (file)
@@ -180,6 +180,9 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
 
        trace_power_start(&it, POWER_CSTATE, (ax>>4)+1);
        if (!need_resched()) {
+               if (cpu_has(&current_cpu_data, X86_FEATURE_CLFLUSH_MONITOR))
+                       clflush((void *)&current_thread_info()->flags);
+
                __monitor((void *)&current_thread_info()->flags, 0, 0);
                smp_mb();
                if (!need_resched())
@@ -194,6 +197,9 @@ static void mwait_idle(void)
        struct power_trace it;
        if (!need_resched()) {
                trace_power_start(&it, POWER_CSTATE, 1);
+               if (cpu_has(&current_cpu_data, X86_FEATURE_CLFLUSH_MONITOR))
+                       clflush((void *)&current_thread_info()->flags);
+
                __monitor((void *)&current_thread_info()->flags, 0, 0);
                smp_mb();
                if (!need_resched())
index 416fb92..85b4cb5 100644 (file)
@@ -40,6 +40,7 @@
 #include <linux/uaccess.h>
 #include <linux/io.h>
 #include <linux/ftrace.h>
+#include <linux/dmi.h>
 
 #include <asm/pgtable.h>
 #include <asm/system.h>
@@ -151,14 +152,18 @@ void __show_regs(struct pt_regs *regs, int all)
        unsigned long d0, d1, d2, d3, d6, d7;
        unsigned int fsindex, gsindex;
        unsigned int ds, cs, es;
+       const char *board;
 
        printk("\n");
        print_modules();
-       printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s\n",
+       board = dmi_get_system_info(DMI_PRODUCT_NAME);
+       if (!board)
+               board = "";
+       printk(KERN_INFO "Pid: %d, comm: %.20s %s %s %.*s %s\n",
                current->pid, current->comm, print_tainted(),
                init_utsname()->release,
                (int)strcspn(init_utsname()->version, " "),
-               init_utsname()->version);
+               init_utsname()->version, board);
        printk(KERN_INFO "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
        printk_address(regs->ip, 1);
        printk(KERN_INFO "RSP: %04lx:%016lx  EFLAGS: %08lx\n", regs->ss,
index ae0d804..c461f6d 100644 (file)
@@ -607,7 +607,7 @@ struct x86_quirks *x86_quirks __initdata = &default_x86_quirks;
 static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
 {
        printk(KERN_NOTICE
-               "%s detected: BIOS may corrupt low RAM, working it around.\n",
+               "%s detected: BIOS may corrupt low RAM, working around it.\n",
                d->ident);
 
        e820_update_range(0, 0x10000, E820_RAM, E820_RESERVED);
index 98c2d05..7932338 100644 (file)
@@ -896,7 +896,7 @@ asmlinkage void math_state_restore(void)
 EXPORT_SYMBOL_GPL(math_state_restore);
 
 #ifndef CONFIG_MATH_EMULATION
-asmlinkage void math_emulate(long arg)
+void math_emulate(struct math_emu_info *info)
 {
        printk(KERN_EMERG
                "math-emulation not enabled and no coprocessor found.\n");
@@ -906,16 +906,19 @@ asmlinkage void math_emulate(long arg)
 }
 #endif /* CONFIG_MATH_EMULATION */
 
-dotraplinkage void __kprobes
-do_device_not_available(struct pt_regs *regs, long error)
+dotraplinkage void __kprobes do_device_not_available(struct pt_regs regs)
 {
 #ifdef CONFIG_X86_32
        if (read_cr0() & X86_CR0_EM) {
-               conditional_sti(regs);
-               math_emulate(0);
+               struct math_emu_info info = { };
+
+               conditional_sti(&regs);
+
+               info.regs = &regs;
+               math_emulate(&info);
        } else {
                math_state_restore(); /* interrupts still off */
-               conditional_sti(regs);
+               conditional_sti(&regs);
        }
 #else
        math_state_restore();
index 1d3302c..bef58b4 100644 (file)
@@ -321,6 +321,16 @@ static void vmi_release_pmd(unsigned long pfn)
 }
 
 /*
+ * We use the pgd_free hook for releasing the pgd page:
+ */
+static void vmi_pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+       unsigned long pfn = __pa(pgd) >> PAGE_SHIFT;
+
+       vmi_ops.release_page(pfn, VMI_PAGE_L2);
+}
+
+/*
  * Helper macros for MMU update flags.  We can defer updates until a flush
  * or page invalidation only if the update is to the current address space
  * (otherwise, there is no flush).  We must check against init_mm, since
@@ -762,6 +772,7 @@ static inline int __init activate_vmi(void)
        if (vmi_ops.release_page) {
                pv_mmu_ops.release_pte = vmi_release_pte;
                pv_mmu_ops.release_pmd = vmi_release_pmd;
+               pv_mmu_ops.pgd_free = vmi_pgd_free;
        }
 
        /* Set linear is needed in all cases */
index df167f2..a265a7c 100644 (file)
@@ -38,6 +38,15 @@ void __init pre_intr_init_hook(void)
        init_ISA_irqs();
 }
 
+/*
+ * IRQ2 is cascade interrupt to second interrupt controller
+ */
+static struct irqaction irq2 = {
+       .handler = no_action,
+       .mask = CPU_MASK_NONE,
+       .name = "cascade",
+};
+
 /**
  * intr_init_hook - post gate setup interrupt initialisation
  *
@@ -53,6 +62,9 @@ void __init intr_init_hook(void)
                if (x86_quirks->arch_intr_init())
                        return;
        }
+       if (!acpi_ioapic)
+               setup_irq(2, &irq2);
+
 }
 
 /**
index a580b95..d914a79 100644 (file)
@@ -33,13 +33,23 @@ void __init intr_init_hook(void)
        setup_irq(2, &irq2);
 }
 
-void __init pre_setup_arch_hook(void)
+static void voyager_disable_tsc(void)
 {
        /* Voyagers run their CPUs from independent clocks, so disable
         * the TSC code because we can't sync them */
        setup_clear_cpu_cap(X86_FEATURE_TSC);
 }
 
+void __init pre_setup_arch_hook(void)
+{
+       voyager_disable_tsc();
+}
+
+void __init pre_time_init_hook(void)
+{
+       voyager_disable_tsc();
+}
+
 void __init trap_init_hook(void)
 {
 }
index 9840b7e..7ffcdee 100644 (file)
@@ -81,7 +81,7 @@ static void enable_local_vic_irq(unsigned int irq);
 static void disable_local_vic_irq(unsigned int irq);
 static void before_handle_vic_irq(unsigned int irq);
 static void after_handle_vic_irq(unsigned int irq);
-static void set_vic_irq_affinity(unsigned int irq, cpumask_t mask);
+static void set_vic_irq_affinity(unsigned int irq, const struct cpumask *mask);
 static void ack_vic_irq(unsigned int irq);
 static void vic_enable_cpi(void);
 static void do_boot_cpu(__u8 cpuid);
@@ -211,8 +211,6 @@ static __u32 cpu_booted_map;
 static cpumask_t smp_commenced_mask = CPU_MASK_NONE;
 
 /* This is for the new dynamic CPU boot code */
-cpumask_t cpu_callin_map = CPU_MASK_NONE;
-cpumask_t cpu_callout_map = CPU_MASK_NONE;
 
 /* The per processor IRQ masks (these are usually kept in sync) */
 static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned;
@@ -378,7 +376,7 @@ void __init find_smp_config(void)
        cpus_addr(phys_cpu_present_map)[0] |=
            voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK +
                                       3) << 24;
-       cpu_possible_map = phys_cpu_present_map;
+       init_cpu_possible(&phys_cpu_present_map);
        printk("VOYAGER SMP: phys_cpu_present_map = 0x%lx\n",
               cpus_addr(phys_cpu_present_map)[0]);
        /* Here we set up the VIC to enable SMP */
@@ -1599,16 +1597,16 @@ static void after_handle_vic_irq(unsigned int irq)
  * change the mask and then do an interrupt enable CPI to re-enable on
  * the selected processors */
 
-void set_vic_irq_affinity(unsigned int irq, cpumask_t mask)
+void set_vic_irq_affinity(unsigned int irq, const struct cpumask *mask)
 {
        /* Only extended processors handle interrupts */
        unsigned long real_mask;
        unsigned long irq_mask = 1 << irq;
        int cpu;
 
-       real_mask = cpus_addr(mask)[0] & voyager_extended_vic_processors;
+       real_mask = cpus_addr(*mask)[0] & voyager_extended_vic_processors;
 
-       if (cpus_addr(mask)[0] == 0)
+       if (cpus_addr(*mask)[0] == 0)
                /* can't have no CPUs to accept the interrupt -- extremely
                 * bad things will happen */
                return;
@@ -1750,10 +1748,11 @@ static void __cpuinit voyager_smp_prepare_boot_cpu(void)
        init_gdt(smp_processor_id());
        switch_to_new_gdt();
 
