linux-2.6.git
15 years agoMerge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
Linus Torvalds [Tue, 6 Feb 2007 22:55:33 +0000 (14:55 -0800)]
Merge branch 'for-linus' of /linux/kernel/git/roland/infiniband

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
  IB/ehca: Remove obsolete prototypes
  IB/ehca: Remove use of do_mmap()
  RDMA/addr: Handle ethernet neighbour updates during route resolution
  IB: Make sure struct ib_user_mad.data is aligned
  IB/srp: Don't wait for response when QP is in error state.
  IB: Return qp pointer as part of ib_wc
  IB: Include <linux/kref.h> explicitly in <rdma/ib_verbs.h>

15 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
Linus Torvalds [Tue, 6 Feb 2007 22:54:54 +0000 (14:54 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/drzeus/mmc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (32 commits)
  mmc: tifm: replace kmap with page_address
  mmc: sdhci: fix voltage ocr
  mmc: sdhci: replace kmap with page_address
  mmc: wbsd: replace kmap with page_address
  mmc: handle pci_enable_device() return value in sdhci
  mmc: Proper unclaim in mmc_block
  mmc: change wbsd mailing list
  mmc: Graceful fallback for fancy features
  mmc: Handle wbsd's stupid command list
  mmc: Allow host drivers to specify max block count
  mmc: Allow host drivers to specify a max block size
  tifm_sd: add suspend and resume functionality
  tifm_core: add suspend/resume infrastructure for tifm devices
  tifm_7xx1: prettify
  tifm_7xx1: recognize device 0xac8f as supported
  tifm_7xx1: switch from workqueue to kthread
  tifm_7xx1: Merge media insert and media remove functions
  tifm_7xx1: simplify eject function
  Add dummy_signal_irq function to save check in ISR
  Remove unused return value from signal_irq callback
  ...

15 years agoMerge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
Linus Torvalds [Tue, 6 Feb 2007 22:45:32 +0000 (14:45 -0800)]
Merge branch 'for-linus' of git://git390.osdl.marist.edu/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (37 commits)
  [S390] Avoid excessive inlining.
  [S390] Mark kernel text section read-only.
  [S390] Convert memory detection into C code.
  [S390] Calibrate delay and bogomips.
  [S390] Hypervisor filesystem (s390_hypfs) for z/VM
  [S390] Add crypto support for 3592 tape devices
  [S390] boot from NSS support
  [S390] Support for s390 Pseudo Random Number Generator
  [S390] ETR support.
  [S390] noexec protection
  [S390] move crypto options and some cleanup.
  [S390] cio: Don't spam debug feature.
  [S390] Cleanup of CHSC event handling.
  [S390] cio: declare hardware structures packed.
  [S390] Add set_fs(USER_DS) to start_thread().
  [S390] cio: Catch operand exceptions on stsch.
  [S390] Fix register usage description.
  [S390] kretprobe_trampoline_holder() in wrong section.
  [S390] Fix kprobes breakpoint handling.
  [S390] Update maintainers file.
  ...

15 years ago[PATCH] Keys: Fix key serial number collision handling
David Howells [Tue, 6 Feb 2007 13:45:51 +0000 (13:45 +0000)]
[PATCH] Keys: Fix key serial number collision handling

Fix the key serial number collision avoidance code in key_alloc_serial().

This didn't use to be so much of a problem as the key serial numbers were
allocated from a simple incremental counter, and it would have to go through
two billion keys before it could possibly encounter a collision.  However, now
that random numbers are used instead, collisions are much more likely.

This is fixed by finding a hole in the rbtree where the next unused serial
number ought to be and using that by going almost back to the top of the
insertion routine and redoing the insertion with the new serial number rather
than trying to be clever and attempting to work out the insertion point
pointer directly.

This fixes kernel BZ #7727.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Tue, 6 Feb 2007 22:42:20 +0000 (14:42 -0800)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] Minor cleanup
  [CIFS] Missing free in error path
  [CIFS] Reduce cifs stack space usage
  [CIFS] lseek polling returned stale EOF

15 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Tue, 6 Feb 2007 22:35:30 +0000 (14:35 -0800)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (40 commits)
  [MIPS] Yosemite: Fix missing parens in SERIAL_READ_1 macro
  [MIPS] Fix warnings in run_uncached on 32bit kernel
  [MIPS] Comment fix
  [MIPS] MT: Nuke duplicate mips_mt_regdump() prototype.
  [MIPS] Alchemy:  Fix PCI-memory access
  [MIPS] Move .set reorder out of conditional code
  [MIPS] Check FCSR for pending interrupts before restoring from a context.
  [MIPS] Jaguar ATX: Fix large number of warnings.
  [MIPS] Jaguar: Fix MAC address detection after platform_device conversion.
  [MIPS] SMTC: Make a bunch of functions and variables static.
  [MIPS] Use compat_sys_pselect6
  [MIPS] SMTC: Cleanup idle hook invocation.
  [MIPS] SELinux: Add security hooks to mips-mt {get,set}affinity
  [MIPS] IRIX: Linux coding style cleanups.
  [MIPS] PB1100: Fix pile of warnings
  [MIPS] Alchemy: Fix bunch of warnings
  [MIPS] Whitespace cleanups.
  [MIPS] Alchemy: Fix bunch more warnings.
  [MIPS] Use ARRAY_SIZE macro when appropriate
  [MIPS] Fix some whitespace damage
  ...

