10 years agotcp: fix retrans_out leaks
Ilpo Järvinen [Sun, 1 Mar 2009 08:21:36 +0000]
tcp: fix retrans_out leaks

There's conflicting assumptions in shifting, the caller assumes
that dupsack results in S'ed skbs (or a part of it) for sure but
never gave a hint to tcp_sacktag_one when dsack is actually in
use. Thus DSACK retrans_out -= pcount was not taken and the
counter became out of sync. Remove obstacle from that information
flow to get DSACKs accounted in tcp_sacktag_one as expected.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Tested-by: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonet headers: export dcbnl.h
Chris Leech [Fri, 27 Feb 2009 10:01:42 +0000]
net headers: export dcbnl.h

The DCB netlink interface is required for building the userspace tools
available at e1000.sourceforge.net

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonet headers: cleanup dcbnl.h
Chris Leech [Fri, 27 Feb 2009 10:01:36 +0000]
net headers: cleanup dcbnl.h

1) add an include for <linux/types.h>
2) change dcbmsg.dcb_family from unsigned char to __u8 to be more
   consistent with use of kernel types

Signed-off-by: Chris Leech <christopher.leech@intel.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonetpoll: Add drop checks to all entry points
Herbert Xu [Sun, 1 Mar 2009 08:11:52 +0000]
netpoll: Add drop checks to all entry points

The netpoll entry checks are required to ensure that we don't
receive normal packets when invoked via netpoll.  Unfortunately
it only ever worked for the netif_receive_skb/netif_rx entry
points.  The VLAN (and subsequently GRO) entry point didn't
have the check and therefore can trigger all sorts of weird
problems.

This patch adds the netpoll check to all entry points.

I'm still uneasy with receiving at all under netpoll (which
apparently is only used by the out-of-tree kdump code).  The
reason is it is perfectly legal to receive all data including
headers into highmem if netpoll is off, but if you try to do
that with netpoll on and someone gets a printk in an IRQ handler
you're going to get a nice BUG_ON.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoMerge branch 'master' of /home/davem/src/GIT/linux-2.6/
David S. Miller [Sat, 28 Feb 2009 23:36:58 +0000]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

10 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Sat, 28 Feb 2009 23:34:24 +0000]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
Linus Torvalds [Sat, 28 Feb 2009 00:49:46 +0000]
Merge git://git./linux/kernel/git/gregkh/staging-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
  Staging: w35und: fix usb_control_msg() error handling in wb35_probe()
  Staging: w35und: fix registration with wlan stack
  Staging: panel: fix oops on panel_cleanup_module
  Staging: rtl8187se: Fix oops and memory poison caused by builtin ieee80211.
  Staging: rtl8187se: fix Kconfig dependencies

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
Linus Torvalds [Sat, 28 Feb 2009 00:49:26 +0000]
Merge git://git./linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (21 commits)
  USB: musb: fix srp sysfs entry deletion
  USB: musb: resume suspended root hub on disconnect
  USB: musb: use right poll limit for low speed devices
  USB: musb: be careful with 64K+ transfer lengths, host side
  USB: musb: fix data toggle saving with shared FIFO
  USB: musb: host endpoint_disable() oops fixes
  USB: musb: fix urb_dequeue() method
  USB: musb: fix musb_host_tx() for shared endpoint FIFO
  USB: musb: be careful with 64K+ transfer lengths (gadget side)
  usb: musb: make Davinci *work* in mainline
  USB: usb_get_string should check the descriptor type
  USB: gadget: fix build error in omap_apollon_2420_defconfig
  USB: g_file_storage: automatically disable stalls under Atmel
  USB: usb-storage: add IGNORE_RESIDUE flag for Genesys Logic adapters
  USB: Quirk for Hummingbird huc56s / Conexant ACM modem
  USB: serial: add support for second revision of Ericsson F3507G WWAN card
  USB: cdc-acm: add usb id for motomagx phones
  USB: option: add BenQ 3g modem information
  usb: gadget: obex: select correct ep descriptors
  USB: EHCI: slow down ITD reuse
  ...

10 years agoMerge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Linus Torvalds [Sat, 28 Feb 2009 00:48:33 +0000]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  Revert "MIPS: Print irq handler description"
  MIPS: CVE-2009-0029: Enable syscall wrappers.
  MIPS: Alchemy: In plat_time_init() t reaches -1, tested: 0
  MIPS: Only allow Cavium OCTEON to be configured for boards that support it

10 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sat, 28 Feb 2009 00:43:05 +0000]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: enable DMAR by default
  xen: disable interrupts early, as start_kernel expects
  gpu/drm, x86, PAT: io_mapping_create_wc and resource_size_t
  gpu/drm, x86, PAT: Handle io_mapping_create_wc() errors in a clean way
  x86, Voyager: fix compile by lifting the degeneracy of phys_cpu_present_map
  x86, doc: fix references to Documentation/x86/i386/boot.txt

10 years agoMerge branch 'sh/for-2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
Linus Torvalds [Sat, 28 Feb 2009 00:40:00 +0000]
Merge branch 'sh/for-2.6.29' of git://git./linux/kernel/git/lethal/sh-2.6

* 'sh/for-2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: ap325rxa: Revert ov772x support.
  serial: sh-sci: fix overrun error handling for SH7785 SCIF.
  sh: Storage class should be before const qualifier

10 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Sat, 28 Feb 2009 00:28:18 +0000]
Merge branch 'for_linus' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
  V4L/DVB (10696): Remove outdated README for the flexcop-driver
  V4L/DVB (10695): Update Technisat card documentation
  V4L/DVB (10694): [PATCH] software IRQ watchdog for Flexcop B2C2 DVB PCI cards
  V4L/DVB (10663): soc-camera: fix S_CROP breakage on PXA and SuperH
  V4L/DVB (10659): em28xx: register device to soundcard for sysfs

10 years agoFix FREEZE/THAW compat_ioctl regression
Christoph Hellwig [Thu, 26 Feb 2009 20:32:51 +0000]
Fix FREEZE/THAW compat_ioctl regression

Commit 8e961870bb9804110d5c8211d5d9d500451c4518 removed the FREEZE/THAW
handling in xfs_compat_ioctl but never added any compat handler back, so
now any freeze/thaw request from a 32-bit binary ond 64-bit userspace
will fail.

As these ioctls are 32/64-bit compatible two simple COMPATIBLE_IOCTL
entries in fs/compat_ioctl.c will do the job.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agohpilo: new pci device
David Altobelli [Fri, 27 Feb 2009 22:03:09 +0000]
hpilo: new pci device

Future iLO devices will have an HP vendor id.