-       cpu_set(smp_processor_id(), cpu_online_map);
-       cpu_set(smp_processor_id(), cpu_callout_map);
-       cpu_set(smp_processor_id(), cpu_possible_map);
-       cpu_set(smp_processor_id(), cpu_present_map);
+       cpu_online_map = cpumask_of_cpu(smp_processor_id());
+       cpu_callout_map = cpumask_of_cpu(smp_processor_id());
+       cpu_callin_map = CPU_MASK_NONE;
+       cpu_present_map = cpumask_of_cpu(smp_processor_id());
+
 }
 
 static int __cpuinit voyager_cpu_up(unsigned int cpu)
@@ -1783,9 +1782,9 @@ void __init smp_setup_processor_id(void)
        x86_write_percpu(cpu_number, hard_smp_processor_id());
 }
 
-static void voyager_send_call_func(cpumask_t callmask)
+static void voyager_send_call_func(const struct cpumask *callmask)
 {
-       __u32 mask = cpus_addr(callmask)[0] & ~(1 << smp_processor_id());
+       __u32 mask = cpus_addr(*callmask)[0] & ~(1 << smp_processor_id());
        send_CPI(mask, VIC_CALL_FUNCTION_CPI);
 }
 
index c7b06fe..5d87f58 100644 (file)
@@ -131,7 +131,7 @@ u_char emulating = 0;
 static int valid_prefix(u_char *Byte, u_char __user ** fpu_eip,
                        overrides * override);
 
-asmlinkage void math_emulate(long arg)
+void math_emulate(struct math_emu_info *info)
 {
        u_char FPU_modrm, byte1;
        unsigned short code;
@@ -161,7 +161,7 @@ asmlinkage void math_emulate(long arg)
        RE_ENTRANT_CHECK_ON;
 #endif /* RE_ENTRANT_CHECKING */
 
-       SETUP_DATA_AREA(arg);
+       FPU_info = info;
 
        FPU_ORIG_EIP = FPU_EIP;
 
@@ -659,7 +659,7 @@ static int valid_prefix(u_char *Byte, u_char __user **fpu_eip,
        }
 }
 
-void math_abort(struct info *info, unsigned int signal)
+void math_abort(struct math_emu_info *info, unsigned int signal)
 {
        FPU_EIP = FPU_ORIG_EIP;
        current->thread.trap_no = 16;
index aa49b6a..9779df4 100644 (file)
@@ -51,8 +51,8 @@ extern void ffreep(void);
 extern void fst_i_(void);
 extern void fstp_i(void);
 /* fpu_entry.c */
-asmlinkage extern void math_emulate(long arg);
-extern void math_abort(struct info *info, unsigned int signal);
+extern void math_emulate(struct math_emu_info *info);
+extern void math_abort(struct math_emu_info *info, unsigned int signal);
 /* fpu_etc.c */
 extern void FPU_etc(void);
 /* fpu_tags.c */
index 13488fa..50fa0ec 100644 (file)
 #include <linux/kernel.h>
 #include <linux/mm.h>
 
-/* This sets the pointer FPU_info to point to the argument part
-   of the stack frame of math_emulate() */
-#define SETUP_DATA_AREA(arg)   FPU_info = (struct info *) &arg
-
 /* s is always from a cpu register, and the cpu does bounds checking
  * during register load --> no further bounds checks needed */
 #define LDT_DESCRIPTOR(s)      (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3])
 #define I387                   (current->thread.xstate)
 #define FPU_info               (I387->soft.info)
 
-#define FPU_CS                 (*(unsigned short *) &(FPU_info->___cs))
-#define FPU_SS                 (*(unsigned short *) &(FPU_info->___ss))
-#define FPU_DS                 (*(unsigned short *) &(FPU_info->___ds))
-#define FPU_EAX                        (FPU_info->___eax)
-#define FPU_EFLAGS             (FPU_info->___eflags)
-#define FPU_EIP                        (FPU_info->___eip)
+#define FPU_CS                 (*(unsigned short *) &(FPU_info->regs->cs))
+#define FPU_SS                 (*(unsigned short *) &(FPU_info->regs->ss))
+#define FPU_DS                 (*(unsigned short *) &(FPU_info->regs->ds))
+#define FPU_EAX                        (FPU_info->regs->ax)
+#define FPU_EFLAGS             (FPU_info->regs->flags)
+#define FPU_EIP                        (FPU_info->regs->ip)
 #define FPU_ORIG_EIP           (FPU_info->___orig_eip)
 
 #define FPU_lookahead           (I387->soft.lookahead)
index d701e2b..420b3b6 100644 (file)
 #define FPU_WRITE_BIT 0x10
 
 static int reg_offset[] = {
-       offsetof(struct info, ___eax),
-       offsetof(struct info, ___ecx),
-       offsetof(struct info, ___edx),
-       offsetof(struct info, ___ebx),
-       offsetof(struct info, ___esp),
-       offsetof(struct info, ___ebp),
-       offsetof(struct info, ___esi),
-       offsetof(struct info, ___edi)
+       offsetof(struct pt_regs, ax),
+       offsetof(struct pt_regs, cx),
+       offsetof(struct pt_regs, dx),
+       offsetof(struct pt_regs, bx),
+       offsetof(struct pt_regs, sp),
+       offsetof(struct pt_regs, bp),
+       offsetof(struct pt_regs, si),
+       offsetof(struct pt_regs, di)
 };
 
-#define REG_(x) (*(long *)(reg_offset[(x)]+(u_char *) FPU_info))
+#define REG_(x) (*(long *)(reg_offset[(x)] + (u_char *)FPU_info->regs))
 
 static int reg_offset_vm86[] = {
-       offsetof(struct info, ___cs),
-       offsetof(struct info, ___vm86_ds),
-       offsetof(struct info, ___vm86_es),
-       offsetof(struct info, ___vm86_fs),
-       offsetof(struct info, ___vm86_gs),
-       offsetof(struct info, ___ss),
-       offsetof(struct info, ___vm86_ds)
+       offsetof(struct pt_regs, cs),
+       offsetof(struct kernel_vm86_regs, ds),
+       offsetof(struct kernel_vm86_regs, es),
+       offsetof(struct kernel_vm86_regs, fs),
+       offsetof(struct kernel_vm86_regs, gs),
+       offsetof(struct pt_regs, ss),
+       offsetof(struct kernel_vm86_regs, ds)
 };
 
 #define VM86_REG_(x) (*(unsigned short *) \
-                     (reg_offset_vm86[((unsigned)x)]+(u_char *) FPU_info))
-
-/* This dummy, gs is not saved on the stack. */
-#define ___GS ___ds
+               (reg_offset_vm86[((unsigned)x)] + (u_char *)FPU_info->regs))
 
 static int reg_offset_pm[] = {
-       offsetof(struct info, ___cs),
-       offsetof(struct info, ___ds),
-       offsetof(struct info, ___es),
-       offsetof(struct info, ___fs),
-       offsetof(struct info, ___GS),
-       offsetof(struct info, ___ss),
-       offsetof(struct info, ___ds)
+       offsetof(struct pt_regs, cs),
+       offsetof(struct pt_regs, ds),
+       offsetof(struct pt_regs, es),
+       offsetof(struct pt_regs, fs),
+       offsetof(struct pt_regs, ds),   /* dummy, not saved on stack */
+       offsetof(struct pt_regs, ss),
+       offsetof(struct pt_regs, ds)
 };
 
 #define PM_REG_(x) (*(unsigned short *) \
-                     (reg_offset_pm[((unsigned)x)]+(u_char *) FPU_info))
+               (reg_offset_pm[((unsigned)x)] + (u_char *)FPU_info->regs))
 
 /* Decode the SIB byte. This function assumes mod != 0 */
 static int sib(int mod, unsigned long *fpu_eip)
@@ -349,34 +346,34 @@ void __user *FPU_get_address_16(u_char FPU_modrm, unsigned long *fpu_eip,
        }
        switch (rm) {
        case 0:
-               address += FPU_info->___ebx + FPU_info->___esi;
+               address += FPU_info->regs->bx + FPU_info->regs->si;
                break;
        case 1:
-               address += FPU_info->___ebx + FPU_info->___edi;
+               address += FPU_info->regs->bx + FPU_info->regs->di;
                break;
        case 2:
-               address += FPU_info->___ebp + FPU_info->___esi;
+               address += FPU_info->regs->bp + FPU_info->regs->si;
                if (addr_modes.override.segment == PREFIX_DEFAULT)
                        addr_modes.override.segment = PREFIX_SS_;
                break;
        case 3:
-               address += FPU_info->___ebp + FPU_info->___edi;
+               address += FPU_info->regs->bp + FPU_info->regs->di;
                if (addr_modes.override.segment == PREFIX_DEFAULT)
                        addr_modes.override.segment = PREFIX_SS_;
                break;
        case 4:
-               address += FPU_info->___esi;
+               address += FPU_info->regs->si;
                break;
        case 5:
-               address += FPU_info->___edi;
+               address += FPU_info->regs->di;
                break;
        case 6:
-               address += FPU_info->___ebp;
+               address += FPU_info->regs->bp;
                if (addr_modes.override.segment == PREFIX_DEFAULT)
                        addr_modes.override.segment = PREFIX_SS_;
                break;
        case 7:
-               address += FPU_info->___ebx;
+               address += FPU_info->regs->bx;
                break;
        }
 
index 90dfae5..c76ef1d 100644 (file)
@@ -603,8 +603,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
 
        si_code = SEGV_MAPERR;
 