15 years ago[PATCH] kbuild: correctly skip tilded backups in localversion files
Oleg Verych [Tue, 6 Feb 2007 01:18:22 +0000 (02:18 +0100)]
[PATCH] kbuild: correctly skip tilded backups in localversion files

 Tildes as in path as in filenames are handled correctly now:
 only files, containing tilde '~', are backups, thus are not valid.

 [KJ]:
 Definition of `space' was removed, scripts/Kbuild.include has one.
 That definition was taken right from the GNU make manual, while Kbuild's
 version is original.

Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Bastian Blank <bastian@waldi.eu.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years ago[PATCH] kbuild: improve option checking, Kbuild.include cleanup
Oleg Verych [Tue, 6 Feb 2007 01:18:21 +0000 (02:18 +0100)]
[PATCH] kbuild: improve option checking, Kbuild.include cleanup

 GNU binutils, root users, tmpfiles, external modules ro builds must
 be fixed to do the right thing now.

Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Horst Schirmeier <horst@schirmeier.com>
Cc: Jan Beulich <jbeulich@novell.com>
Cc: Daniel Drake <dsd@gentoo.org>
Cc: Andi Kleen <ak@suse.de>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years ago[PATCH] kbuild scripts: replace gawk, head, bc with shell, update
Oleg Verych [Tue, 6 Feb 2007 01:18:20 +0000 (02:18 +0100)]
[PATCH] kbuild scripts: replace gawk, head, bc with shell, update

  Replacing overhead of using some (external) programs
  instead of good old `sh'.

Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: William Stearns <wstearns@pobox.com>
Cc: Martin Schlemmer <azarah@nosferatu.za.org>
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Acked-by: Mark Lord <lkml@rtr.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
15 years ago[CIFS] Minor cleanup
Steve French [Tue, 6 Feb 2007 20:43:30 +0000 (20:43 +0000)]
[CIFS] Minor cleanup

Missing tab.  Missing entry in changelog

Signed-off-by: Steve French <sfrench@us.ibm.com>
15 years ago[MIPS] Yosemite: Fix missing parens in SERIAL_READ_1 macro
Ralf Baechle [Tue, 6 Feb 2007 16:43:31 +0000 (16:43 +0000)]
[MIPS] Yosemite: Fix missing parens in SERIAL_READ_1 macro

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Fix warnings in run_uncached on 32bit kernel
Yoichi Yuasa [Tue, 6 Feb 2007 01:59:22 +0000 (10:59 +0900)]
[MIPS] Fix warnings in run_uncached on 32bit kernel

arch/mips/lib/uncached.c: In function 'run_uncached':
arch/mips/lib/uncached.c:47: warning: comparison is always true due to limited range of data type
arch/mips/lib/uncached.c:48: warning: comparison is always false due to limited range of data type
arch/mips/lib/uncached.c:57: warning: comparison is always true due to limited range of data type
arch/mips/lib/uncached.c:58: warning: comparison is always false due to limited range of data type

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Comment fix
Chris Dearman [Thu, 1 Feb 2007 19:54:13 +0000 (19:54 +0000)]
[MIPS] Comment fix

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] MT: Nuke duplicate mips_mt_regdump() prototype.
Ralf Baechle [Sun, 4 Feb 2007 23:23:00 +0000 (23:23 +0000)]
[MIPS] MT: Nuke duplicate mips_mt_regdump() prototype.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Alchemy: Fix PCI-memory access
Alexander Bigga [Thu, 21 Dec 2006 10:25:19 +0000 (11:25 +0100)]
[MIPS] Alchemy:  Fix PCI-memory access

The problem was introduced in 2.6.18.3 with the casting of some
36bit-defines (PCI memory) in au1000.h to resource_size_t which may be
u32 or u64 depending on the experimental CONFIG_RESOURCES_64BIT.

With unset CONFIG_RESOURCES_64BIT, the pci-memory cannot be accessed
because the ioremap in arch/mips/au1000/common/pci.c already used the
truncated addresses.
With set CONFIG_RESOURCES_64BIT, things get even worse, because PCI-scan
aborts, due to resource conflict: request_resource() in arch/mips/pci/pci.c
fails because the maximum iomem-address is 0xffffffff (32bit) but the
pci-memory-start-address is 0x440000000 (36bit).

To get pci working again, I propose the following patch:

1. remove the resource_size_t-casting from au1000.h again
2. make the casting in arch/mips/au1000/common/pci.c (it's allowed and
necessary here. The 36bit-handling will be done in __fixup_bigphys_addr).

With this patch pci works again like in 2.6.18.2, the gcc-compile warnings
in pci.c are gone and it doesn't depend on CONFIG_EXPERIMENTAL.

Signed-off-by: Alexander Bigga <ab@mycable.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Move .set reorder out of conditional code
Chris Dearman [Thu, 1 Feb 2007 19:54:13 +0000 (19:54 +0000)]
[MIPS] Move .set reorder out of conditional code

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Check FCSR for pending interrupts before restoring from a context.
Chris Dearman [Thu, 1 Feb 2007 19:54:13 +0000 (19:54 +0000)]
[MIPS] Check FCSR for pending interrupts before restoring from a context.

Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Jaguar ATX: Fix large number of warnings.
Ralf Baechle [Tue, 7 Nov 2006 09:23:57 +0000 (09:23 +0000)]
[MIPS] Jaguar ATX: Fix large number of warnings.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Jaguar: Fix MAC address detection after platform_device conversion.
Ralf Baechle [Tue, 7 Nov 2006 09:25:51 +0000 (09:25 +0000)]
[MIPS] Jaguar: Fix MAC address detection after platform_device conversion.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] SMTC: Make a bunch of functions and variables static.
Ralf Baechle [Mon, 5 Feb 2007 00:33:21 +0000 (00:33 +0000)]
[MIPS] SMTC: Make a bunch of functions and variables static.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Use compat_sys_pselect6
Joseph S. Myers [Wed, 10 Jan 2007 12:30:50 +0000 (12:30 +0000)]
[MIPS] Use compat_sys_pselect6

The N32 and O32 pselect6 syscalls need to use compat_sys_pselect6 to
translate arguments from 32-bit to 64-bit layout.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] SMTC: Cleanup idle hook invocation.
Ralf Baechle [Mon, 5 Feb 2007 00:34:20 +0000 (00:34 +0000)]
[MIPS] SMTC: Cleanup idle hook invocation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] SELinux: Add security hooks to mips-mt {get,set}affinity
David Quigley [Wed, 28 Jun 2006 13:36:46 +0000 (09:36 -0400)]
[MIPS] SELinux: Add security hooks to mips-mt {get,set}affinity

This patch adds LSM hooks into the setaffinity and getaffinity functions
for the mips architecture to enable security modules to control these
operations between tasks with different security attributes. This
implementation uses the existing task_setscheduler and task_getscheduler
LSM hooks.

Signed-Off-By: David Quigley <dpquigl@tycho.nsa.gov>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] IRIX: Linux coding style cleanups.
Ralf Baechle [Mon, 5 Feb 2007 00:05:08 +0000 (00:05 +0000)]
[MIPS] IRIX: Linux coding style cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] PB1100: Fix pile of warnings
Ralf Baechle [Tue, 7 Nov 2006 10:19:05 +0000 (10:19 +0000)]
[MIPS] PB1100: Fix pile of warnings

  CC      arch/mips/au1000/pb1100/board_setup.o
arch/mips/au1000/pb1100/board_setup.c: In function ‘board_setup’:
arch/mips/au1000/pb1100/board_setup.c:104: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:105: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:105: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:109: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:110: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:110: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:51: warning: unused variable ‘sys_clksrc’
arch/mips/au1000/pb1100/board_setup.c:51: warning: unused variable ‘sys_freqctrl’
arch/mips/au1000/pb1100/board_setup.c:50: warning: unused variable ‘pin_func’

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Alchemy: Fix bunch of warnings
Ralf Baechle [Tue, 7 Nov 2006 09:58:30 +0000 (09:58 +0000)]
[MIPS] Alchemy: Fix bunch of warnings

  CC      arch/mips/au1000/common/pci.o
arch/mips/au1000/common/pci.c:42: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c:43: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c:49: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c:50: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c: In function ‘au1x_pci_setup’:
arch/mips/au1000/common/pci.c:82: warning: ISO C90 forbids mixed declarations and code

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Whitespace cleanups.
Ralf Baechle [Mon, 5 Feb 2007 00:10:11 +0000 (00:10 +0000)]
[MIPS] Whitespace cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Alchemy: Fix bunch more warnings.
Ralf Baechle [Tue, 7 Nov 2006 10:22:31 +0000 (10:22 +0000)]
[MIPS] Alchemy: Fix bunch more warnings.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Use ARRAY_SIZE macro when appropriate
Ahmed S. Darwish [Mon, 5 Feb 2007 02:42:11 +0000 (04:42 +0200)]
[MIPS] Use ARRAY_SIZE macro when appropriate

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Fix some whitespace damage
Jan Altenberg [Thu, 25 Jan 2007 19:46:14 +0000 (20:46 +0100)]
[MIPS] Fix some whitespace damage

Signed-off-by: Jan Altenberg <jan@linutronix.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Add missing ifdef arch/mips/pmc-sierra/yosemite/setup.c
Mathieu Desnoyers [Sun, 4 Feb 2007 04:16:51 +0000 (23:16 -0500)]
[MIPS] Add missing ifdef arch/mips/pmc-sierra/yosemite/setup.c

early_serial_setup is only defined when CONFIG_SERIAL_8250 is set.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Fix pb1200/irqmap.c and apply some missed patches
Atsushi Nemoto [Sat, 3 Feb 2007 15:57:25 +0000 (00:57 +0900)]
[MIPS] Fix pb1200/irqmap.c and apply some missed patches

pb1200/irqmap.c had been broken a while due to non-named initializer
and had missed some recent IRQ related changes.  Apply these commits
to this file.

[MIPS] IRQ cleanups
commit 1603b5aca4f15b34848fb5594d0c7b6333b99144
[MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq
commit 1417836e81c0ab8f5a0bfeafa90d3eaa41b2a067
[MIPS] Compile __do_IRQ() when really needed
commit e77c232cfc6e1250b2916a7c69225d6634d05a49

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Do not allow oprofile to be enabled on SMTC.
Ralf Baechle [Fri, 2 Feb 2007 11:13:35 +0000 (11:13 +0000)]
[MIPS] Do not allow oprofile to be enabled on SMTC.

Oprofile cannot work on SMTC due to the limited number of counters.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Remove superfluous "ifdef CONFIG_KGDB".
Robert P. J. Day [Thu, 1 Feb 2007 10:45:14 +0000 (05:45 -0500)]
[MIPS] Remove superfluous "ifdef CONFIG_KGDB".