Signed-off-by: David Altobelli <david.altobelli@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: version 0.28
Andy Whitcroft [Fri, 27 Feb 2009 22:03:09 +0000]
checkpatch: version 0.28

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: add __ref as a sparse modifier
Andy Whitcroft [Fri, 27 Feb 2009 22:03:08 +0000]
checkpatch: add __ref as a sparse modifier

Add __ref as a sparse modifier.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: extend attribute testing to all modifiers
Andy Whitcroft [Fri, 27 Feb 2009 22:03:08 +0000]
checkpatch: extend attribute testing to all modifiers

We should allow testing of all modifiers not just attributes.  Extend
testing and test for all the know modifiers.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: a modifier is not an identifier at the end of a type
Andy Whitcroft [Fri, 27 Feb 2009 22:03:08 +0000]
checkpatch: a modifier is not an identifier at the end of a type

We must make sure we do not misrecognise a modifier as an Identifier
when trying to match types.  Prevent us matching this:

void * __ref

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: pointer type star may have modifiers following
Andy Whitcroft [Fri, 27 Feb 2009 22:03:07 +0000]
checkpatch: pointer type star may have modifiers following

We may have any modifier following a pointer type star.  Handle this:

void * __user * __user foo;

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: correctly handle type spacing in the face of modifiers
Andy Whitcroft [Fri, 27 Feb 2009 22:03:07 +0000]
checkpatch: correctly handle type spacing in the face of modifiers

We need to handle interspersed modifiers in the middle of pointer types,
for example:

void * __user * __user bar;

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: do not warn about -p0 patches when checking files
Andy Whitcroft [Fri, 27 Feb 2009 22:03:06 +0000]
checkpatch: do not warn about -p0 patches when checking files

We are triggering the -p0 check for our own diffs generated using --file
command line option.  Suppress this check for files.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agocheckpatch: make in_atomic ok in the core
Andy Whitcroft [Fri, 27 Feb 2009 22:03:05 +0000]
checkpatch: make in_atomic ok in the core

We say that in_atomic() is ok in the core kernel, but then always report
it regardless of where in the kernel it is.  Keep quiet if it is used in
kernel/*.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomm: fix lazy vmap purging (use-after-free error)
Vegard Nossum [Fri, 27 Feb 2009 22:03:04 +0000]
mm: fix lazy vmap purging (use-after-free error)

I just got this new warning from kmemcheck:

    WARNING: kmemcheck: Caught 32-bit read from freed memory (c7806a60)
    a06a80c7ecde70c1a04080c700000000a06709c1000000000000000000000000
     f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f
     ^

    Pid: 0, comm: swapper Not tainted (2.6.29-rc4 #230)
    EIP: 0060:[<c1096df7>] EFLAGS: 00000286 CPU: 0
    EIP is at __purge_vmap_area_lazy+0x117/0x140
    EAX: 00070f43 EBX: c7806a40 ECX: c1677080 EDX: 00027b66
    ESI: 00002001 EDI: c170df0c EBP: c170df00 ESP: c178830c
     DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    CR0: 80050033 CR2: c7806b14 CR3: 01775000 CR4: 00000690
    DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
    DR6: 00004000 DR7: 00000000
     [<c1096f3e>] free_unmap_vmap_area_noflush+0x6e/0x70
     [<c1096f6a>] remove_vm_area+0x2a/0x70
     [<c1097025>] __vunmap+0x45/0xe0
     [<c10970de>] vunmap+0x1e/0x30
     [<c1008ba5>] text_poke+0x95/0x150
     [<c1008ca9>] alternatives_smp_unlock+0x49/0x60
     [<c171ef47>] alternative_instructions+0x11b/0x124
     [<c171f991>] check_bugs+0xbd/0xdc
     [<c17148c5>] start_kernel+0x2ed/0x360
     [<c171409e>] __init_begin+0x9e/0xa9
     [<ffffffff>] 0xffffffff

It happened here:

    $ addr2line -e vmlinux -i c1096df7
    mm/vmalloc.c:540

Code:

list_for_each_entry(va, &valist, purge_list)
__free_vmap_area(va);

It's this instruction:

    mov    0x20(%ebx),%edx

Which corresponds to a dereference of va->purge_list.next:

    (gdb) p ((struct vmap_area *) 0)->purge_list.next
    Cannot access memory at address 0x20

It seems that we should use "safe" list traversal here, as the element
is freed inside the loop. Please verify that this is the right fix.

Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: <stable@kernel.org> [2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agomm: vmap fix overflow
Nick Piggin [Fri, 27 Feb 2009 22:03:03 +0000]
mm: vmap fix overflow

The new vmap allocator can wrap the address and get confused in the case
of large allocations or VMALLOC_END near the end of address space.

Problem reported by Christoph Hellwig on a 32-bit XFS workload.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Reported-by: Christoph Hellwig <hch@lst.de>
Cc: <stable@kernel.org> [2.6.28.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoFix recursive lock in free_uid()/free_user_ns()
David Howells [Fri, 27 Feb 2009 22:03:03 +0000]
Fix recursive lock in free_uid()/free_user_ns()

free_uid() and free_user_ns() are corecursive when CONFIG_USER_SCHED=n,
but free_user_ns() is called from free_uid() by way of uid_hash_remove(),
which requires uidhash_lock to be held.  free_user_ns() then calls
free_uid() to complete the destruction.

Fix this by deferring the destruction of the user_namespace.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agow1: add missing Kconfig/Makefile entries for DS2431 slave driver
Herton Ronaldo Krzesinski [Fri, 27 Feb 2009 22:03:00 +0000]
w1: add missing Kconfig/Makefile entries for DS2431 slave driver

Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoEXPORT_SYMBOL(d_obtain_alias) rather than EXPORT_SYMBOL_GPL
Benny Halevy [Fri, 27 Feb 2009 22:02:59 +0000]
EXPORT_SYMBOL(d_obtain_alias) rather than EXPORT_SYMBOL_GPL

Commit 4ea3ada2955e4519befa98ff55dd62d6dfbd1705 declares d_obtain_alias()
as EXPORT_SYMBOL_GPL where it's supposed to replace d_alloc_anon which was
previously declared as EXPORT_SYMBOL and thus available to any loadable
module.

This patch reverts that.

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agow1_ds2433: clear the validcrc flag after a write
Ben Gardner [Fri, 27 Feb 2009 22:02:58 +0000]
w1_ds2433: clear the validcrc flag after a write

The w1_ds2433 driver does not read from the hardware if the CRC was valid
on the last read.  The validcrc flag should be cleared after a write so
that the new value can be read.

Signed-off-by: Ben Gardner <gardner.ben@gmail.com>
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoUSB: musb: fix srp sysfs entry deletion
Vikram Pandita [Sat, 21 Feb 2009 23:31:44 +0000]
USB: musb: fix srp sysfs entry deletion

The SRP sysfs attribute is dependent on gadget mode; any
gadget may support SRP.  But "rmmod musb_hdrc" didn't
remove that attribute; fix.

Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Acked-by: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: resume suspended root hub on disconnect
Anand Gadiyar [Sat, 21 Feb 2009 23:31:40 +0000]
USB: musb: resume suspended root hub on disconnect

If this is not done, khubd will not be informed of the disconnect
and will assume the device is still there.

Easily seen when a hub is connected with no device attached to it;
it will autosuspend.  When the hub is disconnected, it still shows
up in /proc/bus/usb/devices

Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: use right poll limit for low speed devices
Sergei Shtylyov [Sat, 21 Feb 2009 23:31:35 +0000]
USB: musb: use right poll limit for low speed devices

Remove wrongly applied upper limit on the interrupt transfer
interval for low speed devices (not much of an error per se,
according to USB specs).

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: be careful with 64K+ transfer lengths, host side
Sergei Shtylyov [Sat, 21 Feb 2009 23:31:23 +0000]
USB: musb: be careful with 64K+ transfer lengths, host side

Feeding 32-bit length cast down to 'u16' to min() to calculate the FIFO
count in musb_host_tx() risks sending a short packet prematurely for
transfer sizes over 64 KB.

Similarly, although data transfer size shouldn't exceed 65535 bytes for
the control endpoint, making musb_h_ep0_continue() more robust WRT URBs
with possibly oversized buffer will not hurt either...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: fix data toggle saving with shared FIFO
Sergei Shtylyov [Sat, 21 Feb 2009 23:31:13 +0000]
USB: musb: fix data toggle saving with shared FIFO

For some strange reason the host side musb_giveback() decides
that it's always got an IN transfer when the hardware endpoint
is using a shared FIFO.  This causes musb_save_toggle() to read
the toggle state from the RXCSR register instead of TXCSR, and
may also cause unneeded reloading of RX endpoint registers.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: host endpoint_disable() oops fixes
Sergei Shtylyov [Sat, 21 Feb 2009 23:31:01 +0000]
USB: musb: host endpoint_disable() oops fixes

The musb_h_disable() routine can oops in some cases:

 - It's not safe to read hep->hcpriv outside musb->lock,
   since it gets changed on completion IRQ paths.

 - The list iterators aren't safe to use in that way;
   just remove the first element while !list_empty(),
   so deletions on other code paths can't make trouble.

We need two "scrub the list" loops because only one branch
should touch hardware and advance the schedule.

[ dbrownell@users.sourceforge.net: massively simplify
  patch description; add key points as code comments ]

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: fix urb_dequeue() method
Sergei Shtylyov [Sat, 21 Feb 2009 23:30:45 +0000]
USB: musb: fix urb_dequeue() method

The urb_dequeue() method forgets to unlink 'struct musb_qh' from the
control or bulk schedules when the URB being cancelled is the only
one queued to its endpoint.  That will cause musb_advance_schedule()
to block once it reaches 'struct musb_qh' with now empty URB list, so
URBs queued for other endpoints after the one being dequeued will not
be served.

Fix by unlinking the QH from the list except when it's already being
handled (typically by musb_giveback).  Since a QH with an empty URB
list is now supposed to be freed, do that.  And remove a now-useless
check from musb_advance_schedule().

[ dbrownell@users.sourceforge.net: update patch description,
  and fold in a dequeue() comment patch ]

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: fix musb_host_tx() for shared endpoint FIFO
Dmitry Krivoschekov [Sat, 21 Feb 2009 23:30:15 +0000]
USB: musb: fix musb_host_tx() for shared endpoint FIFO

The input queue should be used for TX on endpoints which
share FIFO hardware.  The host TX path wasn't doing that.

Shared FIFOs are most often configured for periodic endpoints,
which are mostly used for RX/IN transfers ... that's probably
how this bug managed to linger for a long time.

[ dbrownell@users.sourceforge.net: update patch description ]

Signed-off-by: Dmitry Krivoschekov <dkrivoschekov@ru.mvista.com>
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: musb: be careful with 64K+ transfer lengths (gadget side)
Felipe Balbi [Sat, 21 Feb 2009 23:29:42 +0000]
USB: musb: be careful with 64K+ transfer lengths (gadget side)

request->actual is an unsigned and we should use the same
variable type for fifo_count otherwise we might lose some
data if request->length >= 64kbytes.

[ dbrownell@users.sourceforge.net: fix compiler warning ]

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agousb: musb: make Davinci *work* in mainline
David Brownell [Fri, 20 Feb 2009 21:45:17 +0000]
usb: musb: make Davinci *work* in mainline

Now that the musb build fixes for DaVinci got merged (RC3?), kick in
the other bits needed to get it finally *working* in mainline:

 - Use clk_enable()/clk_disable() ... the "always enable USB clocks"
   code this originally relied on has since been removed.

 - Initialize the USB device only after the relevant I2C GPIOs are
   available, so the host side can properly enable VBUS.

 - Tweak init sequencing to cope with mainline's relatively late init
   of the I2C system bus for power switches, transceivers, and so on.

Sanity tested on DM6664 EVM for host and peripheral modes; that system
won't boot with CONFIG_PM enabled, so OTG can't yet be tested.  Also
verified on OMAP3.

(Unrelated:  correct the MODULE_PARM_DESC spelling of musb_debug.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: usb_get_string should check the descriptor type
Alan Stern [Fri, 20 Feb 2009 21:33:08 +0000]
USB: usb_get_string should check the descriptor type

This patch (as1218) fixes a problem with a radio-control joystick used
in the "walkera 4#3" helicopter.  This device responds to the initial
Get-String-Descriptor request for string 0 (which is really the list
of supported languages) by sending its config descriptor!  The
usb_get_string() routine needs to check whether it got the right
type of descriptor.

Oddly enough, this sort of check is already present in
usb_get_descriptor().  The patch changes the error code from -EPROTO
to -ENODATA, because -EPROTO shows up in so many other contexts to
indicate a hardware failure rather than a firmware error.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Guillermo Jarabo <williamjap@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

===================================================================

10 years agoUSB: gadget: fix build error in omap_apollon_2420_defconfig
David Brownell [Thu, 12 Feb 2009 06:31:12 +0000]
USB: gadget: fix build error in omap_apollon_2420_defconfig

In apollon case, it only used udc, so udc configuration should select
USB_OTG_UTILS also.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: g_file_storage: automatically disable stalls under Atmel
Alan Stern [Tue, 24 Feb 2009 21:19:47 +0000]
USB: g_file_storage: automatically disable stalls under Atmel

This patch (as1220) automatically disables stalls when g_file_storage
finds itself running with an Atmel device controller, because the
Atmel hardware/driver isn't capable of halting bulk endpoints
correctly.

Reported-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: usb-storage: add IGNORE_RESIDUE flag for Genesys Logic adapters
Alan Stern [Mon, 23 Feb 2009 17:02:05 +0000]
USB: usb-storage: add IGNORE_RESIDUE flag for Genesys Logic adapters

This patch (as1219) adds the IGNORE_RESIDUE flag to the unusual_devs
entries for Genesys Logic's USB-IDE adapter.  Although this device
usually gets the residue correct, there is one command crucial to the
operation of CD and DVD drives which it messes up.