-       if (notify_page_fault(regs))
-               return;
        if (unlikely(kmmio_fault(regs, address)))
                return;
 
@@ -634,6 +632,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
                if (spurious_fault(address, error_code))
                        return;
 
+               /* kprobes don't want to hook the spurious faults. */
+               if (notify_page_fault(regs))
+                       return;
                /*
                 * Don't take the mm semaphore here. If we fixup a prefetch
                 * fault we could otherwise deadlock.
@@ -641,6 +642,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
                goto bad_area_nosemaphore;
        }
 
+       /* kprobes don't want to hook the spurious faults. */
+       if (notify_page_fault(regs))
+               return;
 
        /*
         * It's safe to allow irq's after cr2 has been saved and the
index 8589382..fa3e107 100644 (file)
@@ -19,8 +19,10 @@ DECLARE_PER_CPU(unsigned long, xen_mc_irq_flags);
    paired with xen_mc_issue() */
 static inline void xen_mc_batch(void)
 {
+       unsigned long flags;
        /* need to disable interrupts until this entry is complete */
-       local_irq_save(__get_cpu_var(xen_mc_irq_flags));
+       local_irq_save(flags);
+       __get_cpu_var(xen_mc_irq_flags) = flags;
 }
 
 static inline struct multicall_space xen_mc_entry(size_t args)
index 7c41e74..56c62e2 100644 (file)
@@ -149,6 +149,9 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
                if (q == alg)
                        goto err;
 
+               if (crypto_is_moribund(q))
+                       continue;
+
                if (crypto_is_larval(q)) {
                        if (!strcmp(alg->cra_driver_name, q->cra_driver_name))
                                goto err;
@@ -197,7 +200,7 @@ void crypto_alg_tested(const char *name, int err)
 
        down_write(&crypto_alg_sem);
        list_for_each_entry(q, &crypto_alg_list, cra_list) {
-               if (!crypto_is_larval(q))
+               if (crypto_is_moribund(q) || !crypto_is_larval(q))
                        continue;
 
                test = (struct crypto_larval *)q;
@@ -210,6 +213,7 @@ void crypto_alg_tested(const char *name, int err)
        goto unlock;
 
 found:
+       q->cra_flags |= CRYPTO_ALG_DEAD;
        alg = test->adult;
        if (err || list_empty(&alg->cra_list))
                goto complete;
index 9975a7b..efe77df 100644 (file)
@@ -557,34 +557,34 @@ err:
        return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_tfm);
+
 /*
- *     crypto_free_tfm - Free crypto transform
+ *     crypto_destroy_tfm - Free crypto transform
+ *     @mem: Start of tfm slab
  *     @tfm: Transform to free
  *
- *     crypto_free_tfm() frees up the transform and any associated resources,
+ *     This function frees up the transform and any associated resources,
  *     then drops the refcount on the associated algorithm.
  */
-void crypto_free_tfm(struct crypto_tfm *tfm)
+void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
 {
        struct crypto_alg *alg;
        int size;
 
-       if (unlikely(!tfm))
+       if (unlikely(!mem))
                return;
 
        alg = tfm->__crt_alg;
-       size = sizeof(*tfm) + alg->cra_ctxsize;
+       size = ksize(mem);
 
        if (!tfm->exit && alg->cra_exit)
                alg->cra_exit(tfm);
        crypto_exit_ops(tfm);
        crypto_mod_put(alg);
-       memset(tfm, 0, size);
-       kfree(tfm);
+       memset(mem, 0, size);
+       kfree(mem);
 }
-
-EXPORT_SYMBOL_GPL(crypto_free_tfm);
+EXPORT_SYMBOL_GPL(crypto_destroy_tfm);
 
 int crypto_has_alg(const char *name, u32 type, u32 mask)
 {
index 9aeeb52..3de89a4 100644 (file)
@@ -54,7 +54,8 @@ static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
                struct page *page;
 
                page = sg_page(walk->sg) + ((walk->offset - 1) >> PAGE_SHIFT);
-               flush_dcache_page(page);
+               if (!PageSlab(page))
+                       flush_dcache_page(page);
        }
 
        if (more) {
index c9df367..d5a2b61 100644 (file)
@@ -388,10 +388,15 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
        struct shash_desc *desc = crypto_tfm_ctx(tfm);
        struct crypto_shash *shash;
 
+       if (!crypto_mod_get(calg))
+               return -EAGAIN;
+
        shash = __crypto_shash_cast(crypto_create_tfm(
                calg, &crypto_shash_type));
-       if (IS_ERR(shash))
+       if (IS_ERR(shash)) {
+               crypto_mod_put(calg);
                return PTR_ERR(shash);
+       }
 
        desc->tfm = shash;
        tfm->exit = crypto_exit_shash_ops_compat;
index d7f9839..a7799a9 100644 (file)
@@ -9,6 +9,7 @@ menuconfig ACPI
        depends on PCI
        depends on PM
        select PNP
+       select CPU_IDLE
        default y
        ---help---
          Advanced Configuration and Power Interface (ACPI) support for 
@@ -287,7 +288,7 @@ config ACPI_CONTAINER
          support physical cpu/memory hot-plug.
 
          If one selects "m", this driver can be loaded with
-         "modprobe acpi_container".
+         "modprobe container".
 
 config ACPI_HOTPLUG_MEMORY
        tristate "Memory Hotplug"
index 9684cc8..22ce489 100644 (file)
@@ -538,10 +538,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
                        if (ACPI_FAILURE(status)) {
                                ACPI_WARNING((AE_INFO,
                                              "Truncating %u table entries!",
-                                             (unsigned)
-                                             (acpi_gbl_root_table_list.size -
-                                              acpi_gbl_root_table_list.
-                                              count)));
+                                             (unsigned) (table_count -
+                                              (acpi_gbl_root_table_list.
+                                              count - 2))));
                                break;
                        }
                }
index da9450b..9c9897d 100644 (file)
@@ -116,9 +116,9 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
                return_ACPI_STATUS(AE_NO_MEMORY);
        }
 
-       /* Default return value is SUPPORTED */
+       /* Default return value is 0, NOT-SUPPORTED */
 
-       return_desc->integer.value = ACPI_UINT32_MAX;
+       return_desc->integer.value = 0;
        walk_state->return_desc = return_desc;
 
        /* Compare input string to static table of supported interfaces */
@@ -127,10 +127,8 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
                if (!ACPI_STRCMP
                    (string_desc->string.pointer,
                     acpi_interfaces_supported[i])) {
-
-                       /* The interface is supported */
-
-                       return_ACPI_STATUS(AE_OK);
+                       return_desc->integer.value = ACPI_UINT32_MAX;
+                       goto done;
                }
        }
 
@@ -141,15 +139,14 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
         */
        status = acpi_os_validate_interface(string_desc->string.pointer);
        if (ACPI_SUCCESS(status)) {
-
-               /* The interface is supported */
-
-               return_ACPI_STATUS(AE_OK);
+               return_desc->integer.value = ACPI_UINT32_MAX;
        }
 
-       /* The interface is not supported */
+done:
+       ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO, "ACPI: BIOS _OSI(%s) %ssupported\n",
+               string_desc->string.pointer,
+               return_desc->integer.value == 0 ? "not-" : ""));
 
-       return_desc->integer.value = 0;
        return_ACPI_STATUS(AE_OK);
 }
 
index 17020c1..fe0cdf8 100644 (file)
@@ -163,7 +163,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
        case ACPI_NOTIFY_BUS_CHECK:
                /* Fall through */
        case ACPI_NOTIFY_DEVICE_CHECK:
-               printk("Container driver received %s event\n",
+               printk(KERN_WARNING "Container driver received %s event\n",
                       (type == ACPI_NOTIFY_BUS_CHECK) ?
                       "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK");
                status = acpi_bus_get_device(handle, &device);
@@ -174,7 +174,8 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
                                        kobject_uevent(&device->dev.kobj,
                                                       KOBJ_ONLINE);
                                else
-                                       printk("Failed to add container\n");
+                                       printk(KERN_WARNING
+                                              "Failed to add container\n");
                        }
                } else {
                        if (ACPI_SUCCESS(status)) {
index 5b30b8d..35094f2 100644 (file)
@@ -855,10 +855,14 @@ fdd_out:
 static ssize_t show_docked(struct device *dev,
                           struct device_attribute *attr, char *buf)
 {
+       struct acpi_device *tmp;
+
        struct dock_station *dock_station = *((struct dock_station **)
                dev->platform_data);
-       return snprintf(buf, PAGE_SIZE, "%d\n", dock_present(dock_station));
 
