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2010-09-17ARM: 6398/1: add proc info for ARM11MPCore/Cortex-A9 from ARMDaniel Walker1-1/+25
Setting of these bits can cause issues on other SMP SoC's not produced by ARM. Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Daniel Walker <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17Merge branch 'fix/hda' into for-linusTakashi Iwai4-1/+15
2010-09-17hwmon: (lm95241) Replace rate sysfs attribute with update_intervalGuenter Roeck1-10/+11
update_interval is the matching attribute defined in the hwmon sysfs ABI. Use it. Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2010-09-17hwmon: (adm1031) Replace update_rate sysfs attribute with update_intervalGuenter Roeck2-23/+27
The attribute reflects an interval, not a rate. Signed-off-by: Guenter Roeck <[email protected]> Acked-by: Ira W. Snyder <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2010-09-17hwmon: (w83627ehf) Use proper exit sequenceJonas Jonsson1-0/+1
According to the datasheet for Winbond W83627DHG the proper way to exit the Extended Function Mode is to write 0xaa to the EFER(0x2e or 0x4e). Signed-off-by: Jonas Jonsson <[email protected]> Signed-off-by: Jean Delvare <[email protected]>
2010-09-17hwmon: (emc1403) Remove unnecessary hwmon_device_unregisterYong Wang1-1/+0
It is unnecessary and wrong to call hwmon_device_unregister in error handling before hwmon_device_register is called. Signed-off-by: Yong Wang <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Cc: [email protected] Signed-off-by: Jean Delvare <[email protected]>
2010-09-17hwmon: (f75375s) Do not overwrite values read from registersGuillem Jover1-2/+2
All bits in the values read from registers to be used for the next write were getting overwritten, avoid doing so to not mess with the current configuration. Signed-off-by: Guillem Jover <[email protected]> Cc: Riku Voipio <[email protected]> Cc: [email protected] Signed-off-by: Jean Delvare <[email protected]>
2010-09-17hwmon: (f75375s) Shift control mode to the correct bit positionGuillem Jover1-1/+1
The spec notes that fan0 and fan1 control mode bits are located in bits 7-6 and 5-4 respectively, but the FAN_CTRL_MODE macro was making the bits shift by 5 instead of by 4. Signed-off-by: Guillem Jover <[email protected]> Cc: Riku Voipio <[email protected]> Cc: [email protected] Signed-off-by: Jean Delvare <[email protected]>
2010-09-17hwmon: New subsystem maintainersJean Delvare1-1/+4
Guenter Roeck volunteered to adopt the hwmon subsystem as long as he wasn't the only maintainer. As this was also my own condition, we can add the two of us as co-maintainers of the hwmon subsystem. Signed-off-by: Jean Delvare <[email protected]> Acked-by: Guenter Roeck <[email protected]>
2010-09-17hwmon: (lis3lv02d) Prevent NULL pointer dereferenceKuninori Morimoto2-4/+4
If CONFIG_PM was selected and lis3lv02d_platform_data was NULL, the kernel will be panic when halt command run. Reported-by: Yusuke Goda <[email protected]> Signed-off-by: Kuninori Morimoto <[email protected]> Acked-by: Samu Onkalo <[email protected]> Sigend-off-by: Jean Delvare <[email protected]>
2010-09-17ceph: only send one flushsnap per cap_snap per mds sessionSage Weil3-6/+18
Sending multiple flushsnap messages is problematic because we ignore the response if the tid doesn't match, and the server may only respond to each one once. It's also a waste. So, skip cap_snaps that are already on the flushing list, unless the caller tells us to resend (because we are reconnecting). Signed-off-by: Sage Weil <[email protected]>
2010-09-17ARM: prevent multiple syscall restartsRussell King1-0/+2
Al Viro reports that calling "sys_sigsuspend(-ERESTARTNOHAND, 0, 0)" with two signals coming and being handled in kernel space results in the syscall restart being done twice. Avoid this by clearing the 'why' flag when we call the signal handling code to prevent further syscall restarts after the first. Acked-by: Al Viro <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17GFS2: gfs2_logd should be using interruptible waitsSteven Whitehouse1-1/+1
Looks like this crept in, in a recent update. Reported-by: Krzysztof Urbaniak <[email protected]> Signed-off-by: Steven Whitehouse <[email protected]>
2010-09-17ARM: 6395/1: VExpress: Set bit 22 in the PL310 (cache controller) AuxCtlr ↵Catalin Marinas1-1/+1
