Mark Brown [Thu, 7 Mar 2013 06:29:43 +0000 (14:29 +0800)]
Merge remote-tracking branch 'asoc/fix/wm8960' into tmp
Mark Brown [Thu, 7 Mar 2013 06:29:40 +0000 (14:29 +0800)]
Merge remote-tracking branch 'asoc/fix/wm8350' into tmp
Mark Brown [Thu, 7 Mar 2013 06:29:39 +0000 (14:29 +0800)]
Merge remote-tracking branch 'asoc/fix/tegra' into tmp
Mark Brown [Thu, 7 Mar 2013 06:29:27 +0000 (14:29 +0800)]
Merge remote-tracking branch 'asoc/fix/arizona' into tmp
Peter Jones [Wed, 6 Mar 2013 18:00:23 +0000 (13:00 -0500)]
x86, doc: Be explicit about what the x86 struct boot_params requires
If the sentinel triggers, we do not want the boot loader authors to
just poke it and make the error go away, we want them to actually fix
the problem.
This should help avoid making the incorrect change in non-compliant
bootloaders.
[ hpa: dropped the Documentation/x86/boot.txt hunk pending
clarifications ]
Signed-off-by: Peter Jones <pjones@redhat.com>
Link: http://lkml.kernel.org/r/1362592823-28967-1-git-send-email-pjones@redhat.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Josh Boyer [Thu, 7 Mar 2013 04:23:30 +0000 (20:23 -0800)]
x86: Don't clear efi_info even if the sentinel hits
When boot_params->sentinel is set, all we really know is that some
undefined set of fields in struct boot_params contain garbage. In the
particular case of efi_info, however, there is a private magic for
that substructure, so it is generally safe to leave it even if the
bootloader is broken.
kexec (for which we did the initial analysis) did not initialize this
field, but of course all the EFI bootloaders do, and most EFI
bootloaders are broken in this respect (and should be fixed.)
Reported-by: Robin Holt <holt@sgi.com>
Link: http://lkml.kernel.org/r/CA%2B5PVA51-FT14p4CRYKbicykugVb=PiaEycdQ57CK2km_OQuRQ@mail.gmail.com
Tested-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Yinghai Lu [Thu, 7 Mar 2013 04:18:21 +0000 (20:18 -0800)]
x86, mm: Make sure to find a 2M free block for the first mapped area
Henrik reported that his MacAir 3.1 would not boot with
| commit
8d57470d8f859635deffe3919d7d4867b488b85a
| Date: Fri Nov 16 19:38:58 2012 -0800
|
| x86, mm: setup page table in top-down
It turns out that we do not calculate the real_end properly:
We try to get 2M size with 4K alignment, and later will round down
to 2M, so we will get less then 2M for first mapping, in extreme
case could be only 4K only. In Henrik's system it has (1M-32K) as
last usable rage is [mem 0x7f9db000-0x7fef8fff].
The problem is exposed when EFI booting have several holes and it
will force mapping to use PTE instead as we only map usable areas.
To fix it, just make it be 2M aligned, so we can be guaranteed to be
able to use large pages to map it.
Reported-by: Henrik Rydberg <rydberg@euromail.se>
Bisected-by: Henrik Rydberg <rydberg@euromail.se>
Tested-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/CAE9FiQX4nQ7_1kg5RL_vh56rmcSHXUi1ExrZX7CwED4NGMnHfg@mail.gmail.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Krzysztof Mazur [Sat, 2 Mar 2013 23:14:42 +0000 (00:14 +0100)]
x86: Fix 32-bit *_cpu_data initializers
The commit
27be457000211a6903968dfce06d5f73f051a217
('x86 idle: remove 32-bit-only "no-hlt" parameter, hlt_works_ok
flag') removed the hlt_works_ok flag from struct cpuinfo_x86, but
boot_cpu_data and new_cpu_data initializers were not changed
causing setting f00f_bug flag, instead of fdiv_bug.
If CONFIG_X86_F00F_BUG is not set the f00f_bug flag is never
cleared.
To avoid such problems in future C99-style initialization is now
used.
Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: len.brown@intel.com
Link: http://lkml.kernel.org/r/1362266082-2227-1-git-send-email-krzysiek@podlesie.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Ilya Dryomov [Wed, 6 Mar 2013 08:57:55 +0000 (01:57 -0700)]
Btrfs: fix a mismerge in btrfs_balance()
Raid56 merge (merge commit
e942f88) had mistakenly removed a call to
__cancel_balance(), which resulted in balance not cleaning up after itself
after a successful finish. (Cleanup includes switching the state, removing
the balance item and releasing mut_ex_op testnset lock.) Bring it back.
Reported-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Pavel Shilovsky [Wed, 6 Mar 2013 15:38:36 +0000 (19:38 +0400)]
CIFS: Fix missing of oplock_read value in smb30_values structure
Cc: stable@vger.kernel.org
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Dave Airlie [Thu, 7 Mar 2013 01:12:14 +0000 (11:12 +1000)]
Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
A bunch of fixes, nothing truely horrible:
- Fix PCH irq handling race which resulted in missed gmbus/dp aux irqs
and subsequent fallout (Paulo)
- Fixup off-by-one in our hsw id table (Kenneth)
- Fixup ilk rc6 support (disabled by default), regression introduced in
3.8
- g4x plane w/a from Egbert Eich
- gen2/3/4 dpms suspend/standy fixes for VGA outputs from Patrik Jakobsson
- Workaround dying ivb machines with less aggressive rc6 values (Stéphane
Marchesin)
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Turn off hsync and vsync on ADPA when disabling crt
drm/i915: Fix incorrect definition of ADPA HSYNC and VSYNC bits
drm/i915: also disable south interrupts when handling them
drm/i915: enable irqs earlier when resuming
drm/i915: Increase the RC6p threshold.
DRM/i915: On G45 enable cursor plane briefly after enabling the display plane.
drm/i915: Fix Haswell/CRW PCI IDs.
drm/i915: Don't clobber crtc->fb when queue_flip fails
drm/i915: wait_event_timeout's timeout is in jiffies
drm/i915: Fix missing variable initilization
Jeff Layton [Mon, 4 Mar 2013 20:18:25 +0000 (15:18 -0500)]
cifs: don't try to unlock pagecache page after releasing it
We had a recent fix to fix the release of pagecache pages when
cifs_writev_requeue writes fail. Unfortunately, it releases the page
before trying to unlock it. At that point, the page might be gone by the
time the unlock comes in.
Unlock the page first before checking the value of "rc", and only then
end writeback and release the pages. The page lock isn't required for
any of those operations so this should be safe.
Reported-by: Anton Altaparmakov <aia21@cam.ac.uk>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Jeff Layton [Thu, 21 Feb 2013 11:32:59 +0000 (06:32 -0500)]
cifs: remove the sockopt= mount option
...as promised for 3.9.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Chris Mason [Thu, 7 Mar 2013 00:46:29 +0000 (19:46 -0500)]
Merge branch 'master' of git://git./linux/kernel/git/josef/btrfs-next into for-linus-3.9
Sachin Prabhu [Tue, 5 Mar 2013 19:25:56 +0000 (19:25 +0000)]
cifs: Check server capability before attempting silly rename
cifs_rename_pending_delete() attempts to silly rename file using
CIFSSMBRenameOpenFile(). This uses the SET_FILE_INFORMATION TRANS2
command with information level set to the passthru info-level
SMB_SET_FILE_RENAME_INFORMATION.
We need to check to make sure that the server support passthru
info-levels before attempting the silly rename or else we will fail to
rename the file.
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Sachin Prabhu [Tue, 5 Mar 2013 19:25:55 +0000 (19:25 +0000)]
cifs: Fix bug when checking error condition in cifs_rename_pending_delete()
Fix check for error condition after setting attributes with
CIFSSMBSetFileInfo().