+       if (ACPI_SUCCESS(acpi_bus_get_device(dock_station->handle, &tmp)))
+               return snprintf(buf, PAGE_SIZE, "1\n");
+       return snprintf(buf, PAGE_SIZE, "0\n");
 }
 static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL);
 
@@ -984,7 +988,7 @@ static int dock_add(acpi_handle handle)
 
        ret = device_create_file(&dock_device->dev, &dev_attr_docked);
        if (ret) {
-               printk("Error %d adding sysfs file\n", ret);
+               printk(KERN_ERR "Error %d adding sysfs file\n", ret);
                platform_device_unregister(dock_device);
                kfree(dock_station);
                dock_station = NULL;
@@ -992,7 +996,7 @@ static int dock_add(acpi_handle handle)
        }
        ret = device_create_file(&dock_device->dev, &dev_attr_undock);
        if (ret) {
-               printk("Error %d adding sysfs file\n", ret);
+               printk(KERN_ERR "Error %d adding sysfs file\n", ret);
                device_remove_file(&dock_device->dev, &dev_attr_docked);
                platform_device_unregister(dock_device);
                kfree(dock_station);
@@ -1001,7 +1005,7 @@ static int dock_add(acpi_handle handle)
        }
        ret = device_create_file(&dock_device->dev, &dev_attr_uid);
        if (ret) {
-               printk("Error %d adding sysfs file\n", ret);
+               printk(KERN_ERR "Error %d adding sysfs file\n", ret);
                device_remove_file(&dock_device->dev, &dev_attr_docked);
                device_remove_file(&dock_device->dev, &dev_attr_undock);
                platform_device_unregister(dock_device);
@@ -1011,7 +1015,7 @@ static int dock_add(acpi_handle handle)
        }
        ret = device_create_file(&dock_device->dev, &dev_attr_flags);
        if (ret) {
-               printk("Error %d adding sysfs file\n", ret);
+               printk(KERN_ERR "Error %d adding sysfs file\n", ret);
                device_remove_file(&dock_device->dev, &dev_attr_docked);
                device_remove_file(&dock_device->dev, &dev_attr_undock);
                device_remove_file(&dock_device->dev, &dev_attr_uid);
index a2b82c9..5c2f5d3 100644 (file)
@@ -982,7 +982,7 @@ int __init acpi_ec_ecdt_probe(void)
                saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL);
                if (!saved_ec)
                        return -ENOMEM;
-               memcpy(&saved_ec, boot_ec, sizeof(saved_ec));
+               memcpy(saved_ec, boot_ec, sizeof(*saved_ec));
        /* fall through */
        }
        /* This workaround is needed only on some broken machines,
index adec3d1..5479b9f 100644 (file)
@@ -255,12 +255,12 @@ static int acpi_platform_notify(struct device *dev)
        }
        type = acpi_get_bus_type(dev->bus);
        if (!type) {
-               DBG("No ACPI bus support for %s\n", dev->bus_id);
+               DBG("No ACPI bus support for %s\n", dev_name(dev));
                ret = -EINVAL;
                goto end;
        }
        if ((ret = type->find_device(dev, &handle)) != 0)
-               DBG("Can't get handler for %s\n", dev->bus_id);
+               DBG("Can't get handler for %s\n", dev_name(dev));
       end:
        if (!ret)
                acpi_bind_one(dev, handle);
@@ -271,10 +271,10 @@ static int acpi_platform_notify(struct device *dev)
 
                acpi_get_name(dev->archdata.acpi_handle,
                              ACPI_FULL_PATHNAME, &buffer);
-               DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer);
+               DBG("Device %s -> %s\n", dev_name(dev), (char *)buffer.pointer);
                kfree(buffer.pointer);
        } else
-               DBG("Device %s -> No ACPI support\n", dev->bus_id);
+               DBG("Device %s -> No ACPI support\n", dev_name(dev));
 #endif
 
        return ret;
index 6729a49..b3193ec 100644 (file)
@@ -228,10 +228,10 @@ void acpi_os_vprintf(const char *fmt, va_list args)
        if (acpi_in_debugger) {
                kdb_printf("%s", buffer);
        } else {
-               printk("%s", buffer);
+               printk(KERN_CONT "%s", buffer);
        }
 #else
-       printk("%s", buffer);
+       printk(KERN_CONT "%s", buffer);
 #endif
 }
 
@@ -1317,6 +1317,54 @@ acpi_os_validate_interface (char *interface)
        return AE_SUPPORT;
 }
 
+#ifdef CONFIG_X86
+
+struct aml_port_desc {
+       uint    start;
+       uint    end;
+       char*   name;
+       char    warned;
+};
+
+static struct aml_port_desc aml_invalid_port_list[] = {
+       {0x20, 0x21, "PIC0", 0},
+       {0xA0, 0xA1, "PIC1", 0},
+       {0x4D0, 0x4D1, "ELCR", 0}
+};
+
+/*
+ * valid_aml_io_address()
+ *
+ * if valid, return true
+ * else invalid, warn once, return false
+ */
+static bool valid_aml_io_address(uint address, uint length)
+{
+       int i;
+       int entries = sizeof(aml_invalid_port_list) / sizeof(struct aml_port_desc);
+
+       for (i = 0; i < entries; ++i) {
+               if ((address >= aml_invalid_port_list[i].start &&
+                       address <= aml_invalid_port_list[i].end) ||
+                       (address + length >= aml_invalid_port_list[i].start &&
+                       address  + length <= aml_invalid_port_list[i].end))
+               {
+                       if (!aml_invalid_port_list[i].warned)
+                       {
+                               printk(KERN_ERR "ACPI: Denied BIOS AML access"
+                                       " to invalid port 0x%x+0x%x (%s)\n",
+                                       address, length,
+                                       aml_invalid_port_list[i].name);
+                               aml_invalid_port_list[i].warned = 1;
+                       }
+                       return false;   /* invalid */
+               }
+       }
+       return true;    /* valid */
+}
+#else
+static inline bool valid_aml_io_address(uint address, uint length) { return true; }
+#endif
 /******************************************************************************
  *
  * FUNCTION:    acpi_os_validate_address
@@ -1346,6 +1394,8 @@ acpi_os_validate_address (
 
        switch (space_id) {
        case ACPI_ADR_SPACE_SYSTEM_IO:
+               if (!valid_aml_io_address(address, length))
+                       return AE_AML_ILLEGAL_ADDRESS;
        case ACPI_ADR_SPACE_SYSTEM_MEMORY:
                /* Only interference checks against SystemIO and SytemMemory
                   are needed */
index 1c6e73c..6c772ca 100644 (file)
@@ -593,7 +593,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
                return -ENODEV;
        } else {
                acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING;
-               printk(PREFIX "%s [%s] enabled at IRQ %d\n",
+               printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n",
                       acpi_device_name(link->device),
                       acpi_device_bid(link->device), link->irq.active);
        }
index 66a9d81..7bc22a4 100644 (file)
@@ -66,43 +66,17 @@ ACPI_MODULE_NAME("processor_idle");
 #define ACPI_PROCESSOR_FILE_POWER      "power"
 #define US_TO_PM_TIMER_TICKS(t)                ((t * (PM_TIMER_FREQUENCY/1000)) / 1000)
 #define PM_TIMER_TICK_NS               (1000000000ULL/PM_TIMER_FREQUENCY)
-#ifndef CONFIG_CPU_IDLE
-#define C2_OVERHEAD                    4       /* 1us (3.579 ticks per us) */
-#define C3_OVERHEAD                    4       /* 1us (3.579 ticks per us) */
-static void (*pm_idle_save) (void) __read_mostly;
-#else
 #define C2_OVERHEAD                    1       /* 1us */
 #define C3_OVERHEAD                    1       /* 1us */
-#endif
 #define PM_TIMER_TICKS_TO_US(p)                (((p) * 1000)/(PM_TIMER_FREQUENCY/1000))
 
 static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
-#ifdef CONFIG_CPU_IDLE
 module_param(max_cstate, uint, 0000);
-#else
-module_param(max_cstate, uint, 0644);
-#endif
 static unsigned int nocst __read_mostly;
 module_param(nocst, uint, 0000);
 
-#ifndef CONFIG_CPU_IDLE
-/*
- * bm_history -- bit-mask with a bit per jiffy of bus-master activity
- * 1000 HZ: 0xFFFFFFFF: 32 jiffies = 32ms
- * 800 HZ: 0xFFFFFFFF: 32 jiffies = 40ms
- * 100 HZ: 0x0000000F: 4 jiffies = 40ms
- * reduce history for more aggressive entry into C3
- */
-static unsigned int bm_history __read_mostly =
-    (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1));
-module_param(bm_history, uint, 0644);
-
-static int acpi_processor_set_power_policy(struct acpi_processor *pr);
-
-#else  /* CONFIG_CPU_IDLE */
 static unsigned int latency_factor __read_mostly = 2;
 module_param(latency_factor, uint, 0644);
-#endif
 
