Commit Graph

233755 Commits

Author SHA1 Message Date
Ahmed S. Darwish 6f21e64630 Documentation: complete crashkernel= parameter documentation
Complete the crashkernel= kernel parameter documentation.

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-21 15:07:04 -08:00
Linus Torvalds 8bd89ca220 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: keep reference to parent inode on ceph_dentry
  ceph: queue cap_snaps once per realm
  libceph: fix socket write error handling
  libceph: fix socket read error handling
2011-02-21 15:01:38 -08:00
Linus Torvalds b08b69a110 Merge branch 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung
* 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: S5PV210: Fix regulator names
  ARM: S5PV210: Update max8998_platform_data
  ARM: SAMSUNG: Drop exporting s3c24xx_ts_set_platdata
  ARM: S5P: Fix end address in memory resource information for UART devices
  ARM: S5P64X0: Cleanup map.h file
  ARM: S5P6442: Cleanup map.h file
  ARM: S5PC100: Clenaup map.h file
  ARM: S5PV210: Cleanup map.h file
  ARM: S5PV310: Cleanup map.h file
2011-02-21 15:00:47 -08:00
Linus Torvalds b4f5c46245 Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] update cifs version
  cifs: Fix regression in LANMAN (LM) auth code
  cifs: fix handling of scopeid in cifs_convert_address
2011-02-21 14:57:39 -08:00
Linus Torvalds 97b9c3e145 Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: 6745/1: kprobes insn decoding fix
  ARM: tlb: move noMMU tlb_flush() to asm/tlb.h
  ARM: tlb: delay page freeing for SMP and ARMv7 CPUs
  ARM: Keep exit text/data around for SMP_ON_UP
  ARM: Ensure predictable endian state on signal handler entry
  ARM: 6740/1: Place correctly notes section in the linker script
  ARM: 6700/1: SPEAr: Correct SOC config base address for spear320
  ARM: 6722/1: SPEAr: sp810: switch to slow mode before reset
  ARM: 6712/1: SPEAr: replace readl(), writel() with relaxed versions in uncompress.h
  ARM: 6720/1: SPEAr: Append UL to VMALLOC_END
  ARM: 6676/1: Correct the cpu_architecture() function for ARMv7
  ARM: 6739/1: update .gitignore for boot/compressed
  ARM: 6743/1: errata: interrupted ICALLUIS may prevent completion of broadcasted operation
  ARM: 6742/1: pmu: avoid setting IRQ affinity on UP systems
  ARM: 6741/1: errata: pl310 cache sync operation may be faulty
2011-02-21 14:57:04 -08:00
Linus Torvalds f85cca6b25 Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] net: provide architecture specific NET_SKB_PAD
  [S390] atomic: use inline asm
  [S390] correct ipl parameter block safe guard
  [S390] atomic: use ACCESS_ONCE() for atomic_read()
  [S390] dasd: correct device table
2011-02-21 14:55:49 -08:00
Steve French eed9e8307e [CIFS] update cifs version
Update version to 1.71 so we can more easily spot modules with the last two fixes

Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-02-21 22:31:47 +00:00
Keng-Yu Lin a3d77411e8 dell-laptop: Toggle the unsupported hardware killswitch
It is found on Dell Inspiron 1018 that the firmware reports that the hardware
killswitch is not supported. This makes the rfkill key not functional.

This patch forces the driver to toggle the firmware rfkill status in the case
that the hardware killswitch is indicated as unsupported by the firmware.

Signed-off-by: Keng-Yu Lin <keng-yu.lin@canonical.com>
Tested-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-02-21 17:06:21 -05:00
Seth Forshee 5ffba7e696 thinkpad_acpi: Always report scancodes for hotkeys
Some thinkpad hotkeys report key codes like KEY_FN_F8 when something
like KEY_VOLUMEDOWN is desired. Always provide the scan codes in
addition to the key codes to assist with debugging these issues. Also
send the scan code before the key code to match what other drivers do,
as some userspace utilities expect this ordering.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-02-21 17:06:20 -05:00
Matthew Garrett bbb706079a acer-wmi: Fix capitalisation of GUID
6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3 needs to be
6AF4F258-B401-42FD-BE91-3D4AC2D7C0D3 to match the hardware alias.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: stable@kernel.org
2011-02-21 17:06:18 -05:00
Randy Dunlap ad0f43063e platform/x86: ideapad-laptop depends on INPUT
Most platform/x86 drivers that use INPUT_SPARSEKMAP also depend on INPUT,
so do the same for ideapad-laptop.  This fixes a kconfig warning and
subsequent build errors when CONFIG_INPUT is disabled.