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Stephen Boyd [Tue, 5 Mar 2013 02:54:06 +0000 (03:54 +0100)]
ARM: 7667/1: perf: Fix section mismatch on armpmu_init()
WARNING: vmlinux.o(.text+0xfb80): Section mismatch in reference
from the function armpmu_register() to the function
.init.text:armpmu_init()
The function armpmu_register() references
the function __init armpmu_init().
This is often because armpmu_register lacks a __init
annotation or the annotation of armpmu_init is wrong.
Just drop the __init marking on armpmu_init() because
armpmu_register() no longer has an __init marking.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Jonathan Austin [Mon, 4 Mar 2013 14:17:36 +0000 (15:17 +0100)]
ARM: 7666/1: decompressor: add -mno-single-pic-base for building the decompressor
Before jumping to (position independent) C-code from the decompressor's
assembler world we set-up the C environment. This setup currently does not
set r9, which for arm-none-uclinux-uclibceabi toolchains is by default
expected to be the PIC offset base register (IE should point to the
beginning of the GOT).
Currently, therefore, in order to build working kernels that use the
decompressor it is necessary to use an arm-linux-gnueabi toolchain, or
similar. uClinux toolchains cause a prefetch abort to occur at the beginning
of the decompress_kernel function.
This patch allows uClinux toolchains to build bootable zImages by forcing
the -mno-single-pic-base option, which ensures that the location of the GOT
is re-derived each time it is required, and r9 becomes free for use as a
general purpose register.
This has a small (4% in instruction terms) advantage over the alternative of
setting r9 to point to the GOT before calling into the C-world.
Signed-off-by: Jonathan Austin <jonathan.austin@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Rafael J. Wysocki [Wed, 6 Mar 2013 22:42:05 +0000 (23:42 +0100)]
Merge branch 'pm-fixes' into fixes
* pm-fixes:
cpufreq / intel_pstate: Do not load on VM that does not report max P state.
cpufreq / intel_pstate: Fix intel_pstate_init() error path
PM / QoS: Remove device PM QoS sysfs attributes at the right place
PM / QoS: Fix concurrency issues and memory leaks in device PM QoS
cpufreq: highbank: do not initialize array with a loop
PM / OPP: improve introductory documentation
cpufreq: Fix a typo in comment
mailbox, pl320-ipc: remove __init from probe function
Rafael J. Wysocki [Wed, 6 Mar 2013 22:41:58 +0000 (23:41 +0100)]
Merge branch 'acpi-fixes' into fixes
* acpi-fixes:
ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type
ACPI / glue: Add .match() callback to struct acpi_bus_type
ACPI / porocessor: Beautify code, pr->id is u32 which is never < 0
ACPI / processor: Remove redundant NULL check before kfree
ACPI / Sleep: Avoid interleaved message on errors
Dirk Brandewie [Tue, 5 Mar 2013 22:15:26 +0000 (14:15 -0800)]
cpufreq / intel_pstate: Do not load on VM that does not report max P state.
It seems some VMs support the P state MSRs but return zeros. Fail
gracefully if we are running in this environment.
References: https://bugzilla.redhat.com/show_bug.cgi?id=916833
Reported-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Dirk Brandewie [Tue, 5 Mar 2013 22:15:27 +0000 (14:15 -0800)]
cpufreq / intel_pstate: Fix intel_pstate_init() error path
If cpufreq_register_driver() fails just free memory that has been
allocated and return. intel_pstate_exit() function is removed since we
are built-in only now there is no reason for a module exit procedure.
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Patrik Jakobsson [Tue, 5 Mar 2013 13:24:48 +0000 (14:24 +0100)]
drm/i915: Turn off hsync and vsync on ADPA when disabling crt
According to PRM we need to disable hsync and vsync even though ADPA is
disabled. The previous code did infact do the opposite so we fix it.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=56359
Tested-by: max <manikulin@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Matt Fleming [Tue, 5 Mar 2013 12:46:30 +0000 (12:46 +0000)]
efivarfs: return accurate error code in efivarfs_fill_super()
Joseph was hitting a failure case when mounting efivarfs which
resulted in an incorrect error message,
$ sudo mount -v /sys/firmware/efi/efivars mount: Cannot allocate memory
triggered when efivarfs_valid_name() returned -EINVAL.
Make sure we pass accurate return values up the stack if
efivarfs_fill_super() fails to build inodes for EFI variables.
Reported-by: Joseph Yasi <joe.yasi@gmail.com>
Reported-by: Lingzhu Xiang <lxiang@redhat.com>
Cc: Josh Boyer <jwboyer@redhat.com>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: <stable@vger.kernel.org> # v3.8
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Matt Fleming [Tue, 5 Mar 2013 07:40:16 +0000 (07:40 +0000)]
efivars: efivarfs_valid_name() should handle pstore syntax
Stricter validation was introduced with commit
da27a24383b2b
("efivarfs: guid part of filenames are case-insensitive") and commit
47f531e8ba3b ("efivarfs: Validate filenames much more aggressively"),
which is necessary for the guid portion of efivarfs filenames, but we
don't need to be so strict with the first part, the variable name. The
UEFI specification doesn't impose any constraints on variable names
other than they be a NULL-terminated string.
The above commits caused a regression that resulted in users seeing
the following message,
$ sudo mount -v /sys/firmware/efi/efivars mount: Cannot allocate memory
whenever pstore EFI variables were present in the variable store,
since their variable names failed to pass the following check,
/* GUID should be right after the first '-' */
if (s - 1 != strchr(str, '-'))
as a typical pstore filename is of the form, dump-type0-10-1-<guid>.
The fix is trivial since the guid portion of the filename is GUID_LEN
bytes, we can use (len - GUID_LEN) to ensure the '-' character is
where we expect it to be.
(The bogus ENOMEM error value will be fixed in a separate patch.)
Reported-by: Joseph Yasi <joe.yasi@gmail.com>
Tested-by: Joseph Yasi <joe.yasi@gmail.com>
Reported-by: Lingzhu Xiang <lxiang@redhat.com>
Cc: Josh Boyer <jwboyer@redhat.com>
Cc: Jeremy Kerr <jk@ozlabs.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: <stable@vger.kernel.org> # v3.8
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Matthew Garrett [Sun, 3 Mar 2013 00:40:17 +0000 (19:40 -0500)]
efi: be more paranoid about available space when creating variables
UEFI variables are typically stored in flash. For various reasons, avaiable
space is typically not reclaimed immediately upon the deletion of a
variable - instead, the system will garbage collect during initialisation
after a reboot.
Some systems appear to handle this garbage collection extremely poorly,
failing if more than 50% of the system flash is in use. This can result in
the machine refusing to boot. The safest thing to do for the moment is to
forbid writes if they'd end up using more than half of the storage space.
We can make this more finegrained later if we come up with a method for
identifying the broken machines.
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Cc: Josh Boyer <jwboyer@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Patrik Jakobsson [Tue, 5 Mar 2013 18:09:37 +0000 (19:09 +0100)]
drm/i915: Fix incorrect definition of ADPA HSYNC and VSYNC bits
Disable bits for ADPA HSYNC and VSYNC where mixed up resulting in suspend
becoming standby and vice versa. Fixed by swapping their bit position.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Li, Zhen-Hua [Wed, 6 Mar 2013 02:43:17 +0000 (10:43 +0800)]
iommu, x86: Add DMA remap fault reason
The number of DMA fault reasons in intel's document are from 1
to 0xD, but in dmar.c fault reason 0xD is not printed out.
In this document:
"Intel Virtualization Technology for Directed I/O Architecture Specification"
http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf
Chapter 4. Support For Device-IOTLBs
Table 6. Unsuccessful Translated Requests
There is fault reason for 0xD not listed in kernel:
Present context-entry used to process translation request
specifies blocking of Translation Requests (Translation Type (T)
field value not equal to 01b).
This patch adds reason 0xD as well.