Tested-by: Mike Lampard <mike@mtgambier.net>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: Quirk for Hummingbird huc56s / Conexant ACM modem
Adam Richter [Thu, 19 Feb 2009 00:17:15 +0000]
USB: Quirk for Hummingbird huc56s / Conexant ACM modem

Signed-off-by: Adam J. Richter <adam_richter2004@yahoo.com>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: serial: add support for second revision of Ericsson F3507G WWAN card
Patrik Kullman [Tue, 24 Feb 2009 21:38:53 +0000]
USB: serial: add support for second revision of Ericsson F3507G WWAN card

I noticed that my revision of the F3507G WWAN card isn't listed in
drivers/usb/serial/option.c

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: cdc-acm: add usb id for motomagx phones
Dmitriy Taychenachev [Wed, 25 Feb 2009 04:36:51 +0000]
USB: cdc-acm: add usb id for motomagx phones

The Motorola MOTOMAGX phones (Z6, E8, Zn5 so far) are providing
combined ACM/BLAN USB configuration. Since it has Vendor Specific
class, the corresponding drivers (cdc-acm, zaurus) can't find it just
by interface info. This patch adds usb id so the cdc-acm driver can
properly handle this combined device.

Signed-off-by: Dmitriy Taychenachev <dimichxp@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: option: add BenQ 3g modem information
Jesse Sung [Sat, 21 Feb 2009 05:13:45 +0000]
USB: option: add BenQ 3g modem information

This patch addes the BenQ 3g modem support to the option driver.

From: Jesse Sung <jsung@novell.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agousb: gadget: obex: select correct ep descriptors
Felipe Balbi [Tue, 10 Feb 2009 17:01:52 +0000]
usb: gadget: obex: select correct ep descriptors

We where selecting wrong ep descriptors causing
some troubles while sending files over obex interface.

The problem was a typo while usb_find_endpoint() was being
called for HS endpoints.

Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: EHCI: slow down ITD reuse
Karsten Wiese [Mon, 9 Feb 2009 00:07:58 +0000]
USB: EHCI: slow down ITD reuse

Currently ITDs are immediately recycled whenever their URB completes.
However, EHCI hardware can sometimes remember some ITD state.  This
means that when the ITD is reused before end-of-frame it may sometimes
cause the hardware to reference bogus state.

This patch defers reusing such ITDs by moving them into a new ehci member
cached_itd_list. ITDs resting in cached_itd_list are moved back into their
stream's free_list once scan_periodic() detects that the active frame has
elapsed.

This makes the snd_usb_us122l driver (in kernel since .28) work right
when it's hooked up through EHCI.

[ dbrownell@users.sourceforge.net: comment fixups ]

Signed-off-by: Karsten Wiese <fzu@wemgehoertderstaat.de>
Tested-by: Philippe Carriere <philippe-f.carriere@wanadoo.fr>
Tested-by: Federico Briata <federicobriata@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoUSB: fsl_usb2_udc: fix potential queue head corruption
Li Yang [Fri, 13 Feb 2009 08:14:39 +0000]
USB: fsl_usb2_udc: fix potential queue head corruption

Clear next TD field and status field in queue head initialization code
to prevent unpredictable result caused by residue of usb reset.

Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoStaging: w35und: fix usb_control_msg() error handling in wb35_probe()
Pekka Enberg [Fri, 30 Jan 2009 09:32:47 +0000]
Staging: w35und: fix usb_control_msg() error handling in wb35_probe()

If successful, the usb_control_msg() function returns the number of
bytes transferred. Fix up wb35_probe() to only bail out if the function returns
a negative number. Also, fix up ieee80211_alloc_hw() error code to ENOMEM;
otherwise GCC complains that err might be undefined (and is right about that).

Acked-by: Pavel Machek <pavel@suse.cz>
Reported-and-tested-by: Sandro Bonazzola <sandro.bonazzola@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoStaging: w35und: fix registration with wlan stack
Pavel Machek [Fri, 30 Jan 2009 09:05:25 +0000]
Staging: w35und: fix registration with wlan stack

Initialize few more fields in wireless device structure so that
wireless core actually accepts our registration.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoStaging: panel: fix oops on panel_cleanup_module
Costantino Leandro [Tue, 17 Feb 2009 16:10:48 +0000]
Staging: panel: fix oops on panel_cleanup_module

Check for null pardevice (not registered, ej: panel never attached,
inexistent parport, etc. )  before calling parport_release,
parport_unregister_device, and related funcs on module release.

Signed-off-by: Costantino Leandro <lcostantino@gmail.com>
Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoStaging: rtl8187se: Fix oops and memory poison caused by builtin ieee80211.
leandro Costantino [Tue, 17 Feb 2009 16:16:26 +0000]
Staging: rtl8187se: Fix oops and memory poison caused by builtin ieee80211.

when modprobe and removing rtl8187se ( just for testing, i do not have
that card , and oops and a memory poison error happens on the builtin
ieee80211 of that driver.  I dont know if they will port it to the
current ieeee80221 instead of the builtin ones, but just in case i
attach a proposed fix for that problem.

- Change for loop on ieee80211_crypto_deinit for list_for_each_safe to
  remove items. Is there an spinlock needed here?
- Call ieee80211_crypto_deinit after exiting all registerd crypto protocols.

Signed-off-by: Costantino Leandro <lcostantino@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoStaging: rtl8187se: fix Kconfig dependencies
Randy Dunlap [Wed, 11 Feb 2009 21:20:44 +0000]
Staging: rtl8187se: fix Kconfig dependencies

rtl8187se uses wireless extensions so it needs to depend on
WIRELESS_EXT (or select it).

rtl8187se uses fields in struct net_device that are only present
if CONFIG_COMPAT_NET_DEV_OPS=y, so it needs to depend on
that symbol also.

drivers/staging/rtl8187se/r8180_core.c:5973: error: 'struct net_device' has no member named 'wireless_handlers'
drivers/staging/rtl8187se/r8180_core.c:5982: error: 'struct net_device' has no member named 'wireless_handlers'

drivers/staging/rtl8187se/r8180_core.c:201: error: 'struct net_device' has no member named 'stop'
drivers/staging/rtl8187se/r8180_core.c:4584: error: 'struct net_device' has no member named 'get_stats'
drivers/staging/rtl8187se/r8180_core.c:5969: error: 'struct net_device' has no member named 'open'
drivers/staging/rtl8187se/r8180_core.c:5970: error: 'struct net_device' has no member named 'stop'
drivers/staging/rtl8187se/r8180_core.c:5972: error: 'struct net_device' has no member named 'tx_timeout'
drivers/staging/rtl8187se/r8180_core.c:5974: error: 'struct net_device' has no member named 'do_ioctl'
drivers/staging/rtl8187se/r8180_core.c:5975: error: 'struct net_device' has no member named 'set_multicast_list'
drivers/staging/rtl8187se/r8180_core.c:5976: error: 'struct net_device' has no member named 'set_mac_address'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

10 years agoRevert "MIPS: Print irq handler description"
Ralf Baechle [Fri, 27 Feb 2009 14:06:04 +0000]
Revert "MIPS: Print irq handler description"

This reverts commit 558d1de8ba9ebb1cc3f3062f1371b9330772164f.