warning: (ACER_WMI && ASUS_LAPTOP && DELL_WMI && HP_WMI && PANASONIC_LAPTOP && IDEAPAD_LAPTOP && EEEPC_LAPTOP && EEEPC_WMI && MSI_WMI && TOPSTAR_LAPTOP && ACPI_TOSHIBA) selects INPUT_SPARSEKMAP which has unmet direct dependencies (!S390 && INPUT)

ERROR: "input_free_device" [drivers/platform/x86/ideapad-laptop.ko] undefined!
ERROR: "input_register_device" [drivers/platform/x86/ideapad-laptop.ko] undefined!
ERROR: "sparse_keymap_setup" [drivers/platform/x86/ideapad-laptop.ko] undefined!
ERROR: "input_allocate_device" [drivers/platform/x86/ideapad-laptop.ko] undefined!
ERROR: "input_unregister_device" [drivers/platform/x86/ideapad-laptop.ko] undefined!
ERROR: "sparse_keymap_free" [drivers/platform/x86/ideapad-laptop.ko] undefined!
ERROR: "sparse_keymap_report_event" [drivers/platform/x86/ideapad-laptop.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-02-21 17:06:17 -05:00
Vasiliy Kulikov b80b168f91 platform: x86: acer-wmi: world-writable sysfs threeg file
Don't allow everybody to write to hardware registers.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-02-21 17:06:15 -05:00
Vasiliy Kulikov 8040835760 platform: x86: asus_acpi: world-writable procfs files
Don't allow everybody to change ACPI settings.  The comment says that it
is done deliberatelly, however, the comment before disp_proc_write()
says that at least one of these setting is experimental.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-02-21 17:06:14 -05:00
Vasiliy Kulikov 8a6a142c12 platform: x86: tc1100-wmi: world-writable sysfs wireless and jogdial files
Don't allow everybody to change WMI settings.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2011-02-21 17:06:13 -05:00
Thomas Gleixner 98401ae434 platform-drivers: x86: pmic: Use request_irq instead of chained handler
There is no need to install a chained handler for this hardware. This
is a plain x86 IOAPIC interrupt which is handled by the core code
perfectly fine. There is nothing special about demultiplexing these
gpio interrupts which justifies a custom hack. Replace it by a plain
old interrupt handler installed with request_irq. That makes the code
agnostic about the underlying primary interrupt hardware. The overhead
for this is minimal, but it gives us the advantage of accounting,
balancing and to detect interrupt storms. gpio interrupts are not
really that performance critical.

Patch fixups from akpm

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2011-02-21 17:06:11 -05:00
Shirish Pargaonkar 5e640927a5 cifs: Fix regression in LANMAN (LM) auth code
LANMAN response length was changed to 16 bytes instead of 24 bytes.
Revert it back to 24 bytes.

Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
CC: stable@kernel.org
Signed-off-by: Steve French <sfrench@us.ibm.com>
2011-02-21 21:53:30 +00:00
Tyler Hicks 55f9cf6bba eCryptfs: Copy up lower inode attrs in getattr
The lower filesystem may do some type of inode revalidation during a
getattr call. eCryptfs should take advantage of that by copying the
lower inode attributes to the eCryptfs inode after a call to
vfs_getattr() on the lower inode.

I originally wrote this fix while working on eCryptfs on nfsv3 support,
but discovered it also fixed an eCryptfs on ext4 nanosecond timestamp
bug that was reported.

https://bugs.launchpad.net/bugs/613873

Cc: <stable@kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2011-02-21 14:46:36 -06:00
Andy Whitcroft 323ef68faf ecryptfs: read on a directory should return EISDIR if not supported
read() calls against a file descriptor connected to a directory are
incorrectly returning EINVAL rather than EISDIR:

  [EISDIR]
    [XSI] [Option Start] The fildes argument refers to a directory and the
    implementation does not allow the directory to be read using read()
    or pread(). The readdir() function should be used instead. [Option End]

This occurs because we do not have a .read operation defined for
ecryptfs directories.  Connect this up to generic_read_dir().