Signed-off-by: Li, Zhen-Hua <zhen-hual@hp.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Donald Dutile <ddutile@redhat.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Hannes Reinecke <hare@suse.de>
Link: http://lkml.kernel.org/r/1362537797-6034-1-git-send-email-zhen-hual@hp.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Mark Brown [Tue, 5 Mar 2013 14:59:35 +0000 (22:59 +0800)]
ASoC: wm5102: Apply a SYSCLK patch for later revs
Evaluation has identified some performance improvements to the device.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Linus Torvalds [Wed, 6 Mar 2013 02:56:22 +0000 (18:56 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
"Here are a few powerpc bits & fixes for rc1. A couple of str*cpy
fixes, some fixes in handling the FSCR register on Power8 (controls
the enabling of processor features), a 32-bit build fix and a couple
more nits."
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Set DSCR bit in FSCR setup
powerpc: Add DSCR FSCR register bit definition
powerpc: Fix setting FSCR for HV=0 and on secondary CPUs
powerpc: Wireup the kcmp syscall to sys_ni
powerpc: Remove unused BITOP_LE_SWIZZLE macro
powerpc: Avoid link stack corruption in MMU on syscall entry path
drivers/tty/hvc: Use strlcpy instead of strncpy
powerpc/pseries/hvcserver: Fix strncpy buffer limit in location code
powerpc: Fix compile of sha1-powerpc-asm.S on 32-bit
Linus Torvalds [Wed, 6 Mar 2013 02:54:28 +0000 (18:54 -0800)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/rusty/linux
Pull virtio hwrng fix from Rusty Russell:
"Nasty side-effect of vmalloc'ing modules: their static vars cannot be
put into scatterlists. Jens has a check queued for this, so it
shouldn't happen again.
We could fix this in virtio_rng, but it's actually far easier to just
do it in the core"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
hw_random: make buffer usable in scatterlist.
Linus Torvalds [Wed, 6 Mar 2013 02:42:29 +0000 (18:42 -0800)]
Merge git://git./linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"A moderately sized pile of fixes, some specifically for merge window
introduced regressions although others are for longer standing items
and have been queued up for -stable.
I'm kind of tired of all the RDS protocol bugs over the years, to be
honest, it's way out of proportion to the number of people who
actually use it.
1) Fix missing range initialization in netfilter IPSET, from Jozsef
Kadlecsik.
2) ieee80211_local->tim_lock needs to use BH disabling, from Johannes
Berg.
3) Fix DMA syncing in SFC driver, from Ben Hutchings.
4) Fix regression in BOND device MAC address setting, from Jiri
Pirko.
5) Missing usb_free_urb in ISDN Hisax driver, from Marina Makienko.
6) Fix UDP checksumming in bnx2x driver for 57710 and 57711 chips,
fix from Dmitry Kravkov.
7) Missing cfgspace_lock initialization in BCMA driver.
8) Validate parameter size for SCTP assoc stats getsockopt(), from
Guenter Roeck.
9) Fix SCTP association hangs, from Lee A Roberts.
10) Fix jumbo frame handling in r8169, from Francois Romieu.
11) Fix phy_device memory leak, from Petr Malat.
12) Omit trailing FCS from frames received in BGMAC driver, from Hauke
Mehrtens.
13) Missing socket refcount release in L2TP, from Guillaume Nault.
14) sctp_endpoint_init should respect passed in gfp_t, rather than use
GFP_KERNEL unconditionally. From Dan Carpenter.
15) Add AISX AX88179 USB driver, from Freddy Xin.
16) Remove MAINTAINERS entries for drivers deleted during the merge
window, from Cesar Eduardo Barros.
17) RDS protocol can try to allocate huge amounts of memory, check
that the user's request length makes sense, from Cong Wang.
18) SCTP should use the provided KMALLOC_MAX_SIZE instead of it's own,
bogus, definition. From Cong Wang.
19) Fix deadlocks in FEC driver by moving TX reclaim into NAPI poll,
from Frank Li. Also, fix a build error introduced in the merge
window.
20) Fix bogus purging of default routes in ipv6, from Lorenzo Colitti.
21) Don't double count RTT measurements when we leave the TCP receive
fast path, from Neal Cardwell."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (61 commits)
tcp: fix double-counted receiver RTT when leaving receiver fast path
CAIF: fix sparse warning for caif_usb
rds: simplify a warning message
net: fec: fix build error in no MXC platform
net: ipv6: Don't purge default router if accept_ra=2
net: fec: put tx to napi poll function to fix dead lock
sctp: use KMALLOC_MAX_SIZE instead of its own MAX_KMALLOC_SIZE
rds: limit the size allocated by rds_message_alloc()
MAINTAINERS: remove eexpress
MAINTAINERS: remove drivers/net/wan/cycx*
MAINTAINERS: remove 3c505
caif_dev: fix sparse warnings for caif_flow_cb
ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver
sctp: use the passed in gfp flags instead GFP_KERNEL
ipv[4|6]: correct dropwatch false positive in local_deliver_finish
l2tp: Restore socket refcount when sendmsg succeeds
net/phy: micrel: Disable asymmetric pause for KSZ9021
bgmac: omit the fcs
phy: Fix phy_device_free memory leak
bnx2x: Fix KR2 work-around condition
...
Linus Torvalds [Wed, 6 Mar 2013 02:10:04 +0000 (18:10 -0800)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull irq fixes and cleanups from Thomas Gleixner:
"Commit
e5ab012c3271 ("nohz: Make tick_nohz_irq_exit() irq safe") is
the first commit in the series and the minimal necessary bugfix, which
needs to go back into stable.
The remanining commits enforce irq disabling in irq_exit(), sanitize
the hardirq/softirq preempt count transition and remove a bunch of no
longer necessary conditionals."
I personally love getting rid of the very subtle and confusing
IRQ_EXIT_OFFSET thing. Even apart from the whole "more lines removed
than added" thing.
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irq: Don't re-enable interrupts at the end of irq_exit
irq: Remove IRQ_EXIT_OFFSET workaround
Revert "nohz: Make tick_nohz_irq_exit() irq safe"
irq: Sanitize invoke_softirq
irq: Ensure irq_exit() code runs with interrupts disabled
nohz: Make tick_nohz_irq_exit() irq safe
Linus Torvalds [Wed, 6 Mar 2013 02:07:12 +0000 (18:07 -0800)]
Merge branch 'core-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull smpboot bugfix from Thomas Gleixner:
"A single bugfix for a regression introduced with the conversion of the
stop machine threads to the generic smpboot thread management
facility"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
stop_machine: Mark per cpu stopper enabled early
Linus Torvalds [Wed, 6 Mar 2013 01:25:59 +0000 (17:25 -0800)]
Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux
Pull second round of GPIO changes from Grant Likely:
"This branch contains a few bug fixes that I missed the first time
around and updates to the gpio_desc series included in the first pull
request. This tag has been retagged to drop the 2 head commits
because the one of them caused a build failure."
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux:
gpio/gpio-ich: fix ichx_gpio_check_available() return what callers expect
gpiolib: move comment to right function
gpiolib: use const parameters when possible
gpiolib: check descriptors validity before use
Linus Torvalds [Wed, 6 Mar 2013 01:22:08 +0000 (17:22 -0800)]
Merge tag 'md-3.9' of git://neil.brown.name/md
Pull md updates from NeilBrown:
"Mostly little bugfixes.
Only "feature" is a new RAID10 layout which slightly improves the
number of sets of devices that can concurrently fail, without data
loss."
* tag 'md-3.9' of git://neil.brown.name/md:
md: expedite metadata update when switching read-auto -> active
md: remove CONFIG_MULTICORE_RAID456
md/raid1,raid10: fix deadlock with freeze_array()
md/raid0: improve error message when converting RAID4-with-spares to RAID0
md: raid0: fix error return from create_stripe_zones.
md: fix two bugs when attempting to resize RAID0 array.