Given that the Makefiles involved already have conditional compilation of
 the form:

  obj-$(CONFIG_KGDB)      += dbg_io.o

there seems to be little value for the dbg_io.c source files to check
that config variable yet again.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] vpe_elfload and vpe_run are only used locally, make them static.
Ralf Baechle [Tue, 6 Feb 2007 16:53:17 +0000 (16:53 +0000)]
[MIPS] vpe_elfload and vpe_run are only used locally, make them static.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] SMTC: remove unused atomic_postclear
Ralf Baechle [Tue, 6 Feb 2007 16:53:16 +0000 (16:53 +0000)]
[MIPS] SMTC: remove unused atomic_postclear

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Move some kernel globals from asm file to C file.
Atsushi Nemoto [Tue, 23 Jan 2007 16:21:05 +0000 (01:21 +0900)]
[MIPS] Move some kernel globals from asm file to C file.

This get rid of some undesirable hole in BSS section due to random
order of placement.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Remove _fdata from asm-mips/sections.h
Atsushi Nemoto [Tue, 23 Jan 2007 13:29:06 +0000 (22:29 +0900)]
[MIPS] Remove _fdata from asm-mips/sections.h

There is no _fdata symbol in kernel.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Kconfig: Provide sane NR_CPUS defaults for more configurations
Ralf Baechle [Tue, 6 Feb 2007 16:53:15 +0000 (16:53 +0000)]
[MIPS] Kconfig: Provide sane NR_CPUS defaults for more configurations

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] vr41xx: Use symbolic names for IRQ numers
Yoichi Yuasa [Thu, 18 Jan 2007 13:27:11 +0000 (22:27 +0900)]
[MIPS] vr41xx: Use symbolic names for IRQ numers

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] use name instead of typename for each irq_chip
Atsushi Nemoto [Sun, 14 Jan 2007 15:07:25 +0000 (00:07 +0900)]
[MIPS] use name instead of typename for each irq_chip

The "typename" field was obsoleted by the "name" field.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Kconfig: Move some entries to appropriate menu
Atsushi Nemoto [Tue, 16 Jan 2007 14:29:11 +0000 (23:29 +0900)]
[MIPS] Kconfig: Move some entries to appropriate menu

Currently KEXEC is in "Machine selection", SECCOMP, PM, APM are in
"Executable file formats" menu.  Move KEXEC and SECCOMP to "Kernel
type" and PM, APM to new "Power management options" menu.  Also
replace "config PM" with kernel/power/Kconfig.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] vr41xx: add MACINT controls
Yoichi Yuasa [Thu, 11 Jan 2007 14:53:18 +0000 (23:53 +0900)]
[MIPS] vr41xx: add MACINT controls

This patch has added MACINT controls.
They are necessary for VR4133 ethernet driver.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] FLATMEM: introduce PHYS_OFFSET.
Franck Bui-Huu [Wed, 10 Jan 2007 08:44:05 +0000 (09:44 +0100)]
[MIPS] FLATMEM: introduce PHYS_OFFSET.

The old code was assuming that min_low_pfn was always 0. This
means that platforms having a big hole at their memory start
paid the price of wasting some memory for the allocation of
unused entries in mem_map[].

This patch prevents this waste.

It introduces PHYS_OFFSET define which is the start of the
physical memory and uses it wherever needed. Specially when
converting physical/virtual addresses into virtual/physical
ones.

Currently all platforms defines PHYS_OFFSET to 0.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Setup min_low_pfn/max_low_pfn correctly
Franck Bui-Huu [Wed, 10 Jan 2007 08:44:04 +0000 (09:44 +0100)]
[MIPS] Setup min_low_pfn/max_low_pfn correctly

This patch makes a better usage of these two globals.
'min_low_pfn' is now correctly setup for all configs, which
allow us to rely on it in boot memory code init.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Unify memset.S
Atsushi Nemoto [Sun, 17 Dec 2006 15:07:40 +0000 (00:07 +0900)]
[MIPS] Unify memset.S

The 32-bit version and 64-bit version are almost equal.  Unify them.
This makes further improvements (for example, supporting CDEX, etc.)
easier.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] prom_free_prom_memory cleanup
Atsushi Nemoto [Fri, 29 Dec 2006 15:43:59 +0000 (00:43 +0900)]
[MIPS] prom_free_prom_memory cleanup

Current prom_free_prom_memory() implementations are almost same as
free_init_pages(), or no-op.  Make free_init_pages() extern (again)
and make prom_free_prom_memory() use it.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Make I8259A_IRQ_BASE customizable
Atsushi Nemoto [Sun, 14 Jan 2007 14:41:42 +0000 (23:41 +0900)]
[MIPS] Make I8259A_IRQ_BASE customizable

Move I8259A_IRQ_BASE from asm/i8259.h to asm/mach-generic/irq.h and
make it really customizable.  And remove I8259_IRQ_BASE declared on
some platforms.  Currently only NEC_CMBVR4133 is using custom
I8259A_IRQ_BASE value.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Define MIPS_CPU_IRQ_BASE in generic header
Atsushi Nemoto [Sun, 7 Jan 2007 17:14:29 +0000 (02:14 +0900)]
[MIPS] Define MIPS_CPU_IRQ_BASE in generic header

The irq_base for {mips,rm7k,rm9k}_cpu_irq_init() are constant on all
platforms and are same value on most platforms (0 or 16, depends on
CONFIG_I8259).  Define them in asm-mips/mach-generic/irq.h and make
them customizable.  This will save a few cycle on each CPU interrupt.

A good side effect is removing some dependencies to MALTA in generic
SMTC code.