10 years agoMIPS: CVE-2009-0029: Enable syscall wrappers.
Ralf Baechle [Sun, 8 Feb 2009 16:00:26 +0000]
MIPS: CVE-2009-0029: Enable syscall wrappers.

Thanks to David Daney helping with debugging and testing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David Daney <ddaney@caviumnetworks.com>

10 years agoMIPS: Alchemy: In plat_time_init() t reaches -1, tested: 0
Roel Kluin [Sat, 31 Jan 2009 11:23:34 +0000]
MIPS: Alchemy: In plat_time_init() t reaches -1, tested: 0

With a postfix decrement t reaches -1 rather than 0, so the fall-back will
not occur.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: mano@roarinelk.homelinux.net
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

10 years agoMIPS: Only allow Cavium OCTEON to be configured for boards that support it
David Daney [Mon, 2 Feb 2009 19:30:59 +0000]
MIPS: Only allow Cavium OCTEON to be configured for boards that support it

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
CC: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

10 years agogianfar: Do right check on num_txbdfree
Rini van Zetten [Fri, 27 Feb 2009 11:18:48 +0000]
gianfar: Do right check on num_txbdfree

This patch fixes a wrong check on num_txbdfree. It could lead to
num_txbdfree become nagative.  Result was that the gianfar stops
sending data.

Changes from first version :
- removed a space between parens (David Millers comment)
- full email address in signed off line

Signed-off-by: Rini van Zetten <rini@arvoo.nl>
Acked-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agopkt_sched: sch_drr: Fix oops in drr_change_class.
Jarek Poplawski [Fri, 27 Feb 2009 10:42:38 +0000]
pkt_sched: sch_drr: Fix oops in drr_change_class.

drr_change_class lacks a check for NULL of tca[TCA_OPTIONS], so oops
is possible.

Reported-by: Denys Fedoryschenko <denys@visp.net.lb>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agosh: ap325rxa: Revert ov772x support.
Paul Mundt [Fri, 27 Feb 2009 06:41:14 +0000]
sh: ap325rxa: Revert ov772x support.

This change depends on some v4l changes that have been pushed back to
2.6.30, so drop this and fall back on the old soc_camera code until then.

Reported-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Acked-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

10 years agob44: Disable device on shutdown
Michael Buesch [Fri, 27 Feb 2009 06:35:02 +0000]
b44: Disable device on shutdown

Disable the SSB core on device shutdown.
This has two advantages:
1) A clean device shutdown is always desired here, because we disable
  the device's global crystal in the next statement.
2) This fixes a bug where the device will come up with the enable-bit
  set on the next initialization (without a reboot inbetween).
  This causes breakage on the second initialization due to code that
  checks this bit (ssb_device_is_enabled() checks).

Reported-by: Pantelis Koukousoulas <pktoss@gmail.com>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agob44: Unconditionally enable interrupt routing on reset
Michael Buesch [Fri, 27 Feb 2009 06:33:00 +0000]
b44: Unconditionally enable interrupt routing on reset

Unconditionally setup the IRQ routing on chip reset.
It's safe to call ssb_pcicore_dev_irqvecs_enable() unconditionally, because
it has internal checks for redundant calls.

This fixes problems where hardware will not come up properly
due to quirks in the enable-bit hardware.

Reported-by: Pantelis Koukousoulas <pktoss@gmail.com>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agonet: fix hp-plus build error
Randy Dunlap [Fri, 27 Feb 2009 05:02:19 +0000]
net: fix hp-plus build error

hp-plus needs to call __alloc_eip_netdev() instead of
__alloc_ei_netdev() since it is linked with 8390p.o.

Fixes this build error:
ERROR: "__alloc_ei_netdev" [drivers/net/hp-plus.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoV4L/DVB (10696): Remove outdated README for the flexcop-driver
Uwe Bugla [Mon, 23 Feb 2009 13:56:11 +0000]
V4L/DVB (10696): Remove outdated README for the flexcop-driver

This patch removes an outdated README for the flexcop-driver.

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (10695): Update Technisat card documentation
Uwe Bugla [Mon, 23 Feb 2009 13:54:20 +0000]
V4L/DVB (10695): Update Technisat card documentation

Fixes for documentation of Technisat-based cards

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (10694): [PATCH] software IRQ watchdog for Flexcop B2C2 DVB PCI cards
Patrick Boettcher [Mon, 23 Feb 2009 09:27:16 +0000]
V4L/DVB (10694): [PATCH] software IRQ watchdog for Flexcop B2C2 DVB PCI cards

With (some) Technisat cards you cannot run multiple DVB applications
in parallel and switch the channel at the same time.

There seems to be a problem on the interfaces or even inside the flexcop-device
that can't handle interruption on the streaming interface.

This patch adds a watchdog to check whether data is supposed to come in
(streaming PIDs are requested) and if no data is seen within 400ms (default) it
resets the streaming/pid-filtering hardware.

This patch is urgently needed to support the rev 2.8 of the hardware and solves
problem occassionally seen on older hardware.

Signed-off-by: Uwe Bugla <uwe.bugla@gmx.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (10663): soc-camera: fix S_CROP breakage on PXA and SuperH
Guennadi Liakhovetski [Mon, 23 Feb 2009 15:11:25 +0000]
V4L/DVB (10663): soc-camera: fix S_CROP breakage on PXA and SuperH

Recent format-negotiation patches caused S_CROP breakage in pxa_camera.c
and sh_mobile_ceu_camera.c drivers, fix it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoV4L/DVB (10659): em28xx: register device to soundcard for sysfs
Nicola Soranzo [Thu, 19 Feb 2009 16:41:56 +0000]
V4L/DVB (10659): em28xx: register device to soundcard for sysfs

As explained in "Writing an ALSA driver" (T. Iwai), audio drivers should
set the struct device for the card before registering the card instance.
This will add the correct /sys/class/sound/cardN/device symlink, so HAL
can see the device and ConsoleKit sets its ACL permissions for the
logged-in user.

For em28xx audio capture cards found e.g. in Hauppauge WinTV-HVR-900 (R2),
this patch fixes errors like:

ALSA lib pcm_hw.c:1429:(_snd_pcm_hw_open) Invalid value for card
Error opening audio: Permission denied

when running mplayer as a normal user.