BugLink: http://bugs.launchpad.net/bugs/719691
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2011-02-21 14:46:36 -06:00
Tyler Hicks 70b8902199 eCryptfs: Handle NULL nameidata pointers
Allow for NULL nameidata pointers in eCryptfs create, lookup, and
d_revalidate functions.

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
2011-02-21 14:45:57 -06:00
Christian Lamparter 0bf719dfde p54pci: update receive dma buffers before and after processing
Documentation/DMA-API-HOWTO.txt states:

"DMA transfers need to be synced properly in order for
the cpu and device to see the most uptodate and correct
copy of the DMA buffer."

Cc: <stable@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21 15:17:51 -05:00
Daniel J Blueman 4f919a3bc5 fix cfg80211_wext_siwfreq lock ordering...
I previously managed to reproduce a hang while scanning wireless
channels (reproducible with airodump-ng hopping channels); subsequent
lockdep instrumentation revealed a lock ordering issue.

Without knowing the design intent, it looks like the locks should be
taken in reverse order; please comment.

=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.38-rc5-341cd #4
-------------------------------------------------------
airodump-ng/15445 is trying to acquire lock:
 (&rdev->devlist_mtx){+.+.+.}, at: [<ffffffff816b1266>]
cfg80211_wext_siwfreq+0xc6/0x100

but task is already holding lock:
 (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>] cfg80211_wext_siwfreq+0xbc/0x100

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #1 (&wdev->mtx){+.+.+.}:
       [<ffffffff810a79d6>] lock_acquire+0xc6/0x280
       [<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0
       [<ffffffff81696080>] cfg80211_netdev_notifier_call+0x430/0x5f0
       [<ffffffff8109351b>] notifier_call_chain+0x8b/0x100
       [<ffffffff810935b1>] raw_notifier_call_chain+0x11/0x20
       [<ffffffff81576d92>] call_netdevice_notifiers+0x32/0x60
       [<ffffffff815771a4>] __dev_notify_flags+0x34/0x80
       [<ffffffff81577230>] dev_change_flags+0x40/0x70
       [<ffffffff8158587c>] do_setlink+0x1fc/0x8d0
       [<ffffffff81586042>] rtnl_setlink+0xf2/0x140
       [<ffffffff81586923>] rtnetlink_rcv_msg+0x163/0x270
       [<ffffffff8159d741>] netlink_rcv_skb+0xa1/0xd0
       [<ffffffff815867b0>] rtnetlink_rcv+0x20/0x30
       [<ffffffff8159d39a>] netlink_unicast+0x2ba/0x300
       [<ffffffff8159dd57>] netlink_sendmsg+0x267/0x3e0
       [<ffffffff8155e364>] sock_sendmsg+0xe4/0x110
       [<ffffffff8155f3a3>] sys_sendmsg+0x253/0x3b0
       [<ffffffff81003192>] system_call_fastpath+0x16/0x1b

-> #0 (&rdev->devlist_mtx){+.+.+.}:
       [<ffffffff810a7222>] __lock_acquire+0x1622/0x1d10
       [<ffffffff810a79d6>] lock_acquire+0xc6/0x280
       [<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0
       [<ffffffff816b1266>] cfg80211_wext_siwfreq+0xc6/0x100
       [<ffffffff816b2fad>] ioctl_standard_call+0x5d/0xd0
       [<ffffffff816b3223>] T.808+0x163/0x170
       [<ffffffff816b326a>] wext_handle_ioctl+0x3a/0x90
       [<ffffffff815798d2>] dev_ioctl+0x6f2/0x830
       [<ffffffff8155cf3d>] sock_ioctl+0xfd/0x290
       [<ffffffff8117dffd>] do_vfs_ioctl+0x9d/0x590
       [<ffffffff8117e53a>] sys_ioctl+0x4a/0x80
       [<ffffffff81003192>] system_call_fastpath+0x16/0x1b

other info that might help us debug this:

2 locks held by airodump-ng/15445:
 #0:  (rtnl_mutex){+.+.+.}, at: [<ffffffff81586782>] rtnl_lock+0x12/0x20
 #1:  (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>]
cfg80211_wext_siwfreq+0xbc/0x100

stack backtrace:
Pid: 15445, comm: airodump-ng Not tainted 2.6.38-rc5-341cd #4
Call Trace:
 [<ffffffff810a3f0a>] ? print_circular_bug+0xfa/0x100
 [<ffffffff810a7222>] ? __lock_acquire+0x1622/0x1d10
 [<ffffffff810a1f99>] ? trace_hardirqs_off_caller+0x29/0xc0
 [<ffffffff810a79d6>] ? lock_acquire+0xc6/0x280
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90
 [<ffffffff816d6bce>] ? mutex_lock_nested+0x6e/0x4b0
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff816b2fad>] ? ioctl_standard_call+0x5d/0xd0
 [<ffffffff8157818b>] ? __dev_get_by_name+0x9b/0xc0
 [<ffffffff816b2f50>] ? ioctl_standard_call+0x0/0xd0
 [<ffffffff816b3223>] ? T.808+0x163/0x170
 [<ffffffff8112ddf2>] ? might_fault+0x72/0xd0
 [<ffffffff816b326a>] ? wext_handle_ioctl+0x3a/0x90
 [<ffffffff8112de3b>] ? might_fault+0xbb/0xd0
 [<ffffffff815798d2>] ? dev_ioctl+0x6f2/0x830
 [<ffffffff810a1bae>] ? put_lock_stats+0xe/0x40
 [<ffffffff810a1c8c>] ? lock_release_holdtime+0xac/0x150
 [<ffffffff8155cf3d>] ? sock_ioctl+0xfd/0x290
 [<ffffffff8117dffd>] ? do_vfs_ioctl+0x9d/0x590
 [<ffffffff8116c8ff>] ? fget_light+0x1df/0x3c0
 [<ffffffff8117e53a>] ? sys_ioctl+0x4a/0x80
 [<ffffffff81003192>] ? system_call_fastpath+0x16/0x1b

Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21 15:14:25 -05:00
Gertjan van Wingerde a866a2cc1c rt2x00: Fix WPA TKIP Michael MIC failures.
As reported and found by Johannes Stezenbach:
rt2800{pci,usb} do not report the Michael MIC in RXed frames, but do check
the Michael MIC in hardware. Therefore we have to report to mac80211 that the
received frame does not include the Michael MIC.

https://bugzilla.kernel.org/show_bug.cgi?id=16608

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21 15:02:58 -05:00
Nick Kossifidis 573cfde7aa ath5k: Fix fast channel switching
Fast channel change fixes:

a) Always set OFDM timings
b) Don't re-activate PHY
c) Enable only NF calibration, not AGC

https://bugzilla.kernel.org/show_bug.cgi?id=27382

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-02-21 14:50:01 -05:00
Yuchung Cheng c24f691b56 tcp: undo_retrans counter fixes
Fix a bug that undo_retrans is incorrectly decremented when undo_marker is
not set or undo_retrans is already 0. This happens when sender receives
more DSACK ACKs than packets retransmitted during the current
undo phase. This may also happen when sender receives DSACK after
the undo operation is completed or cancelled.

Fix another bug that undo_retrans is incorrectly incremented when
sender retransmits an skb and tcp_skb_pcount(skb) > 1 (TSO). This case
is rare but not impossible.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-21 11:31:18 -08:00
Nicolas Pitre 5a5af73053 ARM: 6745/1: kprobes insn decoding fix
Marcin Slusarz says:

> In arch/arm/kernel/kprobes-decode.c there's a function
> arm_kprobe_decode_insn which does:
>
> } else if ((insn & 0x0e000000) == 0x0c400000) {
> ...
>
> This is always false, so code below is dead.
> I found this bug by coccinelle (http://coccinelle.lip6.fr/).

Reported-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:29 +00:00
Russell King 58e9c47fa0 ARM: tlb: move noMMU tlb_flush() to asm/tlb.h
There's no need to noMMU to put tlb_flush() in asm/tlbflush.h - it's
part of the tlb shootdown interface.  Move it to asm/tlb.h instead, as
per x86.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:28 +00:00
Russell King 06824ba824 ARM: tlb: delay page freeing for SMP and ARMv7 CPUs
We need to delay freeing any mapped page on SMP and ARMv7 systems to
ensure that the data is not accessed by other CPUs, or is used for
speculative prefetch with ARMv7.  This includes not only mapped pages
but also pages used for the page tables themselves.