DM RAID: Add support for MD's RAID10 "far" and "offset" algorithms
MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 2)
MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 1)
MD RAID10: Minor non-functional code changes
md: raid1,10: Handle REQ_WRITE_SAME flag in write bios
md: protect against crash upon fsync on ro array
Borislav Petkov [Mon, 4 Mar 2013 20:16:16 +0000 (21:16 +0100)]
x86, smpboot: Remove unused variable
The cpuinfo_x86 ptr is unused now. Drop it. Got obsolete by
69fb3676df33
("x86 idle: remove mwait_idle() and "idle=mwait" cmdline param")
removing its only user.
[ hpa: fixes gcc warning ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1362428180-8865-2-git-send-email-bp@alien8.de
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Paulo Zanoni [Fri, 22 Feb 2013 20:05:28 +0000 (17:05 -0300)]
drm/i915: also disable south interrupts when handling them
From the docs:
"IIR can queue up to two interrupt events. When the IIR is cleared,
it will set itself again after one clock if a second event was
stored."
"Only the rising edge of the PCH Display interrupt will cause the
North Display IIR (DEIIR) PCH Display Interrupt even bit to be set,
so all PCH Display Interrupts, including back to back interrupts,
must be cleared before a new PCH Display interrupt can cause DEIIR
to be set".
The current code works fine because we don't get many interrupts, but
if we enable the PCH FIFO underrun interrupts we'll start getting so
many interrupts that at some point new PCH interrupts won't cause
DEIIR to be set.
The initial implementation I tried was to turn the code that checks
SDEIIR into a loop, but we can still get interrupts even after the
loop is done (and before the irq handler finishes), so we have to
either disable the interrupts or mask them. In the end I concluded
that just disabling the PCH interrupts is enough, you don't even need
the loop, so this is what this patch implements. I've tested it and it
passes the 2 "PCH FIFO underrun interrupt storms" I can reproduce:
the "ironlake_crtc_disable" case and the "wrong watermarks" case.
In other words, here's how to reproduce the problem fixed by this
patch:
1 - Enable PCH FIFO underrun interrupts (SERR_INT on SNB+)
2 - Boot the machine
3 - While booting we'll get tons of PCH FIFO underrun interrupts
4 - Plug a new monitor
5 - Run xrandr, notice it won't detect the new monitor
6 - Read SDEIIR and notice it's not 0 while DEIIR is 0
Q: Can't we just clear DEIIR before SDEIIR?
A: It doesn't work. SDEIIR has to be completely cleared (including the
interrupts stored on its back queue) before it can flip DEIIR's bit to
1 again, and even while you're clearing it you'll be getting more and
more interrupts.
Q: Why does it work by just disabling+enabling the south interrupts?
A: Because when we re-enable them, if there's something on the SDEIIR
register (maybe an interrupt stored on the queue), the re-enabling
will make DEIIR's bit flip to 1, and since we'll already have
interrupts enabled we'll get another interrupt, then run our irq
handler again to process the "back" interrupts.
v2: Even bigger commit message, added code comments.
Note that this fixes missed dp aux irqs which have been reported for
3.9-rc1. This regression has been introduced by switching to
irq-driven dp aux transactions with
commit
9ee32fea5fe810ec06af3a15e4c65478de56d4f5
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sat Dec 1 13:53:48 2012 +0100
drm/i915: irq-drive the dp aux communication
References: http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg18588.html
References: https://lkml.org/lkml/2013/2/26/769
Tested-by: Imre Deak <imre.deak@intel.com>
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Pimp commit message with references for the dp aux irq
timeout regression this fixes.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Chris Mason [Tue, 5 Mar 2013 16:11:26 +0000 (11:11 -0500)]
Btrfs: enforce min_bytes parameter during extent allocation
Commit
24542bf7ea5e4fdfdb5157ff544c093fa4dcb536 changed preallocation of
extents to cap the max size we try to allocate. It's a valid change,
but the extent reservation code is also used by balance, and that
can't tolerate a smaller extent being allocated.
__btrfs_prealloc_file_range already has a min_size parameter, which is
used by relocation to request a specific extent size. This commit
adds an extra check to enforce that minimum extent size.
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Reported-by: Stefan Behrens <sbehrens@giantdisaster.de>
Takashi Iwai [Tue, 5 Mar 2013 14:43:39 +0000 (15:43 +0100)]
ALSA: vmaster: Fix slave change notification
When a value of a vmaster slave control is changed, the ctl change
notification is sometimes ignored. This happens when the master
control overrides, e.g. when the corresponding master control is
muted. The reason is that slave_put() returns the value of the actual
slave put callback, and it doesn't reflect the virtual slave value
change.
This patch fixes the function just to return 1 whenever a slave value
is changed.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Daniel Vetter [Tue, 5 Mar 2013 08:50:58 +0000 (09:50 +0100)]
drm/i915: enable irqs earlier when resuming
We need it to restore the ilk rc6 context, since the gpu wait no
requires interrupts. But in general having interrupts around should
help in code sanity, since more and more stuff is interrupt driven.
This regression has been introduced in
commit
3e9605018ab3e333d51cc90fccfde2031886763b
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Tue Nov 27 16:22:54 2012 +0000
drm/i915: Rearrange code to only have a single method for waiting upon the ring
Like in the driver load code we need to make sure that hotplug
interrupts don't cause havoc with our modeset state, hence block them
with the existing infrastructure. Again we ignore races where we might
loose hotplug interrupts ...
Note that the driver load part of the regression has already been
fixed in
commit
52d7ecedac3f96fb562cb482c139015372728638
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sat Dec 1 21:03:22 2012 +0100
drm/i915: reorder setup sequence to have irqs for output setup
v2: Add a note to the commit message about which patch fixed the
driver load part of the regression. Stable kernels need to backport
both patches.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=54691
Cc: stable@vger.kernel.org (for 3.8 only, plese backport
52d7ecedac3f96fb5 first)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Reported-and-Tested-by: Ilya Tumaykin <itumaykin@gmail.com>
Reviewed-by: Chris wilson <chris@chris-wilson.co.uk> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Stéphane Marchesin [Wed, 30 Jan 2013 03:41:59 +0000 (19:41 -0800)]
drm/i915: Increase the RC6p threshold.
This increases GEN6_RC6p_THRESHOLD from 100000 to 150000. For some
reason this avoids the gen6_gt_check_fifodbg.isra warnings and
associated GPU lockups, which makes my ivy bridge machine stable.
Signed-off-by: Stéphane Marchesin <marcheu@chromium.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Dave Airlie [Tue, 5 Mar 2013 08:53:15 +0000 (18:53 +1000)]
Merge branch 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6
misc regression fixes from Ben.
* 'drm-nouveau-fixes-3.9' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nv50-: prevent some races between modesetting and page flipping
drm/nouveau/i2c: drop parent refcount when creating ports
drm/nv84: fix regression in page flipping
drm/nouveau: Fix typo in init_idx_addr_latched().
drm/nouveau: Disable AGP on PowerPC again.
drm/nve0/graph: some random reg moved on kepler
Michael Neuling [Mon, 4 Mar 2013 19:45:52 +0000 (19:45 +0000)]
powerpc: Set DSCR bit in FSCR setup
We support DSCR (Data Stream Control Register) so we should make sure we set it
in the FSCR (Facility Status & Control Register) incase some firmwares don't
set it. If we don't set this, we'll take a facility unavailable exception when
using the DSCR.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Michael Neuling [Mon, 4 Mar 2013 19:45:51 +0000 (19:45 +0000)]
powerpc: Add DSCR FSCR register bit definition
This sets the DSCR (Data Stream Control Register) in the FSCR (Facility Status
& Control Register).
Also harmonise TAR (Target Address Register) FSCR bit definition too.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Michael Neuling [Mon, 4 Mar 2013 19:45:50 +0000 (19:45 +0000)]
powerpc: Fix setting FSCR for HV=0 and on secondary CPUs
Currently we only set the FSCR (Facility Status and Control Register) when HV=1
but this feature is available when HV=0 also. This patch sets FSCR when HV=0.