Signed-off-by: Nicola Soranzo <nsoranzo@tiscali.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

10 years agoMerge git://git.infradead.org/mtd-2.6
Linus Torvalds [Thu, 26 Feb 2009 22:45:57 +0000]
Merge git://git.infradead.org/mtd-2.6

* git://git.infradead.org/mtd-2.6:
  [MTD] [MAPS] Remove MODULE_DEVICE_TABLE() from ck804rom driver.
  [JFFS2] fix mount crash caused by removed nodes
  [JFFS2] force the jffs2 GC daemon to behave a bit better
  [MTD] [MAPS] blackfin async requires complex mappings
  [MTD] [MAPS] blackfin: fix memory leak in error path
  [MTD] [MAPS] physmap: fix wrong free and del_mtd_{partition,device}
  [MTD] slram: Handle negative devlength correctly
  [MTD] map_rom has NULL erase pointer
  [MTD] [LPDDR] qinfo_probe depends on lpddr

10 years agoMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfashe...
Linus Torvalds [Thu, 26 Feb 2009 22:45:42 +0000]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/mfasheh/ocfs2

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
  ocfs2: add IO error check in ocfs2_get_sector()
  ocfs2: set gap to seperate entry and value when xattr in bucket
  ocfs2: lock the metaecc process for xattr bucket
  ocfs2: Use the right access_* method in ctime update of xattr.
  ocfs2/dlm: Make dlm_assert_master_handler() kill itself instead of the asserter
  ocfs2/dlm: Use ast_lock to protect ast_list
  ocfs2: Cleanup the lockname print in dlmglue.c
  ocfs2/dlm: Retract fix for race between purge and migrate
  ocfs2: Access and dirty the buffer_head in mark_written.

10 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Thu, 26 Feb 2009 22:45:25 +0000]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/44x: Fix address decoding setup of PCI 2.x cells

10 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes...
Linus Torvalds [Thu, 26 Feb 2009 22:43:42 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/jbarnes/pci-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  PCI: AMD 813x B2 devices do not need boot interrupt quirk
  PCI: Enable PCIe AER only after checking firmware support
  PCI: pciehp: Handle interrupts that happen during initialization.
  PCI: don't enable too many HT MSI mappings
  PCI: add some sysfs ABI docs
  PCI quirk: enable MSI on 8132

10 years agopowerpc/44x: Fix address decoding setup of PCI 2.x cells
Benjamin Herrenschmidt [Sun, 1 Feb 2009 14:24:18 +0000]
powerpc/44x: Fix address decoding setup of PCI 2.x cells

The PCI 2.x cells used on some 44x SoCs only let us configure the decode
for the low 32-bit of the incoming PLB addresses. The top 4 bits (this
is a 36-bit bus) are hard wired to different values depending on the
specific SoC in use. Our code used to work "by accident" until I added
support for the ISA memory holes and while at it added more validity
checking of the addresses.

This patch should bring it back to working condition. It still relies
on the device-tree being correct but that's somewhat a pre-requisite
for anything to work anyway.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

10 years agoPCI: AMD 813x B2 devices do not need boot interrupt quirk
Stefan Assmann [Thu, 26 Feb 2009 18:46:48 +0000]
PCI: AMD 813x B2 devices do not need boot interrupt quirk

Turns out that the new AMD 813x devices do not need the
quirk_disable_amd_813x_boot_interrupt quirk to be run on them.  If it
is, no interrupts are seen on the PCI-X adapter.

From: Stefan Assmann <sassmann@novell.com>
Reported-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Tested-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@hobbes.lan>

10 years agolibertas: fix misuse of netdev_priv() and dev->ml_priv
Kiran Divekar [Fri, 20 Feb 2009 00:32:39 +0000]
libertas: fix misuse of netdev_priv() and dev->ml_priv

The mesh and radiotap interfaces need to use the same private data as
the main wifi interface.  If the main wifi interface uses netdev_priv(),
but the other interfaces ->ml_priv, there's no way to figure out where
the private data actually is in the WEXT handlers and netdevice
callbacks.  So make everything use ->ml_priv.

Fixes botched netdev_priv() conversion introduced by "netdevice
libertas: Fix directly reference of netdev->priv", though admittedly
libertas' use of ->priv was somewhat "special".

Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Tested-by: Chris Ball <cjb@laptop.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

10 years agox86: enable DMAR by default
Kyle McMartin [Thu, 26 Feb 2009 17:57:56 +0000]
x86: enable DMAR by default

Now that the obvious bugs have been worked out, specifically
the iwlagn issue, and the write buffer errata, DMAR should be safe
to turn back on by default. (We've had it on since those patches were
first written a few weeks ago, without any noticeable bug reports
(most have been due to the dma-api debug patchset.))

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

10 years ago[MTD] [MAPS] Remove MODULE_DEVICE_TABLE() from ck804rom driver.
David Woodhouse [Thu, 26 Feb 2009 19:51:33 +0000]
[MTD] [MAPS] Remove MODULE_DEVICE_TABLE() from ck804rom driver.

We really don't want the BIOS flash mapping hacks to get automatically
loaded.

No idea why it isn't using pci_register_driver() though -- that should
be fine... and is even _present_ but disabled by #if 0.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

10 years agoocfs2: add IO error check in ocfs2_get_sector()
wengang wang [Fri, 13 Feb 2009 02:11:47 +0000]
ocfs2: add IO error check in ocfs2_get_sector()

Check for IO error in ocfs2_get_sector().

Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2: set gap to seperate entry and value when xattr in bucket
Tiger Yang [Fri, 20 Feb 2009 03:11:50 +0000]
ocfs2: set gap to seperate entry and value when xattr in bucket

This patch set a gap (4 bytes) between xattr entry and
name/value when xattr in bucket. This gap use to seperate
entry and name/value when a bucket is full. It had already
been set when xattr in inode/block.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2: lock the metaecc process for xattr bucket
Tao Ma [Wed, 25 Feb 2009 01:40:26 +0000]
ocfs2: lock the metaecc process for xattr bucket

For other metadata in ocfs2, metaecc is checked in ocfs2_read_blocks
with io_mutex held. While for xattr bucket, it is calculated by
the whole buckets. So we have to add a spin_lock to prevent multiple
processes calculating metaecc.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Tested-by: Tristan Ye <tristan.ye@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2: Use the right access_* method in ctime update of xattr.
Tao Ma [Mon, 16 Feb 2009 20:39:28 +0000]
ocfs2: Use the right access_* method in ctime update of xattr.

In ctime updating of xattr, it use the wrong type of access for
inode, so use ocfs2_journal_access_di instead.

Reported-and-Tested-by: Tristan Ye <tristan.ye@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2/dlm: Make dlm_assert_master_handler() kill itself instead of the asserter
Sunil Mushran [Tue, 3 Feb 2009 20:37:16 +0000]
ocfs2/dlm: Make dlm_assert_master_handler() kill itself instead of the asserter

In dlm_assert_master_handler(), if we get an incorrect assert master from a node
that, we reply with EINVAL asking the asserter to die. The problem is that an
assert is sent after so many hoops, it is invariably the node that thinks the
asserter is wrong, is actually wrong. So instead of killing the asserter, this
patch kills the assertee.