register Clearing bit 22 in the PL310 Auxiliary Control register (shared attribute override enable) has the side effect of transforming Normal Shared Non-cacheable reads into Cacheable no-allocate reads. Coherent DMA buffers in Linux always have a Cacheable alias via the kernel linear mapping and the processor can speculatively load cache lines into the PL310 controller. With bit 22 cleared, Non-cacheable reads would unexpectedly hit such cache lines leading to buffer corruption. Cc: Nicolas Pitre <[email protected]> Cc: <[email protected]> Signed-off-by: Catalin Marinas <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17ARM: 6389/1: errata: incorrect hazard handling in the SCU may lead to data ↵Will Deacon2-0/+23
corruption On the r2p0, r2p1 and r2p2 versions of the Cortex-A9, data corruption can occur if a shared cache line is replaced on one CPU as another CPU is accessing it. This workaround sets two bits in the diagnostic register of the Cortex-A9, reducing the linefill issuing capabilities of the processor and avoiding the erroneous behaviour. Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17ARM: 6388/1: errata: DMB operation may be faultyWill Deacon2-2/+26
On versions of the Cortex-A9 up to and including r2p2, under rare circumstances, a DMB instruction between 2 write operations may not ensure the correct visibility ordering of the 2 writes. This workaround sets a bit in the diagnostic register of the Cortex-A9, causing the DMB instruction to behave like a DSB, which functions correctly on the affected cores. Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17ARM: 6387/1: errata: check primary part ID in proc-v7.SWill Deacon1-3/+8
Kconfig doesn't have any knowledge of specific v7 cores, so it is possible to select errata workarounds that may cause inadvertent behaviour when executed on a core other than those targetted by the fix. This patch improves the variant and revision checking in proc-v7.S so that the primary part number is also considered when applying errata workarounds. Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17ARM: 6377/1: supply _cansleep gpio function to U300Linus Walleij1-0/+3
We have to use _cansleep gpio accessors in the MMCI driver so as to avoid slowpath warnings, now U300 has MMCI but doesn't have these functions in place to siply wrap the existing non-sleeping functions into sleepable variants. Signed-off-by: Linus Walleij <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17ARM: 6376/1: plat-nomadik: MTU: Change prescaler limit and comment updatesLinus Walleij1-7/+10
The prescaler 16 is now used only when the timer runs at 32 MHz or more. Some comment updates as well. Acked-by: Alessandro Rubini <[email protected]> Signed-off-by: Jonas Aaberg <[email protected]> Signed-off-by: Linus Walleij <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17ARM: 6375/1: plat-nomadik: MTU timer trivial bug fixLinus Walleij1-14/+2
timer0 to 3 are all on mtu block 0, so don't calculate the clock event rate based upon mtu block 1's clock speed. Acked-by: Alessandro Rubini <[email protected]> Signed-off-by: Jonas Aaberg <[email protected]> Signed-off-by: Linus Walleij <[email protected]> Signed-off-by: Russell King <[email protected]>
2010-09-17drm/i915,agp/intel: Add second set of PCI-IDs for B43Chris Wilson3-0/+5
There is a second revision of B43 (a desktop gen4 part) floating around, functionally equivalent to the original B43, so simply add the new PCI-IDs. Bugzilla: https://bugs.freedesktop.org/show_bugs.cgi?id=30221 Signed-off-by: Chris Wilson <[email protected]> Cc: [email protected]
2010-09-17drm/i915: Fix Sandybridge fence registersChris Wilson2-22/+51
With 5 places to update when adding handling for fence registers, it is easy to overlook one or two. Correct that oversight, but fence management should be improved before a new set of registers is added. Bugzilla: https://bugs.freedesktop.org/show_bug?id=30199 Original patch by: Yuanhan Liu <[email protected]> Signed-off-by: Chris Wilson <[email protected]> Cc: [email protected]
2010-09-17drm/i915/crt: Downgrade warnings for hotplug failuresChris Wilson1-2/+2
These are not fatal errors, so do not alarm the user by filling the logs with *** ERROR ***. Especially as we know that g4x CRT detection is a little sticky. On the one hand the errors are valid since they are warning us of a stall -- we poll the register whilst holding the mode lock so not even the mouse will update. On the other hand, those stalls were already present yet nobody complained. Reported-by: Andi Kleen <[email protected]> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=18332 Signed-off-by: Chris Wilson <[email protected]>