Although MIPS_CPU_IRQ_BASE is customizable, this patch changes irq
mappings on DDB5477, EMMA2RH and MIPS_SIM, since really customizing
them might cause some header dependency problem and there seems no
good reason to customize it.  So currently only VR41XX is using custom
MIPS_CPU_IRQ_BASE value, which is 0 regardless of CONFIG_I8259.

Testing this patch on those platforms is greatly appreciated.  Thank
you.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[MIPS] Remove unused rm9k_cpu_irq_disable()
Atsushi Nemoto [Sun, 7 Jan 2007 15:20:24 +0000 (00:20 +0900)]
[MIPS] Remove unused rm9k_cpu_irq_disable()

rm9k_cpu_irq_disable() is unused since commit
1603b5aca4f15b34848fb5594d0c7b6333b99144.  Remove it.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
15 years ago[S390] Avoid excessive inlining.
Heiko Carstens [Mon, 5 Feb 2007 20:18:53 +0000 (21:18 +0100)]
[S390] Avoid excessive inlining.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Mark kernel text section read-only.
Heiko Carstens [Mon, 5 Feb 2007 20:18:41 +0000 (21:18 +0100)]
[S390] Mark kernel text section read-only.

Set read-only flag in the page table entries for the kernel image text
section. This will catch all instruction caused corruptions withing the
text section.
Instruction replacement via kprobes still works, since it bypasses now
dynamic address translation.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Convert memory detection into C code.
Heiko Carstens [Mon, 5 Feb 2007 20:18:37 +0000 (21:18 +0100)]
[S390] Convert memory detection into C code.

Hopefully this will make it more maintainable and less error prone.
Code makes use of search_exception_tables(). Since it calls this
function before the kernel exeception table is sorted, there is an
early call to sort_main_extable().

This way it's easy to use the already present infrastructure of fixup
sections. Also this would allows to easily convert the rest of
head[31|64].S into C code.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Calibrate delay and bogomips.
Martin Schwidefsky [Mon, 5 Feb 2007 20:18:31 +0000 (21:18 +0100)]
[S390] Calibrate delay and bogomips.

Preset the bogomips number to the cpu capacity value reported by
store system information in SYSIB 1.2.2. This value is constant
for a particular machine model and can be used to determine
relative performance differences between machines.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Hypervisor filesystem (s390_hypfs) for z/VM
Michael Holzheu [Mon, 5 Feb 2007 20:18:29 +0000 (21:18 +0100)]
[S390] Hypervisor filesystem (s390_hypfs) for z/VM

This is an extension of the already existing hypfs for LPAR (DIAG 204).
Data returned by DIAG 2fc is exported using the s390_hypfs when Linux
is running under z/VM. Information about cpus and memory is provided.
Data is put into different virtual files which can be accessed from user
space. All values are represented as ASCII strings

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Add crypto support for 3592 tape devices
Michael Holzheu [Mon, 5 Feb 2007 20:18:26 +0000 (21:18 +0100)]
[S390] Add crypto support for 3592 tape devices

3592 tape devices are able to write data encrpyted on tape mediums.
This z/Linux device driver support includes the following functions:
 * ioctl to switch on/off encryption
 * ioctl to query encryption status of drive
 * ioctls to set and query key encrypting keys (kekls)
 * long busy interrupt handling

Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] boot from NSS support
Hongjie Yang [Mon, 5 Feb 2007 20:18:24 +0000 (21:18 +0100)]
[S390] boot from NSS support

Add support to boot from a named saved segment (NSS).

Signed-off-by: Hongjie Yang <hongjie@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Support for s390 Pseudo Random Number Generator
Jan Glauber [Mon, 5 Feb 2007 20:18:22 +0000 (21:18 +0100)]
[S390] Support for s390 Pseudo Random Number Generator

Starting with the z9 the CPU Cryptographic Assist Facility comes with
an integrated Pseudo Random Number Generator. The generator creates
random numbers by an algorithm similar to the ANSI X9.17 standard.
The pseudo-random numbers can be accessed via a character device driver
node called /dev/prandom. Similar to /dev/urandom any amount of bytes
can be read from the device without blocking.

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] ETR support.
Martin Schwidefsky [Mon, 5 Feb 2007 20:18:19 +0000 (21:18 +0100)]
[S390] ETR support.

This patch adds support for clock synchronization to an external time
reference (ETR). The external time reference sends an oscillator
signal and a synchronization signal every 2^20 microseconds to keep
the TOD clocks of all connected servers in sync. For availability
two ETR units can be connected to a machine. If the clock deviates
for more than the sync-check tolerance all cpus get a machine check
that indicates that the clock is out of sync. For the lovely details
how to get the clock back in sync see the code below.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] noexec protection
Gerald Schaefer [Mon, 5 Feb 2007 20:18:17 +0000 (21:18 +0100)]
[S390] noexec protection

This provides a noexec protection on s390 hardware. Our hardware does
not have any bits left in the pte for a hw noexec bit, so this is a
different approach using shadow page tables and a special addressing
mode that allows separate address spaces for code and data.