Also, we currently only set the FSCR on the master CPU. This patch also sets
the FSCR on secondary CPUs.
Signed-off-by: Michael Neuling <mikey@neuling.org>
cc: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tony Breeds [Mon, 4 Mar 2013 15:57:30 +0000 (15:57 +0000)]
powerpc: Wireup the kcmp syscall to sys_ni
Since kmp takes 2 unsigned long args there should be a compat wrapper.
Since one isn't provided I think it's safer just to hook this up to not
implemented. If we need it later we can do it properly then.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Akinobu Mita [Sat, 2 Mar 2013 04:06:30 +0000 (04:06 +0000)]
powerpc: Remove unused BITOP_LE_SWIZZLE macro
The BITOP_LE_SWIZZLE macro was used in the little-endian bitops functions
for powerpc. But these functions were converted to generic bitops and
the BITOP_LE_SWIZZLE is not used anymore.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Michael Neuling [Wed, 27 Feb 2013 10:45:52 +0000 (10:45 +0000)]
powerpc: Avoid link stack corruption in MMU on syscall entry path
Currently we use the link register to branch up high in the early MMU on
syscall entry path. Unfortunately, this trashes the link stack as the
address we are going to is not associated with the earlier mflr.
This patch simply converts us to used the count register (volatile over
syscalls anyway) instead. This is much better at predicting in this
scenario and doesn't trash link stack causing a bunch of additional
branch mispredicts later. Benchmarking this on POWER8 saves a bunch of
cycles on Anton's null syscall benchmark here:
http://ozlabs.org/~anton/junkcode/null_syscall.c
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Chen Gang [Mon, 25 Feb 2013 17:43:25 +0000 (17:43 +0000)]
drivers/tty/hvc: Use strlcpy instead of strncpy
when strlen pi->location_code is larger than HVCS_CLC_LENGTH + 1,
original implementation can not let hvcsd->p_location_code NUL terminated.
so need fix it (also can simplify the code)
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Chen Gang [Mon, 25 Feb 2013 16:51:49 +0000 (16:51 +0000)]
powerpc/pseries/hvcserver: Fix strncpy buffer limit in location code
the dest buf len is 80 (HVCS_CLC_LENGTH + 1).
the src buf len is PAGE_SIZE.
if src buf string len is more than 80, it will cause issue.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tony Breeds [Mon, 25 Feb 2013 16:20:05 +0000 (16:20 +0000)]
powerpc: Fix compile of sha1-powerpc-asm.S on 32-bit
When building with CRYPTO_SHA1_PPC enabled we fail with:
powerpc/crypto/sha1-powerpc-asm.S: Assembler messages:
powerpc/crypto/sha1-powerpc-asm.S:116: Error: can't resolve `0' {*ABS* section} - `STACKFRAMESIZE' {*UND* section}
powerpc/crypto/sha1-powerpc-asm.S:116: Error: expression too complex
powerpc/crypto/sha1-powerpc-asm.S:178: Error: unsupported relocation against STACKFRAMESIZE
Use INT_FRAME_SIZE instead of STACKFRAMESIZE.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Tested-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Stephen Warren [Tue, 5 Mar 2013 00:10:20 +0000 (17:10 -0700)]
ASoC: tegra: fix I2S bit count mask
This register field is 11 bits wide, not 15 bits wide. Given the way
this value is currently, used, this patch has no practical effect.
However, it's still best if the value is correct.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Mark Brown [Tue, 5 Mar 2013 02:12:43 +0000 (10:12 +0800)]
Merge remote-tracking branch 'regulator/fix/twl' into tmp
Mark Brown [Tue, 5 Mar 2013 02:12:41 +0000 (10:12 +0800)]
Merge remote-tracking branch 'regulator/fix/palmas' into tmp
Mark Brown [Tue, 5 Mar 2013 02:12:39 +0000 (10:12 +0800)]
Merge remote-tracking branch 'regulator/fix/doc' into tmp
Mark Brown [Tue, 5 Mar 2013 02:12:37 +0000 (10:12 +0800)]
Merge remote-tracking branch 'regulator/fix/db8500' into tmp
Mark Brown [Tue, 5 Mar 2013 02:12:20 +0000 (10:12 +0800)]
Merge remote-tracking branch 'regulator/fix/core' into tmp
Rusty Russell [Mon, 4 Mar 2013 23:37:08 +0000 (10:07 +1030)]
hw_random: make buffer usable in scatterlist.
virtio_rng feeds the randomness buffer handed by the core directly
into the scatterlist, since commit
bb347d98079a547e80bd4722dee1de61e4dca0e8.
However, if CONFIG_HW_RANDOM=m, the static buffer isn't a linear address
(at least on most archs). We could fix this in virtio_rng, but it's actually
far easier to just do it in the core as virtio_rng would have to allocate
a buffer every time (it doesn't know how much the core will want to read).
Reported-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
Stefan Behrens [Mon, 4 Mar 2013 17:28:38 +0000 (17:28 +0000)]
Btrfs: allow running defrag in parallel to administrative tasks
Commit
5ac00add added a testnset mutex and code that disallows
running administrative tasks in parallel. It is prevented that
the device add/delete/balance/replace/resize operations are
started in parallel. By mistake, the defragmentation operation
was included in the check for mutually exclusiveness as well.
This is fixed with this commit.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Liu Bo [Mon, 4 Mar 2013 16:25:41 +0000 (16:25 +0000)]
Btrfs: avoid deadlock on transaction waiting list
Only let one trans handle to wait for other handles, otherwise we
will get ABBA issues.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Liu Bo [Mon, 4 Mar 2013 16:25:40 +0000 (16:25 +0000)]
Btrfs: do not BUG_ON on aborted situation
Btrfs balance can easily hit BUG_ON in these places, but we want
to it bail out gracefully after we force the whole filesystem to
readonly. So we use btrfs_std_error hook in place of BUG_ON.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Liu Bo [Mon, 4 Mar 2013 16:25:39 +0000 (16:25 +0000)]
Btrfs: do not BUG_ON in prepare_to_reloc
We can bail out from here gracefully instead of a cold BUG_ON.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Liu Bo [Mon, 4 Mar 2013 16:25:38 +0000 (16:25 +0000)]
Btrfs: free all recorded tree blocks on error
We've missed the 'free blocks' part on ENOMEM error.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Liu Bo [Mon, 4 Mar 2013 16:25:37 +0000 (16:25 +0000)]
Btrfs: build up error handling for merge_reloc_roots
We first use btrfs_std_error hook to replace with BUG_ON, and we
also need to cleanup what is left, including reloc roots rbtree
and reloc roots list.
Here we use a helper function to cleanup both rbtree and list, and
since this function can also be used in the balance recover path,
we also make the change as well to keep code simple.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Liu Bo [Mon, 4 Mar 2013 16:25:36 +0000 (16:25 +0000)]
Btrfs: check for NULL pointer in updating reloc roots
Add a check for NULL pointer to avoid invalid reference.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Miao Xie [Mon, 4 Mar 2013 09:45:06 +0000 (09:45 +0000)]
Btrfs: fix unclosed transaction handler when the async transaction commitment fails
If the async transaction commitment failed, we need close the
current transaction handler, or the current transaction will be
blocked to commit because of this orphan handler.
We fix the problem by doing sync transaction commitment, that is
to invoke btrfs_commit_transaction().
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Miao Xie [Mon, 4 Mar 2013 09:44:29 +0000 (09:44 +0000)]
Btrfs: fix wrong handle at error path of create_snapshot() when the commit fails
There are several bugs at error path of create_snapshot() when the
transaction commitment failed.
- access the freed transaction handler. At the end of the
transaction commitment, the transaction handler was freed, so we
should not access it after the transaction commitment.
- we were not aware of the error which happened during the snapshot
creation if we submitted a async transaction commitment.