This patch papers over a race that is still being addressed.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2/dlm: Use ast_lock to protect ast_list
Sunil Mushran [Tue, 3 Feb 2009 20:37:15 +0000]
ocfs2/dlm: Use ast_lock to protect ast_list

The code was using dlm->spinlock instead of dlm->ast_lock to protect the
ast_list. This patch fixes the issue.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2: Cleanup the lockname print in dlmglue.c
Sunil Mushran [Tue, 3 Feb 2009 20:37:14 +0000]
ocfs2: Cleanup the lockname print in dlmglue.c

The dentry lock has a different format than other locks. This patch fixes
ocfs2_log_dlm_error() macro to make it print the dentry lock correctly.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2/dlm: Retract fix for race between purge and migrate
Sunil Mushran [Tue, 3 Feb 2009 20:37:13 +0000]
ocfs2/dlm: Retract fix for race between purge and migrate

Mainline commit d4f7e650e55af6b235871126f747da88600e8040 attempts to delay
the dlm_thread from sending the drop ref message if the lockres is being
migrated. The problem is that we make the dlm_thread wait for the migration
to complete. This causes a deadlock as dlm_thread also participates in the
lockres migration process.

A better fix for the original oss bugzilla#1012 is in testing.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Acked-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoocfs2: Access and dirty the buffer_head in mark_written.
Tao Ma [Thu, 8 Jan 2009 23:32:48 +0000]
ocfs2: Access and dirty the buffer_head in mark_written.

In __ocfs2_mark_extent_written, when we meet with the situation
of c_split_covers_rec, the old solution just replace the extent
record and forget to access and dirty the buffer_head. This will
cause a problem when the unwritten extent is in an extent block.
So access and dirty it.

Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Linus Torvalds [Thu, 26 Feb 2009 18:37:00 +0000]
Merge git://git./linux/kernel/git/mason/btrfs-unstable

* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: try committing transaction before returning ENOSPC
  Btrfs: add better -ENOSPC handling

10 years agoMerge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
Linus Torvalds [Thu, 26 Feb 2009 18:36:35 +0000]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  xen/blkfront: use blk_rq_map_sg to generate ring entries
  block: reduce stack footprint of blk_recount_segments()
  cciss: shorten 30s timeout on controller reset
  block: add documentation for register_blkdev()
  block: fix bogus gcc warning for uninitialized var usage

10 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Thu, 26 Feb 2009 18:36:19 +0000]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Fix 64bit __copy_tofrom_user() regression
  powerpc: Fix 64bit memcpy() regression
  powerpc: Fix load/store float double alignment handler

10 years agoMake ieee1394_init a fs-initcall
Linus Torvalds [Thu, 26 Feb 2009 18:32:31 +0000]
Make ieee1394_init a fs-initcall

It needs to happen before any firewire driver actually registers itself,
and that was previously handled by having the Makefile list the core
ieee1394 files before the drivers.

But now there are firewire drivers in drivers/media, and the Makefile
games aren't enough.  So just make ieee1394_init happen earlier in the
init sequence, the way all other bus layers already do.

Reported-and-tested-by: Ingo Molnar <mingo@elte.hu>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Henrik Kurelid <henrik@kurelid.se>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Ben Backx <ben@bbackx.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

10 years agoipv6: don't use tw net when accounting for recycled tw
Pavel Emelyanov [Thu, 26 Feb 2009 11:35:13 +0000]
ipv6: don't use tw net when accounting for recycled tw

We already have a valid net in that place, but this is not just a
cleanup - the tw pointer can be NULL there sometimes, thus causing
an oops in NET_NS=y case.

The same place in ipv4 code already works correctly using existing
net, rather than tw's one.

The bug exists since 2.6.27.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

10 years agoxen/blkfront: use blk_rq_map_sg to generate ring entries
Jens Axboe [Tue, 24 Feb 2009 07:10:09 +0000]
xen/blkfront: use blk_rq_map_sg to generate ring entries

On occasion, the request will apparently have more segments than we
fit into the ring. Jens says:

> The second problem is that the block layer then appears to create one
> too many segments, but from the dump it has rq->nr_phys_segments ==
> BLKIF_MAX_SEGMENTS_PER_REQUEST. I suspect the latter is due to
> xen-blkfront not handling the merging on its own. It should check that
> the new page doesn't form part of the previous page. The
> rq_for_each_segment() iterates all single bits in the request, not dma
> segments. The "easiest" way to do this is to call blk_rq_map_sg() and
> then iterate the mapped sg list. That will give you what you are
> looking for.

> Here's a test patch, compiles but otherwise untested. I spent more
> time figuring out how to enable XEN than to code it up, so YMMV!
> Probably the sg list wants to be put inside the ring and only
> initialized on allocation, then you can get rid of the sg on stack and
> sg_init_table() loop call in the function. I'll leave that, and the
> testing, to you.

[Moved sg array into info structure, and initialize once. -J]

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

10 years agoblock: reduce stack footprint of blk_recount_segments()
Jens Axboe [Mon, 23 Feb 2009 08:03:10 +0000]
block: reduce stack footprint of blk_recount_segments()

blk_recalc_rq_segments() requires a request structure passed in, which
we don't have from blk_recount_segments(). So the latter allocates one on
the stack, using > 400 bytes of stack for that. This can cause us to spill
over one page of stack from ext4 at least:

 0)     4560     400   blk_recount_segments+0x43/0x62
 1)     4160      32   bio_phys_segments+0x1c/0x24
 2)     4128      32   blk_rq_bio_prep+0x2a/0xf9
 3)     4096      32   init_request_from_bio+0xf9/0xfe
 4)     4064     112   __make_request+0x33c/0x3f6
 5)     3952     144   generic_make_request+0x2d1/0x321
 6)     3808      64   submit_bio+0xb9/0xc3
 7)     3744      48   submit_bh+0xea/0x10e
 8)     3696     368   ext4_mb_init_cache+0x257/0xa6a [ext4]
 9)     3328     288   ext4_mb_regular_allocator+0x421/0xcd9 [ext4]
10)     3040     160   ext4_mb_new_blocks+0x211/0x4b4 [ext4]
11)     2880     336   ext4_ext_get_blocks+0xb61/0xd45 [ext4]
12)     2544      96   ext4_get_blocks_wrap+0xf2/0x200 [ext4]
13)     2448      80   ext4_da_get_block_write+0x6e/0x16b [ext4]
14)     2368     352   mpage_da_map_blocks+0x7e/0x4b3 [ext4]
15)     2016     352   ext4_da_writepages+0x2ce/0x43c [ext4]
16)     1664      32   do_writepages+0x2d/0x3c
17)     1632     144   __writeback_single_inode+0x162/0x2cd
18)     1488      96   generic_sync_sb_inodes+0x1e3/0x32b
19)     1392      16   sync_sb_inodes+0xe/0x10
20)     1376      48   writeback_inodes+0x69/0xb3
21)     1328     208   balance_dirty_pages_ratelimited_nr+0x187/0x2f9
22)     1120     224   generic_file_buffered_write+0x1d4/0x2c4
23)      896     176   __generic_file_aio_write_nolock+0x35f/0x393
24)      720      80   generic_file_aio_write+0x6c/0xc8
25)      640      80   ext4_file_write+0xa9/0x137 [ext4]
26)      560     320   do_sync_write+0xf0/0x137
27)      240      48   vfs_write+0xb3/0x13c
28)      192      64   sys_write+0x4c/0x74
29)      128     128   system_call_fastpath+0x16/0x1b