As a special feature of our "secondary-space" addressing mode, separate
page tables can be specified for the translation of data addresses
(storage operands) and instruction addresses. The shadow page table is
used for the instruction addresses and the standard page table for the
data addresses.
The shadow page table is linked to the standard page table by a pointer
in page->lru.next of the struct page corresponding to the page that
contains the standard page table (since page->private is not really
private with the pte_lock and the page table pages are not in the LRU
list).
Depending on the software bits of a pte, it is either inserted into
both page tables or just into the standard (data) page table. Pages of
a vma that does not have the VM_EXEC bit set get mapped only in the
data address space. Any try to execute code on such a page will cause a
page translation exception. The standard reaction to this is a SIGSEGV
with two exceptions: the two system call opcodes 0x0a77 (sys_sigreturn)
and 0x0aad (sys_rt_sigreturn) are allowed. They are stored by the
kernel to the signal stack frame. Unfortunately, the signal return
mechanism cannot be modified to use an SA_RESTORER because the
exception unwinding code depends on the system call opcode stored
behind the signal stack frame.

This feature requires that user space is executed in secondary-space
mode and the kernel in home-space mode, which means that the addressing
modes need to be switched and that the noexec protection only works
for user space.
After switching the addressing modes, we cannot use the mvcp/mvcs
instructions anymore to copy between kernel and user space. A new
mvcos instruction has been added to the z9 EC/BC hardware which allows
to copy between arbitrary address spaces, but on older hardware the
page tables need to be walked manually.

Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] move crypto options and some cleanup.
Jan Glauber [Mon, 5 Feb 2007 20:18:14 +0000 (21:18 +0100)]
[S390] move crypto options and some cleanup.

This patch moves the config options for the s390 crypto instructions
to the standard "Hardware crypto devices" menu. In addition some
cleanup has been done: use a flag for supported keylengths, add a
warning about machien limitation, return ENOTSUPP in case the
hardware has no support, remove superfluous printks and update
email addresses.

Signed-off-by: Jan Glauber <jan.glauber@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cio: Don't spam debug feature.
Cornelia Huck [Mon, 5 Feb 2007 20:17:56 +0000 (21:17 +0100)]
[S390] cio: Don't spam debug feature.

Lower priority of "Blacklisted device detected" messages so we don't
overwrite more useful messages.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Cleanup of CHSC event handling.
Peter Oberparleiter [Mon, 5 Feb 2007 20:17:42 +0000 (21:17 +0100)]
[S390] Cleanup of CHSC event handling.

Change CHSC event handling to be more easily extensible.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cio: declare hardware structures packed.
Peter Oberparleiter [Mon, 5 Feb 2007 20:17:40 +0000 (21:17 +0100)]
[S390] cio: declare hardware structures packed.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Add set_fs(USER_DS) to start_thread().
Heiko Carstens [Mon, 5 Feb 2007 20:17:38 +0000 (21:17 +0100)]
[S390] Add set_fs(USER_DS) to start_thread().

Currently works anyway since search_binary_handler has a
set_fs(USER_DS). But start_thread() is the place where this should be
done. Following all other architectures...

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cio: Catch operand exceptions on stsch.
Cornelia Huck [Mon, 5 Feb 2007 20:17:36 +0000 (21:17 +0100)]
[S390] cio: Catch operand exceptions on stsch.

If we have a subchannel id which has been generated via
for_each_subchannel(), it might contain an invalid subchannel set id.
We need to catch the ensuing operand exception by using stsch_err()
instead of stsch() in all possible cases.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Fix register usage description.
Heiko Carstens [Mon, 5 Feb 2007 20:17:34 +0000 (21:17 +0100)]
[S390] Fix register usage description.

Fix description of register usage as pointed out by Andreas Krebbel.
Since this document is completely outdated and would need a lot of
fixing, it might be worth considering to get rid of it...

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] kretprobe_trampoline_holder() in wrong section.
Heiko Carstens [Mon, 5 Feb 2007 20:17:32 +0000 (21:17 +0100)]
[S390] kretprobe_trampoline_holder() in wrong section.

kretprobe_trampoline_holder() is in kprobes section but used to
register a kprobe in arch_init_kprobes(). Hence register_kprobe()
and therefore arch_init_kprobes() will fail.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Fix kprobes breakpoint handling.
Heiko Carstens [Mon, 5 Feb 2007 20:17:29 +0000 (21:17 +0100)]
[S390] Fix kprobes breakpoint handling.

In case of an illegal op the die notifier gets called with DIE_TRAP
instead of DIE_BPT first.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Update maintainers file.
Martin Schwidefsky [Mon, 5 Feb 2007 20:17:27 +0000 (21:17 +0100)]
[S390] Update maintainers file.

Use the new linux-s390@vger.kernel.org mailing list instead of
linux-390@vm.marist.edu.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] dasd: fix unconditional reserve handling.
Horst Hummel [Mon, 5 Feb 2007 20:17:24 +0000 (21:17 +0100)]
[S390] dasd: fix unconditional reserve handling.

The reserve/release IOCTLs sometimes do not work. If second system
does a 'steal lock' the pending unit check (Format 3 Msg F) is
delivered. Since ERP is disabled for reserve/release, the IOCTL call
fails. We have to allow basic ERP (retries) for reserve/release IOCTLs.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Remove dasd_ccw_log function.
Horst Hummel [Mon, 5 Feb 2007 20:17:22 +0000 (21:17 +0100)]
[S390] Remove dasd_ccw_log function.

Logging of relevant information is already done by disciplines
dump_sense function.

Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Small barrier() and cpu_relax() cleanup.
Heiko Carstens [Mon, 5 Feb 2007 20:17:20 +0000 (21:17 +0100)]
[S390] Small barrier() and cpu_relax() cleanup.

cpu_relax() has barrier() semantics hence there is no need to use both
of them in conjunction in sclp_sync_wait(). Also change cpu_relax()
so it's more obvious that it has barrier semantics.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cio: Use device_{create,remove}_bin_file.
Cornelia Huck [Mon, 5 Feb 2007 20:17:18 +0000 (21:17 +0100)]
[S390] cio: Use device_{create,remove}_bin_file.