- pending snapshot access vs pending snapshot free. when something
wrong happened after we submitted a async transaction commitment,
the transaction committer would cleanup the pending snapshots and
free them. But the snapshot creators were not aware of it, they
would access the freed pending snapshots.
This patch fixes the above problems by:
- remove the dangerous code that accessed the freed handler
- assign ->error if the error happens during the snapshot creation
- the transaction committer doesn't free the pending snapshots,
just assigns the error number and evicts them before we unblock
the transaction.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Josef Bacik [Fri, 1 Mar 2013 18:35:47 +0000 (13:35 -0500)]
Btrfs: use set_nlink if our i_nlink is 0
We need to inc the nlink of deleted entries when running replay so we can do the
unlink on the fs_root and get everything cleaned up and then have the orphan
cleanup do the right thing. The problem is inc_nlink complains about this, even
thought it still does the right thing. So use set_nlink() if our i_nlink is 0
to keep users from seeing the warnings during log replay. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Neal Cardwell [Mon, 4 Mar 2013 06:23:05 +0000 (06:23 +0000)]
tcp: fix double-counted receiver RTT when leaving receiver fast path
We should not update ts_recent and call tcp_rcv_rtt_measure_ts() both
before and after going to step5. That wastes CPU and double-counts the
receiver-side RTT sample.
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Silviu-Mihai Popescu [Sun, 3 Mar 2013 21:09:31 +0000 (21:09 +0000)]
CAIF: fix sparse warning for caif_usb
This fixes the following sparse warning:
net/caif/caif_usb.c:84:16: warning: symbol 'cfusbl_create' was not
declared. Should it be static?
Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cong Wang [Sun, 3 Mar 2013 20:57:18 +0000 (20:57 +0000)]
rds: simplify a warning message
Cc: David S. Miller <davem@davemloft.net>
Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Frank Li [Sun, 3 Mar 2013 20:52:38 +0000 (20:52 +0000)]
net: fec: fix build error in no MXC platform
build error cause by
Commit
ff43da86c69d76a726ffe7d1666148960dc1d108
("NET: FEC: dynamtic check DMA desc buff type")
drivers/net/ethernet/freescale/fec.c: In function ‘fec_enet_get_nextdesc’:
drivers/net/ethernet/freescale/fec.c:215:18: error: invalid use of undefined type ‘struct bufdesc_ex’
drivers/net/ethernet/freescale/fec.c: In function ‘fec_enet_get_prevdesc’:
drivers/net/ethernet/freescale/fec.c:224:18: error: invalid use of undefined type ‘struct bufdesc_ex’
drivers/net/ethernet/freescale/fec.c: In function ‘fec_enet_start_xmit’:
drivers/net/ethernet/freescale/fec.c:286:37: error: arithmetic on pointer to an incomplete type
drivers/net/ethernet/freescale/fec.c:287:13: error: arithmetic on pointer to an incomplete type
drivers/net/ethernet/freescale/fec.c:324:7: error: dereferencing pointer to incomplete type etc....
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Lorenzo Colitti [Sun, 3 Mar 2013 20:46:46 +0000 (20:46 +0000)]
net: ipv6: Don't purge default router if accept_ra=2
Setting net.ipv6.conf.<interface>.accept_ra=2 causes the kernel
to accept RAs even when forwarding is enabled. However, enabling
forwarding purges all default routes on the system, breaking
connectivity until the next RA is received. Fix this by not
purging default routes on interfaces that have accept_ra=2.
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Frank Li [Sun, 3 Mar 2013 17:34:25 +0000 (17:34 +0000)]
net: fec: put tx to napi poll function to fix dead lock
up stack ndo_start_xmit already hold lock.
fec_enet_start_xmit needn't spin lock.
stat_xmit just update fep->cur_tx
fec_enet_tx just update fep->dirty_tx
Reserve a empty bdb to check full or empty
cur_tx == dirty_tx means full
cur_tx == dirty_tx +1 means empty
So needn't is_full variable.
Fix spin lock deadlock
=================================
[ INFO: inconsistent lock state ]
3.8.0-rc5+ #107 Not tainted
---------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
ptp4l/615 [HC1[1]:SC0[0]:HE0:SE1] takes:
(&(&list->lock)->rlock#3){?.-...}, at: [<
8042c3c4>] skb_queue_tail+0x20/0x50
{HARDIRQ-ON-W} state was registered at:
[<
80067250>] mark_lock+0x154/0x4e8
[<
800676f4>] mark_irqflags+0x110/0x1a4
[<
80069208>] __lock_acquire+0x494/0x9c0
[<
80069ce8>] lock_acquire+0x90/0xa4
[<
80527ad0>] _raw_spin_lock_bh+0x44/0x54
[<
804877e0>] first_packet_length+0x38/0x1f0
[<
804879e4>] udp_poll+0x4c/0x5c
[<
804231f8>] sock_poll+0x24/0x28
[<
800d27f0>] do_poll.isra.10+0x120/0x254
[<
800d36e4>] do_sys_poll+0x15c/0x1e8
[<
800d3828>] sys_poll+0x60/0xc8
[<
8000e780>] ret_fast_syscall+0x0/0x3c
*** DEADLOCK ***
1 lock held by ptp4l/615:
#0: (&(&fep->hw_lock)->rlock){-.-...}, at: [<
80355f9c>] fec_enet_tx+0x24/0x268
stack backtrace:
Backtrace:
[<
800121e0>] (dump_backtrace+0x0/0x10c) from [<
80516210>] (dump_stack+0x18/0x1c)
r6:
8063b1fc r5:
bf38b2f8 r4:
bf38b000 r3:
bf38b000
[<
805161f8>] (dump_stack+0x0/0x1c) from [<
805189d0>] (print_usage_bug.part.34+0x164/0x1a4)
[<
8051886c>] (print_usage_bug.part.34+0x0/0x1a4) from [<
80518a88>] (print_usage_bug+0x78/0x88)
r8:
80065664 r7:
bf38b2f8 r6:
00000002 r5:
00000000 r4:
bf38b000
[<
80518a10>] (print_usage_bug+0x0/0x88) from [<
80518b58>] (mark_lock_irq+0xc0/0x270)
r7:
bf38b000 r6:
00000002 r5:
bf38b2f8 r4:
00000000
[<
80518a98>] (mark_lock_irq+0x0/0x270) from [<
80067270>] (mark_lock+0x174/0x4e8)
[<
800670fc>] (mark_lock+0x0/0x4e8) from [<
80067744>] (mark_irqflags+0x160/0x1a4)
[<
800675e4>] (mark_irqflags+0x0/0x1a4) from [<
80069208>] (__lock_acquire+0x494/0x9c0)
r5:
00000002 r4:
bf38b2f8
[<
80068d74>] (__lock_acquire+0x0/0x9c0) from [<
80069ce8>] (lock_acquire+0x90/0xa4)
[<
80069c58>] (lock_acquire+0x0/0xa4) from [<
805278d8>] (_raw_spin_lock_irqsave+0x4c/0x60)
[<
8052788c>] (_raw_spin_lock_irqsave+0x0/0x60) from [<
8042c3c4>] (skb_queue_tail+0x20/0x50)
r6:
bfbb2180 r5:
bf1d0190 r4:
bf1d0184
[<
8042c3a4>] (skb_queue_tail+0x0/0x50) from [<
8042c4cc>] (sock_queue_err_skb+0xd8/0x188)
r6:
00000056 r5:
bfbb2180 r4:
bf1d0000 r3:
00000000
[<
8042c3f4>] (sock_queue_err_skb+0x0/0x188) from [<
8042d15c>] (skb_tstamp_tx+0x70/0xa0)
r6:
bf0dddb0 r5:
bf1d0000 r4:
bfbb2180 r3:
00000004
[<
8042d0ec>] (skb_tstamp_tx+0x0/0xa0) from [<
803561d0>] (fec_enet_tx+0x258/0x268)
r6:
c089d260 r5:
00001c00 r4:
bfbd0000
[<
80355f78>] (fec_enet_tx+0x0/0x268) from [<
803562cc>] (fec_enet_interrupt+0xec/0xf8)
[<
803561e0>] (fec_enet_interrupt+0x0/0xf8) from [<
8007d5b0>] (handle_irq_event_percpu+0x54/0x1a0)
[<
8007d55c>] (handle_irq_event_percpu+0x0/0x1a0) from [<
8007d740>] (handle_irq_event+0x44/0x64)
[<
8007d6fc>] (handle_irq_event+0x0/0x64) from [<
80080690>] (handle_fasteoi_irq+0xc4/0x15c)
r6:
bf0dc000 r5:
bf811290 r4:
bf811240 r3:
00000000
[<
800805cc>] (handle_fasteoi_irq+0x0/0x15c) from [<
8007ceec>] (generic_handle_irq+0x28/0x38)
r5:
807130c8 r4:
00000096
[<
8007cec4>] (generic_handle_irq+0x0/0x38) from [<
8000f16c>] (handle_IRQ+0x54/0xb4)
r4:
8071d280 r3:
00000180
[<
8000f118>] (handle_IRQ+0x0/0xb4) from [<
80008544>] (gic_handle_irq+0x30/0x64)
r8:
8000e924 r7:
f4000100 r6:
bf0ddef8 r5:
8071c974 r4:
f400010c
r3:
00000000
[<
80008514>] (gic_handle_irq+0x0/0x64) from [<
8000e2e4>] (__irq_svc+0x44/0x5c)
Exception stack(0xbf0ddef8 to 0xbf0ddf40)
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cong Wang [Sun, 3 Mar 2013 16:28:27 +0000 (16:28 +0000)]
sctp: use KMALLOC_MAX_SIZE instead of its own MAX_KMALLOC_SIZE
Don't definite its own MAX_KMALLOC_SIZE, use the one
defined in mm.