 /*
  * IBM ThinkPad R40e crashes mysteriously when going into C2 or C3.
@@ -224,71 +198,6 @@ static void acpi_safe_halt(void)
        current_thread_info()->status |= TS_POLLING;
 }
 
-#ifndef CONFIG_CPU_IDLE
-
-static void
-acpi_processor_power_activate(struct acpi_processor *pr,
-                             struct acpi_processor_cx *new)
-{
-       struct acpi_processor_cx *old;
-
-       if (!pr || !new)
-               return;
-
-       old = pr->power.state;
-
-       if (old)
-               old->promotion.count = 0;
-       new->demotion.count = 0;
-
-       /* Cleanup from old state. */
-       if (old) {
-               switch (old->type) {
-               case ACPI_STATE_C3:
-                       /* Disable bus master reload */
-                       if (new->type != ACPI_STATE_C3 && pr->flags.bm_check)
-                               acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
-                       break;
-               }
-       }
-
-       /* Prepare to use new state. */
-       switch (new->type) {
-       case ACPI_STATE_C3:
-               /* Enable bus master reload */
-               if (old->type != ACPI_STATE_C3 && pr->flags.bm_check)
-                       acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
-               break;
-       }
-
-       pr->power.state = new;
-
-       return;
-}
-
-static atomic_t c3_cpu_count;
-
-/* Common C-state entry for C2, C3, .. */
-static void acpi_cstate_enter(struct acpi_processor_cx *cstate)
-{
-       /* Don't trace irqs off for idle */
-       stop_critical_timings();
-       if (cstate->entry_method == ACPI_CSTATE_FFH) {
-               /* Call into architectural FFH based C-state */
-               acpi_processor_ffh_cstate_enter(cstate);
-       } else {
-               int unused;
-               /* IO port based C-state */
-               inb(cstate->address);
-               /* Dummy wait op - must do something useless after P_LVL2 read
-                  because chipsets cannot guarantee that STPCLK# signal
-                  gets asserted in time to freeze execution properly. */
-               unused = inl(acpi_gbl_FADT.xpm_timer_block.address);
-       }
-       start_critical_timings();
-}
-#endif /* !CONFIG_CPU_IDLE */
-
 #ifdef ARCH_APICTIMER_STOPS_ON_C3
 