Split the segment counting out into a __blk_recalc_rq_segments() helper
to avoid allocating an onstack request just for checking the physical
segment count.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

10 years agocciss: shorten 30s timeout on controller reset
Jens Axboe [Mon, 23 Feb 2009 07:53:35 +0000]
cciss: shorten 30s timeout on controller reset

If reset_devices is set for kexec, then cciss will delay 30 seconds
since the old 5i controller _may_ need that long to recover. Replace
the long sleep with incremental sleep and tests to reduce the 30 seconds
to worst case for 5i, so that other controllers will proceed quickly.

Reviewed-by: Mike Miller <mike.miller@hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

10 years agoblock: add documentation for register_blkdev()
Márton Németh [Fri, 20 Feb 2009 07:12:51 +0000]
block: add documentation for register_blkdev()

Add documentation for register_blkdev() function and for the parameters.

Signed-off-by: Márton Németh <nm127@freemail.hu>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

10 years agoblock: fix bogus gcc warning for uninitialized var usage
Jens Axboe [Thu, 19 Feb 2009 07:50:26 +0000]
block: fix bogus gcc warning for uninitialized var usage

Newer gcc throw this warning:

        fs/bio.c: In function ?bio_alloc_bioset?:
        fs/bio.c:305: warning: ?p? may be used uninitialized in this function

since it cannot figure out that 'p' is only ever used if 'bs' is non-NULL.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

10 years agopowerpc: Fix 64bit __copy_tofrom_user() regression
Mark Nelson [Wed, 25 Feb 2009 13:46:24 +0000]
powerpc: Fix 64bit __copy_tofrom_user() regression

This fixes a regression introduced by commit
a4e22f02f5b6518c1484faea1f88d81802b9feac ("powerpc: Update 64bit
__copy_tofrom_user() using CPU_FTR_UNALIGNED_LD_STD").

The same bug that existed in the 64bit memcpy() also exists here so fix
it here too. The fix is the same as that applied to memcpy() with the
addition of fixes for the exception handling code required for
__copy_tofrom_user().

This stops us reading beyond the end of the source region we were told
to copy.

Signed-off-by: Mark Nelson <markn@au1.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

10 years agopowerpc: Fix 64bit memcpy() regression
Mark Nelson [Wed, 25 Feb 2009 13:26:48 +0000]
powerpc: Fix 64bit memcpy() regression

This fixes a regression introduced by commit
25d6e2d7c58ddc4a3b614fc5381591c0cfe66556 ("powerpc: Update 64bit memcpy()
using CPU_FTR_UNALIGNED_LD_STD").

This commit allowed CPUs that have the CPU_FTR_UNALIGNED_LD_STD CPU
feature bit present to do the memcpy() with unaligned load doubles. But,
along with this came a bug where our final load double would read bytes
beyond a page boundary and into the next (unmapped) page. This was caught
by enabling CONFIG_DEBUG_PAGEALLOC,

The fix was to read only the number of bytes that we need to store rather
than reading a full 8-byte doubleword and storing only a portion of that.

In order to minimise the amount of existing code touched we use the
original do_tail for the src_unaligned case.

Below is an example of the regression, as reported by Sachin Sant:

Unable to handle kernel paging request for data at address 0xc00000003f380000
Faulting instruction address: 0xc000000000039574
cpu 0x1: Vector: 300 (Data Access) at [c00000003baf3020]
    pc: c000000000039574: .memcpy+0x74/0x244
    lr: d00000000244916c: .ext3_xattr_get+0x288/0x2f4 [ext3]
    sp: c00000003baf32a0
   msr: 8000000000009032
   dar: c00000003f380000
 dsisr: 40000000
  current = 0xc00000003e54b010
  paca    = 0xc000000000a53680
    pid   = 1840, comm = readahead
enter ? for help
[link register   ] d00000000244916c .ext3_xattr_get+0x288/0x2f4 [ext3]
[c00000003baf32a0] d000000002449104 .ext3_xattr_get+0x220/0x2f4 [ext3]
(unreliab
le)
[c00000003baf3390] d00000000244a6e8 .ext3_xattr_security_get+0x40/0x5c [ext3]
[c00000003baf3400] c000000000148154 .generic_getxattr+0x74/0x9c
[c00000003baf34a0] c000000000333400 .inode_doinit_with_dentry+0x1c4/0x678
[c00000003baf3560] c00000000032c6b0 .security_d_instantiate+0x50/0x68
[c00000003baf35e0] c00000000013c818 .d_instantiate+0x78/0x9c
[c00000003baf3680] c00000000013ced0 .d_splice_alias+0xf0/0x120
[c00000003baf3720] d00000000243e05c .ext3_lookup+0xec/0x134 [ext3]
[c00000003baf37c0] c000000000131e74 .do_lookup+0x110/0x260
[c00000003baf3880] c000000000134ed0 .__link_path_walk+0xa98/0x1010
[c00000003baf3970] c0000000001354a0 .path_walk+0x58/0xc4
[c00000003baf3a20] c000000000135720 .do_path_lookup+0x138/0x1e4
[c00000003baf3ad0] c00000000013645c .path_lookup_open+0x6c/0xc8
[c00000003baf3b70] c000000000136780 .do_filp_open+0xcc/0x874
[c00000003baf3d10] c0000000001251e0 .do_sys_open+0x80/0x140
[c00000003baf3dc0] c00000000016aaec .compat_sys_open+0x24/0x38
[c00000003baf3e30] c00000000000855c syscall_exit+0x0/0x40

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

10 years agopowerpc: Fix load/store float double alignment handler
Michael Neuling [Thu, 19 Feb 2009 18:52:20 +0000]
powerpc: Fix load/store float double alignment handler

When we introduced VSX, we changed the way FPRs are stored in the
thread_struct.  Unfortunately we missed the load/store float double
alignment handler code when updating how we access FPRs in the
thread_struct.

Below fixes this and merges the little/big endian case.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>