Cc: Vlad Yasevich <vyasevich@gmail.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cong Wang [Sun, 3 Mar 2013 16:18:11 +0000 (16:18 +0000)]
rds: limit the size allocated by rds_message_alloc()
Dave Jones reported the following bug:
"When fed mangled socket data, rds will trust what userspace gives it,
and tries to allocate enormous amounts of memory larger than what
kmalloc can satisfy."
WARNING: at mm/page_alloc.c:2393 __alloc_pages_nodemask+0xa0d/0xbe0()
Hardware name: GA-MA78GM-S2H
Modules linked in: vmw_vsock_vmci_transport vmw_vmci vsock fuse bnep dlci bridge 8021q garp stp mrp binfmt_misc l2tp_ppp l2tp_core rfcomm s
Pid: 24652, comm: trinity-child2 Not tainted 3.8.0+ #65
Call Trace:
[<
ffffffff81044155>] warn_slowpath_common+0x75/0xa0
[<
ffffffff8104419a>] warn_slowpath_null+0x1a/0x20
[<
ffffffff811444ad>] __alloc_pages_nodemask+0xa0d/0xbe0
[<
ffffffff8100a196>] ? native_sched_clock+0x26/0x90
[<
ffffffff810b2128>] ? trace_hardirqs_off_caller+0x28/0xc0
[<
ffffffff810b21cd>] ? trace_hardirqs_off+0xd/0x10
[<
ffffffff811861f8>] alloc_pages_current+0xb8/0x180
[<
ffffffff8113eaaa>] __get_free_pages+0x2a/0x80
[<
ffffffff811934fe>] kmalloc_order_trace+0x3e/0x1a0
[<
ffffffff81193955>] __kmalloc+0x2f5/0x3a0
[<
ffffffff8104df0c>] ? local_bh_enable_ip+0x7c/0xf0
[<
ffffffffa0401ab3>] rds_message_alloc+0x23/0xb0 [rds]
[<
ffffffffa04043a1>] rds_sendmsg+0x2b1/0x990 [rds]
[<
ffffffff810b21cd>] ? trace_hardirqs_off+0xd/0x10
[<
ffffffff81564620>] sock_sendmsg+0xb0/0xe0
[<
ffffffff810b2052>] ? get_lock_stats+0x22/0x70
[<
ffffffff810b24be>] ? put_lock_stats.isra.23+0xe/0x40
[<
ffffffff81567f30>] sys_sendto+0x130/0x180
[<
ffffffff810b872d>] ? trace_hardirqs_on+0xd/0x10
[<
ffffffff816c547b>] ? _raw_spin_unlock_irq+0x3b/0x60
[<
ffffffff816cd767>] ? sysret_check+0x1b/0x56
[<
ffffffff810b8695>] ? trace_hardirqs_on_caller+0x115/0x1a0
[<
ffffffff81341d8e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<
ffffffff816cd742>] system_call_fastpath+0x16/0x1b
---[ end trace
eed6ae990d018c8b ]---
Reported-by: Dave Jones <davej@redhat.com>
Cc: Dave Jones <davej@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Chris Metcalf [Mon, 4 Mar 2013 18:37:32 +0000 (13:37 -0500)]
tile: properly use COMPAT_SYSCALL_DEFINEx
This was pointed out by Al Viro. Using the correct wrappers
properly does sign extension as necessary on syscall arguments.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Theodore Ts'o [Mon, 4 Mar 2013 16:59:12 +0000 (11:59 -0500)]
random: fix locking dependency with the tasklist_lock
Commit
6133705494bb introduced a circular lock dependency because
posix_cpu_timers_exit() is called by release_task(), which is holding
a writer lock on tasklist_lock, and this can cause a deadlock since
kill_fasync() gets called with nonblocking_pool.lock taken.
There's no reason why kill_fasync() needs to be taken while the random
pool is locked, so move it out to fix this locking dependency.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reported-by: Russ Dill <Russ.Dill@gmail.com>
Cc: stable@kernel.org
Egbert Eich [Mon, 4 Mar 2013 14:24:38 +0000 (09:24 -0500)]
DRM/i915: On G45 enable cursor plane briefly after enabling the display plane.
On G45 some low res modes (800x600 and 1024x768) produce a blank
screen when the display plane is enabled with with cursor plane
off.
Experiments showed that this issue occurred when the following
conditions were met:
a. a previous mode had the cursor plane enabled (Xserver).
b. this mode or the previous one was using self refresh. (Thus
the problem was only seen with low res modes).
The screens lit up as soon as the cursor plane got enabled.
Therefore the blank screen occurred only in console mode, not
when running an Xserver.
It also seemed to be necessary to disable self refresh while briefly
enabling the cursor plane.
Signed-off-by: Egbert Eich <eich@suse.com>
Bugzilla: https://bugs.freedesktop.org/attachment.cgi?bugid=61457
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
[danvet: drop spurious whitespace change.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Chris Metcalf [Mon, 4 Mar 2013 16:19:09 +0000 (11:19 -0500)]
tile: work around bug in the generic sys_llseek
sys_llseek should specify the high and low 32-bit seek values as "unsigned
int" but instead it specifies "unsigned long". Since compat syscall
arguments are always sign-extended on tile, this means that a seek value
of 0xffffffff will be incorrectly interpreted as a value of -1ULL.
To avoid the risk of breaking binary compatibility on architectures
that already use sys_llseek this way, we follow the same path as MIPS
and provide a wrapper override.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: stable@kernel.org [v3.6 onwards]
Dan Carpenter [Mon, 4 Mar 2013 12:19:18 +0000 (15:19 +0300)]
ALSA: seq: seq_oss_event: missing range checks
The "dev" variable could be out of bounds. Calling
snd_seq_oss_synth_is_valid() checks that it is is a valid device
which has been opened. We check this inside set_note_event() so
this function can't succeed without a valid "dev". But we need to
do the check earlier to prevent invalid dereferences and memory
corruption.