Create/remove the channel measurement binary files with
device_{create,remove}_bin_file instead of sysfs_{create,remove}_bin_file.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] sclp: don't call local_bh_disable/_local_bh_enable if in_interrupt()
Heiko Carstens [Mon, 5 Feb 2007 20:17:16 +0000 (21:17 +0100)]
[S390] sclp: don't call local_bh_disable/_local_bh_enable if in_interrupt()

local_bh_disable/_local_bh_enable must not be called if in_irq() is
true. Besides that if in_interrupt() is true bottom halves are
disabled anyway.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Show loaded DCSS segments under /proc/iomem.
Gerald Schaefer [Mon, 5 Feb 2007 20:17:11 +0000 (21:17 +0100)]
[S390] Show loaded DCSS segments under /proc/iomem.

Currently loaded DCSS segments are now listed in /proc/iomem with
their name followed by a trailing "(DCSS)".

Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cio: Restart path verification after unsolicited interrupt.
Cornelia Huck [Mon, 5 Feb 2007 20:17:09 +0000 (21:17 +0100)]
[S390] cio: Restart path verification after unsolicited interrupt.

If we try to start path verification when an unsolicited interrupt
is already pending, stctl shows status pending and we delay path
verification again. We need to check for the doverify bit when the
unsolicited interrupt comes in and then do path verification.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Fix FCP dump feature detection.
Heiko Carstens [Mon, 5 Feb 2007 20:17:07 +0000 (21:17 +0100)]
[S390] Fix FCP dump feature detection.

FCP dump feature detection works only if the sclp command in head.S
was succesful. Since the sclp command is skipped if diag260 works,
we don't have any dump feature detection anymore.
Bug was introduced with d57de5a36791cb1b7285649c62f183b0d3505f7d.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] dasd: fix bug in dasd initialization cleanup
Stefan Weinhuber [Mon, 5 Feb 2007 20:17:04 +0000 (21:17 +0100)]
[S390] dasd: fix bug in dasd initialization cleanup

The initialization of the dasd_eer code is one of the last steps of the
dasd driver initialization. When initialization fails in one of the
earlier steps, the dasd_exit function is called to clean up what has been
done so far. So the dasd_eer_exit function may be called, although the
dasd_eer_init function wasn't called before and dasd_eer_exit tries to
unregister a misc device that wasn't registered, which results in a BUG.

Make sure that dasd_eer_exit can be called without initialization. Use a
dynamically allocated struct miscdevice instead of a static one, so we
only try to unregister the device if it exists and was actually registered.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] sclp: invalid handling of temporary 'not operational' status
Peter Oberparleiter [Mon, 5 Feb 2007 20:17:00 +0000 (21:17 +0100)]
[S390] sclp: invalid handling of temporary 'not operational' status

Requests are aborted when the sclp interface reports 'not operational'
even though they may still be active at the sclp, leading to concurrent
writes to request memory by both the kernel and the sclp interface.
Do not abort requests for which the sclp interface reports not
operational status during request retry.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>5A
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Simplify virt_to_phys.
Heiko Carstens [Mon, 5 Feb 2007 20:16:58 +0000 (21:16 +0100)]
[S390] Simplify virt_to_phys.

No need to use lrag in 64 bit addressing mode since lra will do the
same.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cio: Remove check for ssd in chpids_show().
Cornelia Huck [Mon, 5 Feb 2007 20:16:56 +0000 (21:16 +0100)]
[S390] cio: Remove check for ssd in chpids_show().

Since ssd_info is now available before the subchannel is registered,
we don't need to check whether it is available.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] cpcmd with vmalloc addresses.
Christian Borntraeger [Mon, 5 Feb 2007 20:16:54 +0000 (21:16 +0100)]
[S390] cpcmd with vmalloc addresses.

Change the bounce buffer logic of cpcmd. diag8 needs _real_ memory below
2GB. Therefore vmalloced data does not work. As the data might cross a
page boundary, we cannot use virt_to_page either. The solution is to use
virt_to_page only in the check for a bounce buffer.

There was a redundant check for response==NULL. response < 2GB contains
this check as well.

I also removed the rlen==0 check, since rlen=0 and response!=NULL would
be a caller bug and response==NULL is already checked.

Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Remove pointless/unreliable kernel messages.
Heiko Carstens [Mon, 5 Feb 2007 20:16:52 +0000 (21:16 +0100)]
[S390] Remove pointless/unreliable kernel messages.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Check the return value of kthread_run().
Akinobu Mita [Mon, 5 Feb 2007 20:16:49 +0000 (21:16 +0100)]
[S390] Check the return value of kthread_run().

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Get rid of a lot of sparse warnings.
Heiko Carstens [Mon, 5 Feb 2007 20:16:47 +0000 (21:16 +0100)]
[S390] Get rid of a lot of sparse warnings.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years ago[S390] Move init_irq_proc to the other irq related functions.
Heiko Carstens [Mon, 5 Feb 2007 20:16:44 +0000 (21:16 +0100)]
[S390] Move init_irq_proc to the other irq related functions.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
15 years agoIB/ehca: Remove obsolete prototypes
Hoang-Nam Nguyen [Tue, 23 Jan 2007 23:14:18 +0000 (00:14 +0100)]
IB/ehca: Remove obsolete prototypes

Remove prototypes for functions that don't exist.

Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agoIB/ehca: Remove use of do_mmap()
Hoang-Nam Nguyen [Tue, 23 Jan 2007 23:13:35 +0000 (00:13 +0100)]
IB/ehca: Remove use of do_mmap()

This patch removes do_mmap() from ehca:
 - Call remap_pfn_range() for hardware register block
 - Use vm_insert_page() to register memory allocated for completion
   queues and queue pairs
 - The actual mmap() call/trigger is now controlled by user space,
   ie. libehca

Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agoRDMA/addr: Handle ethernet neighbour updates during route resolution
Steve Wise [Wed, 24 Jan 2007 01:03:17 +0000 (19:03 -0600)]
RDMA/addr: Handle ethernet neighbour updates during route resolution

The iWARP connection manager uses the ib_addr services to do route
resolution (neighbour discovery in the IP world).  The ib_addr
netevent callback routine, however, currently only acts on InfiniBand
neighbour updates.  It needs to act on ethernet neighbour updates as
well.

This patch just removes filtering on device type altogether and will
trigger on any neighour updates where the nud_type is valid.  This
simplifies the code some.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agoIB: Make sure struct ib_user_mad.data is aligned
Jason Gunthorpe [Fri, 19 Jan 2007 18:58:49 +0000 (11:58 -0700)]
IB: Make sure struct ib_user_mad.data is aligned

Make the untyped data region in ib_user_mad have type u64 so that it
gets aligned properly.  This avoids alignment faults in ib_umad when
casting the data field to an rmpp_mad and accessing the 64-bit tid
field on architectures like ia64.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agoIB/srp: Don't wait for response when QP is in error state.
Ishai Rabinovitz [Tue, 16 Jan 2007 15:26:22 +0000 (17:26 +0200)]
IB/srp: Don't wait for response when QP is in error state.

When there is a call to send_tsk_mgmt SRP posts a send and waits for 5
seconds to get a response.

When the QP is in the error state it is obvious that there will be no
response so it is quite useless to wait.  In fact, the timeout causes
SRP to wait a long time to reconnect when a QP error occurs. (Each
abort and each reset_device calls send_tsk_mgmt, which waits for the
timeout).  The following patch solves this problem by identifying the
failure and returning an immediate error code.

Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agoIB: Return qp pointer as part of ib_wc
Michael S. Tsirkin [Sun, 31 Dec 2006 19:09:42 +0000 (21:09 +0200)]
IB: Return qp pointer as part of ib_wc

struct ib_wc currently only includes the local QP number: this matches
the IB spec, but seems mostly useless. The following patch replaces
this with the pointer to qp itself, and updates all low level drivers
and all users.

This has the following advantages:
- Ability to get a per-qp context through wc->qp->qp_context
- Existing drivers already have the qp pointer ready in poll cq, so
  this change actually saves a tiny bit (extra memory read) on data path
  (for ehca it would actually be expensive to find the QP pointer when
  polling a CQ, but ehca does not support SRQ so we can leave wc->qp as
  NULL for ehca)
- Users that need the QP number can still get it through wc->qp->qp_num

Use case:

In IPoIB connected mode code, I have a common CQ shared by multiple
QPs.  To track connection usage, I need a way to get at some per-QP
context upon the completion, and I would like to avoid allocating
context object per work request just to stick a QP pointer into it.
With this code, I can just use wc->qp->qp_context.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agoIB: Include <linux/kref.h> explicitly in <rdma/ib_verbs.h>
Michael S. Tsirkin [Sun, 4 Feb 2007 22:11:55 +0000 (14:11 -0800)]
IB: Include <linux/kref.h> explicitly in <rdma/ib_verbs.h>

<rdma/ib_verbs.h> uses struct kref, so it should include <linux/kref.h>
explicitly to avoid hidden include dependencies.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
15 years agommc: tifm: replace kmap with page_address
Pierre Ossman [Sat, 3 Feb 2007 12:36:41 +0000 (13:36 +0100)]
mmc: tifm: replace kmap with page_address

Since we actively avoid highmem, calling kmap_atomic() instead
of page_address() is effectively only obfuscation.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
15 years agommc: sdhci: fix voltage ocr
Pierre Ossman [Fri, 2 Feb 2007 21:41:41 +0000 (22:41 +0100)]
mmc: sdhci: fix voltage ocr

Some bad if-clauses caused the driver to just report the highest
supported voltage, not all.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
15 years agommc: sdhci: replace kmap with page_address
Pierre Ossman [Fri, 2 Feb 2007 17:27:42 +0000 (18:27 +0100)]
mmc: sdhci: replace kmap with page_address

Since we actively avoid highmem, calling kmap_atomic() instead
of page_address() is effectively only obfuscation.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
15 years agommc: wbsd: replace kmap with page_address
Pierre Ossman [Wed, 31 Jan 2007 17:20:48 +0000 (18:20 +0100)]
mmc: wbsd: replace kmap with page_address

Since we actively avoid highmem, calling kmap_atomic() instead
of page_address() is effectively only obfuscation.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
15 years agommc: handle pci_enable_device() return value in sdhci
Pierre Ossman [Tue, 30 Jan 2007 06:55:15 +0000 (07:55 +0100)]
mmc: handle pci_enable_device() return value in sdhci

Make sure we report back any errors from pci_enable_device().

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
15 years agommc: Proper unclaim in mmc_block
Pierre Ossman [Tue, 30 Jan 2007 06:48:04 +0000 (07:48 +0100)]
mmc: Proper unclaim in mmc_block

Make sure we release the claim on the host even on failure.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>