This avoids races with the MMU/other CPUs accessing pages after they've
been freed but before we've invalidated the TLB.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:28 +00:00
Russell King a9ad21fed0 ARM: Keep exit text/data around for SMP_ON_UP
When SMP_ON_UP is used and the spinlocks are inlined, we end up with
inline spinlocks in the exit code, with references from the SMP
alternatives section to the exit sections.  This causes link time
errors.  Avoid this by placing the exit sections in the init-discarded
region.

Cc: <stable@kernel.org>
Tested-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:27 +00:00
Russell King 53399053eb ARM: Ensure predictable endian state on signal handler entry
Ensure a predictable endian state when entering signal handlers.  This
avoids programs which use SETEND to momentarily switch their endian
state from having their signal handlers entered with an unpredictable
endian state.

Cc: <stable@kernel.org>
Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:26 +00:00
Pawel Moll dc810efb0c ARM: 6740/1: Place correctly notes section in the linker script
Commit 18991197b4 added --build-id
linker option when toolchain supports it. ARM one does, but for some
reason places the section at 0 when linker script doesn't mention it
explicitly.

The 1e621a8e37 worked around the problem
removing this section from binary image with explicit objcopy options,
but it still exists in vmlinux, confusing tools like debuggers and perf.

This problem was discussed here:
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-May/015994.html
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-May/015994.html
but the proposed changes to the linker script were substantial.

This patch simply places NOTES (36 bytes long, at least when compiled
with CodeSourcery toolchain) between data and bss, which seem to be
the right place (and suggested by the sample linker script in
include/asm-generic/vmlinux.lds.h).

It is enough to place it correctly in vmlinux (so debuggers are happy):

Section Headers:
  [11] .data             PROGBITS        c07ce000 7ce000 020fc0 00  WA  0   0 32
  [12] .notes            NOTE            c07eefc0 7eefc0 000024 00  AX  0   0  4
  [13] .bss              NOBITS          c07ef000 7eefe4 01e628 00  WA  0   0 32
Program Headers:
  LOAD           0x008000 0xc0008000 0xc0008000 0x7e6fe4 0x805628 RWE 0x8000
  NOTE           0x7eefc0 0xc07eefc0 0xc07eefc0 0x00024 0x00024 R E 0x4
Section to Segment mapping:
  Segment Sections...
   00     <...> .data .notes .bss
   01     .notes

and to get it exposed as /sys/kernel/notes used by perf tools.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:25 +00:00
viresh kumar 167879ae89 ARM: 6700/1: SPEAr: Correct SOC config base address for spear320
SPEAR320_SOC_CONFIG_BASE was wrong, causing the wrong registers to be
accessed.

Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:24 +00:00
Shiraz Hashim b8272a61c1 ARM: 6722/1: SPEAr: sp810: switch to slow mode before reset
In sysctl_soft_reset(), switch to slow mode before resetting the system
via the system controller.  This is required.

Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:24 +00:00
viresh kumar ac1556b37e ARM: 6712/1: SPEAr: replace readl(), writel() with relaxed versions in uncompress.h
readl() and writel() calls the outer cache maintainance operations
which are not available during Linux uncompression. This patch replaces
readl() and writel() with readl_relaxed() and writel_relaxed() to avoid
the link time errors.

Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:23 +00:00
viresh kumar d16613586a ARM: 6720/1: SPEAr: Append UL to VMALLOC_END
This patch fixes following warning:
arch/arm/mm/init.c:606: warning: format '%08lx' expects type 'long unsigned int', but argument 12 has type 'unsigned int'

by appending UL to VMALLOC_END's Number.

Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-21 19:29:20 +00:00
Michal Marek b7bd182176 fixdep: Do not record dependency on the source file itself
The dependency is already expressed by the Makefiles, storing it in the
.cmd file breaks build if a .c file is replaced by .S or vice versa,
because the .cmd file contains

foo/bar.o: foo/bar.c ...

foo/bar.c ... :

so the foo/bar.c -> foo/bar.o rule triggers even if there is no
foo/bar.c anymore.

Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-02-21 13:35:17 +01:00
Lu Guanqun eeda276bef ALSA: fix one memory leak in sound jack
Signed-off-by: Lu Guanqun <guanqun.lu@intel.com>
Reviewed-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-02-21 09:33:49 +01:00
Kushal Koolwal e19e074b15 x86: Fix reboot problem on VersaLogic Menlow boards
VersaLogic Menlow based boards hang on reboot unless reboot=bios
is used. Add quirk to reboot through the BIOS.

Tested on at least four boards.

Signed-off-by: Kushal Koolwal <kushalkoolwal@gmail.com>
LKML-Reference: <1298152563-21594-1-git-send-email-kushalkoolwal@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-02-21 08:41:26 +01:00
NeilBrown da9cf5050a md: avoid spinlock problem in blk_throtl_exit
blk_throtl_exit assumes that ->queue_lock still exists,
so make sure that it does.
To do this, we stop redirecting ->queue_lock to conf->device_lock
and leave it pointing where it is initialised - __queue_lock.

As the blk_plug functions check the ->queue_lock is held, we now
take that spin_lock explicitly around the plug functions.  We don't
need the locking, just the warning removal.

This is needed for any kernel with the blk_throtl code, which is
which is 2.6.37 and later.

Cc: stable@kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
2011-02-21 18:25:57 +11:00
Eric W. Biederman 5f04d5068a net: Fix more stale on-stack list_head objects.
From: Eric W. Biederman <ebiederm@xmission.com>

In the beginning with batching unreg_list was a list that was used only
once in the lifetime of a network device (I think).  Now we have calls
using the unreg_list that can happen multiple times in the life of a
network device like dev_deactivate and dev_close that are also using the
unreg_list.  In addition in unregister_netdevice_queue we also do a
list_move because for devices like veth pairs it is possible that
unregister_netdevice_queue will be called multiple times.

So I think the change below to fix dev_deactivate which Eric D. missed
will fix this problem.  Now to go test that.

Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-20 11:49:45 -08:00
Linus Torvalds 6f576d57f1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: HDA: Do not announce false surround in Conexant auto
  ALSA: HDA: Conexant auto: Handle multiple connections to ADC node
  ALSA: HDA: Add position_fix quirk for an Asus device
  ALSA: caiaq - Fix possible string-buffer overflow
  ALSA: au88x0 - Modify pointer callback to give accurate playback position
2011-02-20 10:15:57 -08:00
Linus Torvalds a0c85e96d3 Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging:
  hwmon: (lm85) extend to support EMC6D103 chips
  MAINTAINERS: Remove stale hwmon quilt tree
  hwmon: (k10temp) add support for AMD Family 12h/14h CPUs
  hwmon: (jc42) do not allow writing to locked registers
  hwmon: (jc42) more helpful documentation
  hwmon: (jc42) fix type mismatch
2011-02-20 10:15:22 -08:00
Linus Torvalds e587137240 Revert "tpm_tis: Use timeouts returned from TPM"
This reverts commit 9b29050f8f.

It has caused hibernate regressions, for example Juri Sladby's report:

  "I'm unable to hibernate 2.6.37.1 unless I rmmod tpm_tis:
   [10974.074587] Suspending console(s) (use no_console_suspend to debug)
   [10974.103073] tpm_tis 00:0c: Operation Timed out
   [10974.103089] legacy_suspend(): pnp_bus_suspend+0x0/0xa0 returns -62
   [10974.103095] PM: Device 00:0c failed to freeze: error -62"

and Rafael points out that some of the new conditionals in that commit
seem to make no sense.  This commit needs more work and testing, let's
revert it for now.

Reported-by: Norbert Preining <preining@logic.at>
Reported-and-requested-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Stefan Berger <stefanb@linux.vnet.ibm.com>
Cc: Guillaume Chazarain <guichaz@gmail.com>
Cc: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-02-20 10:03:12 -08:00
Dmitry Torokhov c50a00f8fe USB: xhci: fix couple sparse annotations
There is no point in casting to (void *) when setting up xhci->ir_set
as it only makes us lose __iomem annotation and makes sparse unhappy.

OTOH we do need to cast to (void *) when calculating xhci->dba from
offset, but since it is IO memory we need to annotate it as such.

Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-02-20 07:07:07 -08:00
Dmitry Torokhov 09ece30e06 USB: xhci: rework xhci_print_ir_set() to get ir set from xhci itself
xhci->ir_set points to __iomem region, but xhci_print_ir_set accepts
plain struct xhci_intr_reg * causing multiple sparse warning at call
sites and inside the fucntion when we try to read that memory.