 /*
@@ -390,421 +299,6 @@ static int tsc_halts_in_c(int state)
 }
 #endif
 
-#ifndef CONFIG_CPU_IDLE
-static void acpi_processor_idle(void)
-{
-       struct acpi_processor *pr = NULL;
-       struct acpi_processor_cx *cx = NULL;
-       struct acpi_processor_cx *next_state = NULL;
-       int sleep_ticks = 0;
-       u32 t1, t2 = 0;
-
-       /*
-        * Interrupts must be disabled during bus mastering calculations and
-        * for C2/C3 transitions.
-        */
-       local_irq_disable();
-
-       pr = __get_cpu_var(processors);
-       if (!pr) {
-               local_irq_enable();
-               return;
-       }
-
-       /*
-        * Check whether we truly need to go idle, or should
-        * reschedule:
-        */
-       if (unlikely(need_resched())) {
-               local_irq_enable();
-               return;
-       }
-
-       cx = pr->power.state;
-       if (!cx || acpi_idle_suspend) {
-               if (pm_idle_save) {
-                       pm_idle_save(); /* enables IRQs */
-               } else {
-                       acpi_safe_halt();
-                       local_irq_enable();
-               }
-
-               return;
-       }
-
-       /*
-        * Check BM Activity
-        * -----------------
-        * Check for bus mastering activity (if required), record, and check
-        * for demotion.
-        */
-       if (pr->flags.bm_check) {
-               u32 bm_status = 0;
-               unsigned long diff = jiffies - pr->power.bm_check_timestamp;
-
-               if (diff > 31)
-                       diff = 31;
-
-               pr->power.bm_activity <<= diff;
-
-               acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
-               if (bm_status) {
-                       pr->power.bm_activity |= 0x1;
-                       acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);
-               }
-               /*
-                * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect
-                * the true state of bus mastering activity; forcing us to
-                * manually check the BMIDEA bit of each IDE channel.
-                */
-               else if (errata.piix4.bmisx) {
-                       if ((inb_p(errata.piix4.bmisx + 0x02) & 0x01)
-                           || (inb_p(errata.piix4.bmisx + 0x0A) & 0x01))
-                               pr->power.bm_activity |= 0x1;
-               }
-
-               pr->power.bm_check_timestamp = jiffies;
-
-               /*
-                * If bus mastering is or was active this jiffy, demote
-                * to avoid a faulty transition.  Note that the processor
-                * won't enter a low-power state during this call (to this
-                * function) but should upon the next.
-                *
-                * TBD: A better policy might be to fallback to the demotion
-                *      state (use it for this quantum only) istead of
-                *      demoting -- and rely on duration as our sole demotion
-                *      qualification.  This may, however, introduce DMA
-                *      issues (e.g. floppy DMA transfer overrun/underrun).
-                */
-               if ((pr->power.bm_activity & 0x1) &&
-                   cx->demotion.threshold.bm) {
-                       local_irq_enable();
-                       next_state = cx->demotion.state;
-                       goto end;
-               }
-       }
-
-#ifdef CONFIG_HOTPLUG_CPU
-       /*
-        * Check for P_LVL2_UP flag before entering C2 and above on
-        * an SMP system. We do it here instead of doing it at _CST/P_LVL
-        * detection phase, to work cleanly with logical CPU hotplug.
-        */
-       if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) &&
-           !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED))
-               cx = &pr->power.states[ACPI_STATE_C1];
-#endif
-
-       /*
-        * Sleep:
-        * ------
-        * Invoke the current Cx state to put the processor to sleep.
-        */
-       if (cx->type == ACPI_STATE_C2 || cx->type == ACPI_STATE_C3) {
-               current_thread_info()->status &= ~TS_POLLING;
-               /*
-                * TS_POLLING-cleared state must be visible before we
-                * test NEED_RESCHED:
-                */
-               smp_mb();
-               if (need_resched()) {
-                       current_thread_info()->status |= TS_POLLING;
-                       local_irq_enable();
-                       return;
-               }
-       }
-
-       switch (cx->type) {
-
-       case ACPI_STATE_C1:
-               /*
-                * Invoke C1.
-                * Use the appropriate idle routine, the one that would
-                * be used without acpi C-states.
-                */
-               if (pm_idle_save) {
-                       pm_idle_save(); /* enables IRQs */
-               } else {
-                       acpi_safe_halt();
-                       local_irq_enable();
-               }
-
-               /*
-                * TBD: Can't get time duration while in C1, as resumes
-                *      go to an ISR rather than here.  Need to instrument
-                *      base interrupt handler.
-                *
-                * Note: the TSC better not stop in C1, sched_clock() will
-                *       skew otherwise.
-                */
-               sleep_ticks = 0xFFFFFFFF;
-
-               break;
-
-       case ACPI_STATE_C2:
-               /* Get start time (ticks) */
-               t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-               /* Tell the scheduler that we are going deep-idle: */
-               sched_clock_idle_sleep_event();
-               /* Invoke C2 */
-               acpi_state_timer_broadcast(pr, cx, 1);
-               acpi_cstate_enter(cx);
-               /* Get end time (ticks) */
-               t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
-               /* TSC halts in C2, so notify users */
-               if (tsc_halts_in_c(ACPI_STATE_C2))
-                       mark_tsc_unstable("possible TSC halt in C2");
-#endif
-               /* Compute time (ticks) that we were actually asleep */
-               sleep_ticks = ticks_elapsed(t1, t2);
-
-               /* Tell the scheduler how much we idled: */
-               sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
-
-               /* Re-enable interrupts */
-               local_irq_enable();
-               /* Do not account our idle-switching overhead: */
-               sleep_ticks -= cx->latency_ticks + C2_OVERHEAD;
-
-               current_thread_info()->status |= TS_POLLING;
-               acpi_state_timer_broadcast(pr, cx, 0);
-               break;
-
-       case ACPI_STATE_C3:
-               acpi_unlazy_tlb(smp_processor_id());
-               /*
-                * Must be done before busmaster disable as we might
-                * need to access HPET !
-                */
-               acpi_state_timer_broadcast(pr, cx, 1);
-               /*
-                * disable bus master
-                * bm_check implies we need ARB_DIS
-                * !bm_check implies we need cache flush
-                * bm_control implies whether we can do ARB_DIS
-                *
-                * That leaves a case where bm_check is set and bm_control is
-                * not set. In that case we cannot do much, we enter C3
-                * without doing anything.
-                */
-               if (pr->flags.bm_check && pr->flags.bm_control) {
-                       if (atomic_inc_return(&c3_cpu_count) ==
-                           num_online_cpus()) {
-                               /*
-                                * All CPUs are trying to go to C3
-                                * Disable bus master arbitration
-                                */
-                               acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1);
-                       }
-               } else if (!pr->flags.bm_check) {
-                       /* SMP with no shared cache... Invalidate cache  */
-                       ACPI_FLUSH_CPU_CACHE();
-               }
-
-               /* Get start time (ticks) */
-               t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-               /* Invoke C3 */
-               /* Tell the scheduler that we are going deep-idle: */
-               sched_clock_idle_sleep_event();
-               acpi_cstate_enter(cx);
-               /* Get end time (ticks) */
-               t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
-               if (pr->flags.bm_check && pr->flags.bm_control) {
-                       /* Enable bus master arbitration */
-                       atomic_dec(&c3_cpu_count);
-                       acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
-               }
-
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
-               /* TSC halts in C3, so notify users */
-               if (tsc_halts_in_c(ACPI_STATE_C3))
-                       mark_tsc_unstable("TSC halts in C3");
-#endif
-               /* Compute time (ticks) that we were actually asleep */
-               sleep_ticks = ticks_elapsed(t1, t2);
-               /* Tell the scheduler how much we idled: */
-               sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
-
-               /* Re-enable interrupts */
-               local_irq_enable();
-               /* Do not account our idle-switching overhead: */
-               sleep_ticks -= cx->latency_ticks + C3_OVERHEAD;
-
-               current_thread_info()->status |= TS_POLLING;
-               acpi_state_timer_broadcast(pr, cx, 0);
-               break;
-
-       default:
-               local_irq_enable();
-               return;
-       }
-       cx->usage++;
-       if ((cx->type != ACPI_STATE_C1) && (sleep_ticks > 0))
-               cx->time += sleep_ticks;
-
-       next_state = pr->power.state;
-
-#ifdef CONFIG_HOTPLUG_CPU
-       /* Don't do promotion/demotion */
-       if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) &&
-           !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) {
-               next_state = cx;
-               goto end;
-       }
-#endif
-
-       /*
-        * Promotion?
-        * ----------
-        * Track the number of longs (time asleep is greater than threshold)
-        * and promote when the count threshold is reached.  Note that bus
-        * mastering activity may prevent promotions.
-        * Do not promote above max_cstate.
-        */
-       if (cx->promotion.state &&
-           ((cx->promotion.state - pr->power.states) <= max_cstate)) {
-               if (sleep_ticks > cx->promotion.threshold.ticks &&
-                 cx->promotion.state->latency <=
-                               pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) {
-                       cx->promotion.count++;
-                       cx->demotion.count = 0;
-                       if (cx->promotion.count >=
-                           cx->promotion.threshold.count) {
-                               if (pr->flags.bm_check) {
-                                       if (!
-                                           (pr->power.bm_activity & cx->
-                                            promotion.threshold.bm)) {
-                                               next_state =
-                                                   cx->promotion.state;
-                                               goto end;
-                                       }
-                               } else {
-                                       next_state = cx->promotion.state;
-                                       goto end;
-                               }
-                       }
-               }
-       }
-
-       /*
-        * Demotion?
-        * ---------
-        * Track the number of shorts (time asleep is less than time threshold)
-        * and demote when the usage threshold is reached.
-        */
-       if (cx->demotion.state) {
-               if (sleep_ticks < cx->demotion.threshold.ticks) {
-                       cx->demotion.count++;
-                       cx->promotion.count = 0;
-                       if (cx->demotion.count >= cx->demotion.threshold.count) {
-                               next_state = cx->demotion.state;
-                               goto end;
-                       }
-               }
-       }
-
-      end:
-       /*
-        * Demote if current state exceeds max_cstate
-        * or if the latency of the current state is unacceptable
-        */
-       if ((pr->power.state - pr->power.states) > max_cstate ||
-               pr->power.state->latency >
-                               pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) {
-               if (cx->demotion.state)
-                       next_state = cx->demotion.state;
-       }
-
-       /*
-        * New Cx State?
-        * -------------
-        * If we're going to start using a new Cx state we must clean up
-        * from the previous and prepare to use the new.
-        */
-       if (next_state != pr->power.state)
-               acpi_processor_power_activate(pr, next_state);
-}
-
-static int acpi_processor_set_power_policy(struct acpi_processor *pr)
-{
-       unsigned int i;
-       unsigned int state_is_set = 0;
-       struct acpi_processor_cx *lower = NULL;
-       struct acpi_processor_cx *higher = NULL;
-       struct acpi_processor_cx *cx;
-
-
-       if (!pr)
-               return -EINVAL;
-
-       /*
-        * This function sets the default Cx state policy (OS idle handler).
-        * Our scheme is to promote quickly to C2 but more conservatively
-        * to C3.  We're favoring C2  for its characteristics of low latency
-        * (quick response), good power savings, and ability to allow bus
-        * mastering activity.  Note that the Cx state policy is completely
-        * customizable and can be altered dynamically.
-        */
-
-       /* startup state */
-       for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
-               cx = &pr->power.states[i];
-               if (!cx->valid)
-                       continue;
-
-               if (!state_is_set)
-                       pr->power.state = cx;
-               state_is_set++;
-               break;
-       }
-
-       if (!state_is_set)
-               return -ENODEV;
-
-       /* demotion */
-       for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
-               cx = &pr->power.states[i];
-               if (!cx->valid)
-                       continue;
-
-               if (lower) {
-                       cx->demotion.state = lower;
-                       cx->demotion.threshold.ticks = cx->latency_ticks;
-                       cx->demotion.threshold.count = 1;
-                       if (cx->type == ACPI_STATE_C3)
-                               cx->demotion.threshold.bm = bm_history;
-               }
-
-               lower = cx;
-       }
-
-       /* promotion */
-       for (i = (ACPI_PROCESSOR_MAX_POWER - 1); i > 0; i--) {
-               cx = &pr->power.states[i];
-               if (!cx->valid)
-                       continue;
-
-               if (higher) {
-                       cx->promotion.state = higher;
-                       cx->promotion.threshold.ticks = cx->latency_ticks;
-                       if (cx->type >= ACPI_STATE_C2)
-                               cx->promotion.threshold.count = 4;
-                       else
-                               cx->promotion.threshold.count = 10;
-                       if (higher->type == ACPI_STATE_C3)
-                               cx->promotion.threshold.bm = bm_history;
-               }
-
-               higher = cx;
-       }
-
-       return 0;
-}
-#endif /* !CONFIG_CPU_IDLE */
-
 static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr)
 {
 
@@ -1047,11 +541,7 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx)
         */
        cx->valid = 1;
 
-#ifndef CONFIG_CPU_IDLE
-       cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency);
-#else
        cx->latency_ticks = cx->latency;
-#endif
 
        return;
 }
@@ -1121,7 +611,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
                                          " for C3 to be enabled on SMP systems\n"));
                        return;
                }
-               acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
        }
 
        /*
@@ -1132,11 +621,16 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr,
         */
        cx->valid = 1;
 
-#ifndef CONFIG_CPU_IDLE
-       cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency);
-#else
        cx->latency_ticks = cx->latency;
-#endif
+       /*
+        * On older chipsets, BM_RLD needs to be set
+        * in order for Bus Master activity to wake the
+        * system from C3.  Newer chipsets handle DMA
+        * during C3 automatically and BM_RLD is a NOP.
+        * In either case, the proper way to
+        * handle BM_RLD is to set it and leave it set.
+        */
+       acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
 
        return;
 }
@@ -1201,20 +695,6 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr)
 
        pr->power.count = acpi_processor_power_verify(pr);
 
-#ifndef CONFIG_CPU_IDLE
-       /*
-        * Set Default Policy
-        * ------------------
-        * Now that we know which states are supported, set the default
-        * policy.  Note that this policy can be changed dynamically
-        * (e.g. encourage deeper sleeps to conserve battery life when
-        * not on AC).
-        */
-       result = acpi_processor_set_power_policy(pr);
-       if (result)
-               return result;
-#endif
-
        /*
         * if one state of type C2 or C3 is available, mark this
         * CPU as being "idle manageable"
@@ -1312,69 +792,6 @@ static const struct file_operations acpi_processor_power_fops = {
        .release = single_release,
 };
 