One call tree where "dev" could be out of bounds is:
-> snd_seq_oss_oob_user()
-> snd_seq_oss_process_event()
-> extended_event()
-> note_on_event()
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Rafael J. Wysocki [Sun, 3 Mar 2013 21:35:44 +0000 (22:35 +0100)]
ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type
After PCI and USB have stopped using the .find_bridge() callback in
struct acpi_bus_type, the only remaining user of it is SATA, but SATA
only pretends to be a user, because it points that callback to a stub
always returning -ENODEV.
For this reason, drop the SATA's dummy .find_bridge() callback and
remove .find_bridge(), which is not used any more, from struct
acpi_bus_type entirely.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
Rafael J. Wysocki [Sun, 3 Mar 2013 21:35:20 +0000 (22:35 +0100)]
ACPI / glue: Add .match() callback to struct acpi_bus_type
USB uses the .find_bridge() callback from struct acpi_bus_type
incorrectly, because as a result of the way it is used by USB every
device in the system that doesn't have a bus type or parent is
passed to usb_acpi_find_device() for inspection.
What USB actually needs, though, is to call usb_acpi_find_device()
for USB ports that don't have a bus type defined, but have
usb_port_device_type as their device type, as well as for USB
devices.
To fix that replace the struct bus_type pointer in struct
acpi_bus_type used for matching devices to specific subsystems
with a .match() callback to be used for this purpose and update
the users of struct acpi_bus_type, including USB, accordingly.
Define the .match() callback routine for USB, usb_acpi_bus_match(),
in such a way that it will cover both USB devices and USB ports
and remove the now redundant .find_bridge() callback pointer from
usb_acpi_bus.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jeff Garzik <jgarzik@pobox.com>
Chen Gang [Wed, 27 Feb 2013 04:27:30 +0000 (04:27 +0000)]
ACPI / porocessor: Beautify code, pr->id is u32 which is never < 0
pr->id is u32 which never < 0, so remove the redundant pr->id < 0
check from acpi_processor_add().
[rjw: Changelog]
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Syam Sidhardhan [Sun, 24 Feb 2013 23:12:53 +0000 (23:12 +0000)]
ACPI / processor: Remove redundant NULL check before kfree
kfree() on a NULL pointer is a no-op, so remove a redundant NULL
pointer check in map_mat_entry().
[rjw: Changelog]
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Joe Perches [Fri, 22 Feb 2013 07:37:36 +0000 (07:37 +0000)]
ACPI / Sleep: Avoid interleaved message on errors
Got this dmesg log on an Acer Aspire 725.
[ 0.256351] ACPI: (supports S0ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (
20130117/hwxface-568)
[ 0.256373] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (
20130117/hwxface-568)
[ 0.256391] S3 S4 S5)
Avoid this interleaving error messages.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rafael J. Wysocki [Mon, 4 Mar 2013 13:22:57 +0000 (14:22 +0100)]
PM / QoS: Remove device PM QoS sysfs attributes at the right place
Device PM QoS sysfs attributes, if present during device removal,
are removed from within device_pm_remove(), which is too late,
since dpm_sysfs_remove() has already removed the whole attribute
group they belonged to. However, moving the removal of those
attributes to dpm_sysfs_remove() alone is not sufficient, because
in theory they still can be re-added right after being removed by it
(the device's driver is still bound to it at that point).
For this reason, move the entire desctruction of device PM QoS
constraints to dpm_sysfs_remove() and make it prevent any new
constraints from being added after it has run. Also, move the
initialization of the power.qos field in struct device to
device_pm_init_common() and drop the no longer needed
dev_pm_qos_constraints_init().
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rafael J. Wysocki [Sun, 3 Mar 2013 21:48:14 +0000 (22:48 +0100)]
PM / QoS: Fix concurrency issues and memory leaks in device PM QoS
The current device PM QoS code assumes that certain functions will
never be called in parallel with each other (for example, it is
assumed that dev_pm_qos_expose_flags() won't be called in parallel
with dev_pm_qos_hide_flags() for the same device and analogously
for the latency limit), which may be overly optimistic. Moreover,
dev_pm_qos_expose_flags() and dev_pm_qos_expose_latency_limit()
leak memory in error code paths (req needs to be freed on errors)
and __dev_pm_qos_drop_user_request() forgets to free the request.
To fix the above issues put more things under the device PM QoS
mutex to make them mutually exclusive and add the missing freeing
of memory.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Emilio López [Mon, 25 Feb 2013 11:07:45 +0000 (11:07 +0000)]
cpufreq: highbank: do not initialize array with a loop
As uninitialized array members will be initialized to zero, we can
avoid using a for loop by setting a value to it.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-By: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Nishanth Menon [Tue, 26 Feb 2013 23:53:02 +0000 (23:53 +0000)]
PM / OPP: improve introductory documentation
Make Operating Performance Points (OPP) library introductory chapter
a little more reader-friendly. Split the chapter into two sections,
highlight the definition with an example and minor rewording to be
verbose.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Namhyung Kim [Thu, 28 Feb 2013 05:38:00 +0000 (05:38 +0000)]
cpufreq: Fix a typo in comment
Fix a typo in a comment in cpufreq_governor.h.
[rjw: Changelog]
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Mark Langsdorf [Thu, 28 Feb 2013 18:29:19 +0000 (18:29 +0000)]
mailbox, pl320-ipc: remove __init from probe function
Avoids a section mismatch.
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Paul Mundt [Mon, 4 Mar 2013 01:12:35 +0000 (10:12 +0900)]
metag: Inhibit NUMA balancing.
The metag NUMA implementation follows the SH model, using different nodes for
memories with different latencies. As such, we ensure that automated balancing
between nodes is inhibited, by way of the new ARCH_WANT_VARIABLE_LOCALITY.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
James Hogan [Tue, 26 Feb 2013 11:34:34 +0000 (11:34 +0000)]
metag: remove SET_PERSONALITY()
Commit
e72837e3e7bae3f182c4ac63c9424e86f1158dd0 ("default
SET_PERSONALITY() in linux/elf.h").
The above commit moved the common definition of SET_PERSONALITY() in a
bunch of the arch headers to linux/elf.h. Metag shares that common
definition so remove it from arch/metag/include/asm/elf.h too.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Kees Cook [Thu, 28 Feb 2013 08:39:37 +0000 (00:39 -0800)]
eCryptfs: allow userspace messaging to be disabled
When the userspace messaging (for the less common case of userspace key
wrap/unwrap via ecryptfsd) is not needed, allow eCryptfs to build with
it removed. This saves on kernel code size and reduces potential attack
surface by removing the /dev/ecryptfs node.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Mark Brown [Sat, 2 Mar 2013 07:33:30 +0000 (15:33 +0800)]
hwmon: (sht15) Check return value of regulator_enable()
Not having power is a pretty serious error so check that we are able to
enable the supply and error out if we can't.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org #3.8+; 3.0+ will need manual backport
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Jean Delvare [Thu, 28 Feb 2013 12:05:13 +0000 (13:05 +0100)]
hwmon: (adt7410) Document ADT7420 support
The adt7410 driver supports the ADT7420, but its documentation file
makes no mention of that. Add this refrence, and a brief a description
of the differences between the ADT7410 and the ADT7420.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Guenter Roeck [Thu, 21 Feb 2013 18:49:40 +0000 (10:49 -0800)]
hwmon: (pmbus/ltc2978) Use detected chip ID to select supported functionality
We read the chip ID from the chip, use it to determine if the chip ID provided
to the driver is correct, and report it if wrong. We should also use the
correct chip ID to select supported functionality.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.2+
Acked-by: Jean Delvare <khali@linux-fr.org>
Guenter Roeck [Thu, 21 Feb 2013 17:33:25 +0000 (09:33 -0800)]
hwmon: (pmbus/ltc2978) Fix peak attribute handling
Peak attributes were not initialized and cleared correctly.
Also, temp2_max is only supported on page 0 and thus does not need to be
an array.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.2+
Acked-by: Jean Delvare <khali@linux-fr.org>