Instead of adding __iomem qualifier to the argument let's rework the
function so it itself gets needed register set from xhci and prints
it.

Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-02-20 07:07:05 -08:00
Luben Tuikov 07194ab7be USB: Reset USB 3.0 devices on (re)discovery
If the device isn't reset, the XHCI HCD sends
SET ADDRESS to address 0 while the device is
already in Addressed state, and the request is
dropped on the floor as it is addressed to the
default address. This sequence of events, which this
patch fixes looks like this:

usb_reset_and_verify_device()
	hub_port_init()
		hub_set_address()
			SET_ADDRESS to 0 with 1
		usb_get_device_descriptor(udev, 8)
		usb_get_device_descriptor(udev, 18)
	descriptors_changed() --> goto re_enumerate:
		hub_port_logical_disconnect()
			kick_khubd()

And then:

hub_events()
	hub_port_connect_change()
		usb_disconnect()
			usb_disable_device()
		new device struct
		sets device state to Powered
		choose_address()
		hub_port_init() <-- no reset, but SET ADDRESS to 0 with 1, timeout!

The solution is to always reset the device in
hub_port_init() to put it in a known state.

Note from Sarah Sharp:

This patch should be queued for stable trees all the way back to 2.6.34,
since that was the first kernel that supported configured device reset.
The code this patch touches has been there since 2.6.32, but the bug
would never be hit before 2.6.34 because the xHCI driver would
completely reject an attempt to reset a configured device under xHCI.

Signed-off-by: Luben Tuikov <ltuikov@yahoo.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2011-02-20 07:07:04 -08:00
Paul Zimmerman bcd2fde053 xhci: Fix an error in count_sg_trbs_needed()
The expression

	while (running_total < sg_dma_len(sg))

does not take into account that the remaining data length can be less
than sg_dma_len(sg). In that case, running_total can end up being
greater than the total data length, so an extra TRB is counted.
Changing the expression to

	while (running_total < sg_dma_len(sg) && running_total < temp)

fixes that.

This patch should be queued for stable kernels back to 2.6.31.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2011-02-20 07:01:28 -08:00
Paul Zimmerman 5807795bd4 xhci: Fix errors in the running total calculations in the TRB math
Calculations like

	running_total = TRB_MAX_BUFF_SIZE -
		(sg_dma_address(sg) & (TRB_MAX_BUFF_SIZE - 1));
	if (running_total != 0)
		num_trbs++;

are incorrect, because running_total can never be zero, so the if()
expression will never be true. I think the intention was that
running_total be in the range of 0 to TRB_MAX_BUFF_SIZE-1, not 1
to TRB_MAX_BUFF_SIZE. So adding a

	running_total &= TRB_MAX_BUFF_SIZE - 1;

fixes the problem.

This patch should be queued for stable kernels back to 2.6.31.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2011-02-20 07:01:27 -08:00
Paul Zimmerman a249018701 xhci: Clarify some expressions in the TRB math
This makes it easier to spot some problems, which will be fixed by the
next patch in the series. Also change dev_dbg to dev_err in
check_trb_math(), so any math errors will be visible even when running
with debug disabled.

Note: This patch changes the expressions containing
"((1 << TRB_MAX_BUFF_SHIFT) - 1)" to use the equivalent
"(TRB_MAX_BUFF_SIZE - 1)". No change in behavior is intended for
those expressions.

This patch should be queued for stable kernels back to 2.6.31.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2011-02-20 07:01:27 -08:00
Paul Zimmerman 68e41c5d03 xhci: Avoid BUG() in interrupt context
Change the BUGs in xhci_find_new_dequeue_state() to WARN_ONs, to avoid
bringing down the box if one of them is hit

This patch should be queued for stable kernels back to 2.6.31.

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@kernel.org
2011-02-20 07:01:26 -08:00
Dominik Brodowski 33619f0d3f pcmcia: re-enable Zoomed Video support
Allow drivers to enable Zoomed Video support. Currently, this is only
used by out-of-tree drivers (L64020 DVB driver in particular).

CC: <stable@kernel.org> [for 2.6.37]
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
2011-02-20 12:47:34 +01:00