-#ifndef CONFIG_CPU_IDLE
-
-int acpi_processor_cst_has_changed(struct acpi_processor *pr)
-{
-       int result = 0;
-
-       if (boot_option_idle_override)
-               return 0;
-
-       if (!pr)
-               return -EINVAL;
-
-       if (nocst) {
-               return -ENODEV;
-       }
-
-       if (!pr->flags.power_setup_done)
-               return -ENODEV;
-
-       /*
-        * Fall back to the default idle loop, when pm_idle_save had
-        * been initialized.
-        */
-       if (pm_idle_save) {
-               pm_idle = pm_idle_save;
-               /* Relies on interrupts forcing exit from idle. */
-               synchronize_sched();
-       }
-
-       pr->flags.power = 0;
-       result = acpi_processor_get_power_info(pr);
-       if ((pr->flags.power == 1) && (pr->flags.power_setup_done))
-               pm_idle = acpi_processor_idle;
-
-       return result;
-}
-
-#ifdef CONFIG_SMP
-static void smp_callback(void *v)
-{
-       /* we already woke the CPU up, nothing more to do */
-}
-
-/*
- * This function gets called when a part of the kernel has a new latency
- * requirement.  This means we need to get all processors out of their C-state,
- * and then recalculate a new suitable C-state. Just do a cross-cpu IPI; that
- * wakes them all right up.
- */
-static int acpi_processor_latency_notify(struct notifier_block *b,
-               unsigned long l, void *v)
-{
-       smp_call_function(smp_callback, NULL, 1);
-       return NOTIFY_OK;
-}
-
-static struct notifier_block acpi_processor_latency_notifier = {
-       .notifier_call = acpi_processor_latency_notify,
-};
-
-#endif
-
-#else /* CONFIG_CPU_IDLE */
 
 /**
  * acpi_idle_bm_check - checks if bus master activity was detected
@@ -1383,7 +800,7 @@ static int acpi_idle_bm_check(void)
 {
        u32 bm_status = 0;
 
-       acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
+       acpi_get_register_unlocked(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status);
        if (bm_status)
                acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1);
        /*
@@ -1400,25 +817,6 @@ static int acpi_idle_bm_check(void)
 }
 
 /**
- * acpi_idle_update_bm_rld - updates the BM_RLD bit depending on target state
- * @pr: the processor
- * @target: the new target state
- */
-static inline void acpi_idle_update_bm_rld(struct acpi_processor *pr,
-                                          struct acpi_processor_cx *target)
-{
-       if (pr->flags.bm_rld_set && target->type != ACPI_STATE_C3) {
-               acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0);
-               pr->flags.bm_rld_set = 0;
-       }
-
-       if (!pr->flags.bm_rld_set && target->type == ACPI_STATE_C3) {
-               acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1);
-               pr->flags.bm_rld_set = 1;
-       }
-}
-
-/**
  * acpi_idle_do_entry - a helper function that does C2 and C3 type entry
  * @cx: cstate data
  *
@@ -1473,9 +871,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
                return 0;
        }
 
-       if (pr->flags.bm_check)
-               acpi_idle_update_bm_rld(pr, cx);
-
        t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
        acpi_idle_do_entry(cx);
        t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -1527,9 +922,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
         */
        acpi_state_timer_broadcast(pr, cx, 1);
 
-       if (pr->flags.bm_check)
-               acpi_idle_update_bm_rld(pr, cx);
-
        if (cx->type == ACPI_STATE_C3)
                ACPI_FLUSH_CPU_CACHE();
 
@@ -1621,8 +1013,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
         */
        acpi_state_timer_broadcast(pr, cx, 1);
 
-       acpi_idle_update_bm_rld(pr, cx);
-
        /*
         * disable bus master
         * bm_check implies we need ARB_DIS
@@ -1795,8 +1185,6 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
        return ret;
 }
 
-#endif /* CONFIG_CPU_IDLE */
-
 int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
                              struct acpi_device *device)
 {
@@ -1825,10 +1213,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
                               "ACPI: processor limited to max C-state %d\n",
                               max_cstate);
                first_run++;
-#if !defined(CONFIG_CPU_IDLE) && defined(CONFIG_SMP)
-               pm_qos_add_notifier(PM_QOS_CPU_DMA_LATENCY,
-                               &acpi_processor_latency_notifier);
-#endif
        }
 
        if (!pr)
@@ -1852,11 +1236,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
         * platforms that only support C1.
         */
        if (pr->flags.power) {
-#ifdef CONFIG_CPU_IDLE
                acpi_processor_setup_cpuidle(pr);
                if (cpuidle_register_device(&pr->power.dev))
                        return -EIO;
-#endif
 
                printk(KERN_INFO PREFIX "CPU%d (power states:", pr->id);
                for (i = 1; i <= pr->power.count; i++)
@@ -1864,13 +1246,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
                                printk(" C%d[C%d]", i,
                                       pr->power.states[i].type);
                printk(")\n");
-
-#ifndef CONFIG_CPU_IDLE
-               if (pr->id == 0) {
-                       pm_idle_save = pm_idle;
-                       pm_idle = acpi_processor_idle;
-               }
-#endif
        }
 
        /* 'power' [R] */
@@ -1889,34 +1264,12 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
        if (boot_option_idle_override)
                return 0;
 
-#ifdef CONFIG_CPU_IDLE
        cpuidle_unregister_device(&pr->power.dev);
-#endif
        pr->flags.power_setup_done = 0;
 
        if (acpi_device_dir(device))
                remove_proc_entry(ACPI_PROCESSOR_FILE_POWER,
                                  acpi_device_dir(device));
 
-#ifndef CONFIG_CPU_IDLE
-
-       /* Unregister the idle handler when processor #0 is removed. */
-       if (pr->id == 0) {
-               if (pm_idle_save)
-                       pm_idle = pm_idle_save;
-
-               /*
-                * We are about to unload the current idle thread pm callback
-                * (pm_idle), Wait for all processors to update cached/local
-                * copies of pm_idle before proceeding.
-                */
-               cpu_idle_wait();
-#ifdef CONFIG_SMP
-               pm_qos_remove_notifier(PM_QOS_CPU_DMA_LATENCY,
-                               &acpi_processor_latency_notifier);
-#endif
-       }
-#endif
-
        return 0;
 }
index 846e227..9cc769b 100644 (file)
 #include <linux/init.h>
 #include <linux/cpufreq.h>
 
-#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/mutex.h>
-
-#include <asm/uaccess.h>
-#endif
-
 #ifdef CONFIG_X86
 #include <asm/cpufeature.h>
 #endif
@@ -434,96 +426,6 @@ int acpi_processor_notify_smm(struct module *calling_module)
 
 EXPORT_SYMBOL(acpi_processor_notify_smm);
 
-#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF
-/* /proc/acpi/processor/../performance interface (DEPRECATED) */
-
-static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file);
-static struct file_operations acpi_processor_perf_fops = {
-       .owner = THIS_MODULE,
-       .open = acpi_processor_perf_open_fs,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset)
-{
-       struct acpi_processor *pr = seq->private;
-       int i;
-
-
-       if (!pr)
-               goto end;
-
-       if (!pr->performance) {
-               seq_puts(seq, "<not supported>\n");
-               goto end;
-       }
-
-       seq_printf(seq, "state count:             %d\n"
-                  "active state:            P%d\n",
-                  pr->performance->state_count, pr->performance->state);
-
-       seq_puts(seq, "states:\n");
-       for (i = 0; i < pr->performance->state_count; i++)
-               seq_printf(seq,
-                          "   %cP%d:                  %d MHz, %d mW, %d uS\n",
-                          (i == pr->performance->state ? '*' : ' '), i,
-                          (u32) pr->performance->states[i].core_frequency,
-                          (u32) pr->performance->states[i].power,
-                          (u32) pr->performance->states[i].transition_latency);
-
-      end:
-       return 0;
-}
-
-static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file)
-{
-       return single_open(file, acpi_processor_perf_seq_show,
-                          PDE(inode)->data);
-}
-
-static void acpi_cpufreq_add_file(struct acpi_processor *pr)
-{
-       struct acpi_device *device = NULL;
-
-
-       if (acpi_bus_get_device(pr->handle, &device))
-               return;
-
-       /* add file 'performance' [R/W] */
-       proc_create_data(ACPI_PROCESSOR_FILE_PERFORMANCE, S_IFREG | S_IRUGO,
-                        acpi_device_dir(device),
-                        &acpi_processor_perf_fops, acpi_driver_data(device));
-       return;
-}
-
-static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
-{
-       struct acpi_device *device = NULL;
-
-
-       if (acpi_bus_get_device(pr->handle, &device))
-               return;
-
-       /* remove file 'performance' */
-       remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE,
-                         acpi_device_dir(device));
-
-       return;
-}
-
-#else
-static void acpi_cpufreq_add_file(struct acpi_processor *pr)
-{
-       return;
-}
-static void acpi_cpufreq_remove_file(struct acpi_processor *pr)
-{
-       return;
-}
-#endif                         /* CONFIG_X86_ACPI_CPUFREQ_PROC_INTF */
-
 static int acpi_processor_get_psd(struct acpi_processor        *pr)
 {
        int result = 0;
@@ -747,14 +649,12 @@ err_ret:
 }
 EXPORT_SYMBOL(acpi_processor_preregister_performance);
 
-
 int
 acpi_processor_register_performance(struct acpi_processor_performance
                                    *performance, unsigned int cpu)
 {
        struct acpi_processor *pr;
 
-
        if (!(acpi_processor_ppc_status & PPC_REGISTERED))
                return -EINVAL;
 
@@ -781,8 +681,6 @@ acpi_processor_register_performance(struct acpi_processor_performance
                return -EIO;
        }
 
-       acpi_cpufreq_add_file(pr);
-
        mutex_unlock(&performance_mutex);
        return 0;
 }
@@ -795,7 +693,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
 {
        struct acpi_processor *pr;
 
-
        mutex_lock(&performance_mutex);
 
        pr = per_cpu(processors, cpu);
@@ -808,8 +705,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
                kfree(pr->performance->states);
        pr->performance = NULL;
 
-       acpi_cpufreq_remove_file(pr);
-
        mutex_unlock(&performance_mutex);
 
        return;
index 7e3c609..5192666 100644 (file)
@@ -90,31 +90,6 @@ void __init acpi_old_suspend_ordering(void)
        old_suspend_ordering = true;
 }
 
-/*
- * According to the ACPI specification the BIOS should make sure that ACPI is
- * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states.  Still,
- * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI
- * on such systems during resume.  Unfortunately that doesn't help in
- * particularly pathological cases in which SCI_EN has to be set directly on
- * resume, although the specification states very clearly that this flag is
- * owned by the hardware.  The set_sci_en_on_resume variable will be set in such
- * cases.
- */
-static bool set_sci_en_on_resume;
-/*
- * The ACPI specification wants us to save NVS memory regions during hibernation
- * and to restore them during the subsequent resume.  However, it is not certain
- * if this mechanism is going to work on all machines, so we allow the user to
- * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line
- * option.
- */
-static bool s4_no_nvs;
-
-void __init acpi_s4_no_nvs(void)
-{
-       s4_no_nvs = true;
-}
-
 /**
  *     acpi_pm_disable_gpes - Disable the GPEs.
  */
@@ -193,6 +168,18 @@ static void acpi_pm_end(void)
 #endif /* CONFIG_ACPI_SLEEP */
 
 #ifdef CONFIG_SUSPEND
+/*
+ * According to the ACPI specification the BIOS should make sure that ACPI is
+ * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states.  Still,
+ * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI
+ * on such systems during resume.  Unfortunately that doesn't help in
+ * particularly pathological cases in which SCI_EN has to be set directly on
+ * resume, although the specification states very clearly that this flag is
+ * owned by the hardware.  The set_sci_en_on_resume variable will be set in such
+ * cases.
+ */
+static bool set_sci_en_on_resume;
+
 extern void do_suspend_lowlevel(void);
 
 static u32 acpi_suspend_states[] = {
@@ -396,6 +383,20 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 #endif /* CONFIG_SUSPEND */
 
 #ifdef CONFIG_HIBERNATION
+/*
+ * The ACPI specification wants us to save NVS memory regions during hibernation
+ * and to restore them during the subsequent resume.  However, it is not certain
+ * if this mechanism is going to work on all machines, so we allow the user to
+ * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line
+ * option.
+ */
+static bool s4_no_nvs;
+
+void __init acpi_s4_no_nvs(void)
+{
+       s4_no_nvs = true;
+}
+
 static unsigned long s4_hardware_signature;
 static struct acpi_table_facs *facs;
 static bool nosigcheck;
@@ -679,7 +680,7 @@ static void acpi_power_off_prepare(void)
 static void acpi_power_off(void)
 {
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
-       printk("%s called\n", __func__);
+       printk(KERN_DEBUG "%s called\n", __func__);
        local_irq_disable();
        acpi_enable_wakeup_device(ACPI_STATE_S5);
        acpi_enter_sleep_state(ACPI_STATE_S5);
index 775c97a..a885295 100644 (file)
@@ -293,7 +293,12 @@ static void __init check_multiple_madt(void)
 
 int __init acpi_table_init(void)
 {
-       acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
+       acpi_status status;
+
+       status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
+       if (ACPI_FAILURE(status))
+               return 1;
+
        check_multiple_madt();
        return 0;
 }
index f261737..bb5ed05 100644 (file)
@@ -1020,7 +1020,7 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset)
        }
 
        seq_printf(seq, "levels: ");
-       for (i = 0; i < dev->brightness->count; i++)
+       for (i = 2; i < dev->brightness->count; i++)
                seq_printf(seq, " %d", dev->brightness->levels[i]);
        seq_printf(seq, "\ncurrent: %d\n", dev->brightness->curr);
 
@@ -1059,7 +1059,7 @@ acpi_video_device_write_brightness(struct file *file,
                return -EFAULT;
 
        /* validate through the list of available levels */
-       for (i = 0; i < dev->brightness->count; i++)
+       for (i = 2; i < dev->brightness->count; i++)
                if (level == dev->brightness->levels[i]) {
                        if (ACPI_SUCCESS
                            (acpi_video_device_lcd_set_level(dev, level)))
@@ -1260,7 +1260,7 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset)
                        printk(KERN_WARNING PREFIX
                               "This indicates a BIOS bug. Please contact the manufacturer.\n");
                }
-               printk("%llx\n", options);
+               printk(KERN_WARNING "%llx\n", options);
                seq_printf(seq, "can POST: <integrated video>");
                if (options & 2)
                        seq_printf(seq, " <PCI video>");
@@ -1712,7 +1712,7 @@ acpi_video_get_next_level(struct acpi_video_device *device,
        max = max_below = 0;
        min = min_above = 255;
        /* Find closest level to level_current */
-       for (i = 0; i < device->brightness->count; i++) {
+       for (i = 2; i < device->brightness->count; i++) {
                l = device->brightness->levels[i];
                if (abs(l - level_current) < abs(delta)) {
                        delta = l - level_current;
@@ -1722,7 +1722,7 @@ acpi_video_get_next_level(struct acpi_video_device *device,
        }
        /* Ajust level_current to closest available level */
        level_current += delta;
-       for (i = 0; i < device->brightness->count; i++) {
+       for (i = 2; i < device->brightness->count; i++) {
                l = device->brightness->levels[i];
                if (l < min)
                        min = l;
@@ -2006,6 +2006,12 @@ static int acpi_video_bus_add(struct acpi_device *device)
                        device->pnp.bus_id[3] = '0' + instance;
                instance ++;
        }
+       /* a hack to fix the duplicate name "VGA" problem on Pa 3553 */
+       if (!strcmp(device->pnp.bus_id, "VGA")) {
+               if (instance)
+                       device->pnp.bus_id[3] = '0' + instance;
+               instance++;
+       }
 
        video->device = device;
        strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME);
index 937c9c0..10f000d 100644 (file)
@@ -2519,8 +2519,8 @@ fore200e_load_and_start_fw(struct fore200e* fore200e)
        return err;
 
     sprintf(buf, "%s%s", fore200e->bus->proc_name, FW_EXT);
-    if (request_firmware(&firmware, buf, device) == 1) {
-       printk(FORE200E "missing %s firmware image\n", fore200e->bus->model_name);
+    if ((err = request_firmware(&firmware, buf, device)) < 0) {
+       printk(FORE200E "problem loading firmware image %s\n", fore200e->bus->model_name);
        return err;
     }
 
index 34f80fa..8299e2d 100644 (file)
@@ -549,6 +549,15 @@ static void do_nbd_request(struct request_queue * q)
 
                BUG_ON(lo->magic != LO_MAGIC);
 
+               if (unlikely(!lo->sock)) {
+                       printk(KERN_ERR "%s: Attempted send on closed socket\n",
+                               lo->disk->disk_name);
+                       req->errors++;
+                       nbd_end_request(req);
+                       spin_lock_irq(q->queue_lock);
+                       continue;
+               }
+
                spin_lock_irq(&lo->queue_lock);
                list_add_tail(&req->queuelist, &lo->waiting_queue);
                spin_unlock_irq(&lo->queue_lock);
index b60be7b..f146e90 100644 (file)
@@ -1713,8 +1713,8 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd,
                for (i = 0; i < SX_NBOARDS; i++)
                        sx_dprintk(SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags);
                sx_dprintk(SX_DEBUG_FIRMWARE, "\n");
-               unlock_kernel();
-               return -EIO;
+               rc = -EIO;
+               goto out;
        }
 
        switch (cmd) {
@@ -1747,7 +1747,8 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd,
                break;
        case SXIO_DO_RAMTEST:
                if (sx_initialized)     /* Already initialized: better not ramtest the board.  */
-                       return -EPERM;
+                       rc = -EPERM;
+                       break;
                if (IS_SX_BOARD(board)) {
                        rc = do_memtest(board, 0, 0x7000);
                        if (!rc)
@@ -1844,6 +1845,7 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd,
                rc = -ENOTTY;
                break;
        }
+out:
        unlock_kernel();
        func_exit();
        return rc;
diff --git