2010-09-16net/llc: storing negative error codes in unsigned shortDan Carpenter1-1/+1
If the alloc_skb() fails then we return 65431 instead of -ENOBUFS (-105). Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-09-16MAINTAINERS: move atlx discussions to netdevChris Snook1-1/+1
The atlx drivers are sufficiently mature that we no longer need a separate mailing list for them. Move the discussion to netdev, so we can decommission atl1-devel, which is now mostly spam. Signed-off-by: Chris Snook <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-09-16drivers/net/cxgb3/cxgb3_main.c: prevent reading uninitialized stack memoryDan Rosenberg1-0/+2
Fixed formatting (tabs and line breaks). The CHELSIO_GET_QSET_NUM device ioctl allows unprivileged users to read 4 bytes of uninitialized stack memory, because the "addr" member of the ch_reg struct declared on the stack in cxgb_extension_ioctl() is not altered or zeroed before being copied back to the user. This patch takes care of it. Signed-off-by: Dan Rosenberg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-09-16drivers/net/eql.c: prevent reading uninitialized stack memoryDan Rosenberg1-0/+2
Fixed formatting (tabs and line breaks). The EQL_GETMASTRCFG device ioctl allows unprivileged users to read 16 bytes of uninitialized stack memory, because the "master_name" member of the master_config_t struct declared on the stack in eql_g_master_cfg() is not altered or zeroed before being copied back to the user. This patch takes care of it. Signed-off-by: Dan Rosenberg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-09-16drivers/net/usb/hso.c: prevent reading uninitialized memoryDan Rosenberg1-0/+2
Fixed formatting (tabs and line breaks). The TIOCGICOUNT device ioctl allows unprivileged users to read uninitialized stack memory, because the "reserved" member of the serial_icounter_struct struct declared on the stack in hso_get_count() is not altered or zeroed before being copied back to the user. This patch takes care of it. Signed-off-by: Dan Rosenberg <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-09-16xfrm: dont assume rcu_read_lock in xfrm_output_one()Eric Dumazet1-1/+1
ip_local_out() is called with rcu_read_lock() held from ip_queue_xmit() but not from other call sites. Reported-and-bisected-by: Nick Bowler <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2010-09-17md: fix v1.x metadata update when a disk is missing.NeilBrown1-1/+3
If an array with 1.x metadata is assembled with the last disk missing, md doesn't properly record the fact that the disk was missing. This is unlikely to cause a real problem as the event count will be different to the count on the missing disk so it won't be included in the array. However it could still cause confusion. So make sure we clear all the relevant slots, not just the early ones. Signed-off-by: NeilBrown <[email protected]>
2010-09-17md: call md_update_sb even for 'external' metadata arrays.NeilBrown1-1/+1
Now that we depend on md_update_sb to clear variable bits in mddev->flags (rather than trying not to set them) it is important to always call md_update_sb when appropriate. md_check_recovery has this job but explicitly avoids it for ->external metadata arrays. This is not longer appropraite, or needed. However we do want to avoid taking the mddev lock if only MD_CHANGE_PENDING is set as that is not cleared by md_update_sb for external-metadata arrays. Reported-by: "Kwolek, Adam" <[email protected]> Signed-off-by: NeilBrown <[email protected]>
2010-09-17hw breakpoints: Fix pid namespace bugMatt Helsley1-1/+2
Hardware breakpoints can't be registered within pid namespaces because tsk->pid is passed rather than the pid in the current namespace. (See https://bugzilla.kernel.org/show_bug.cgi?id=17281 ) This is a quick fix demonstrating the problem but is not the best method of solving the problem since passing pids internally is not the best way to avoid pid namespace bugs. Subsequent patches will show a better solution. Much thanks to Frederic Weisbecker <[email protected]> for doing the bulk of the work finding this bug. Reported-by: Robin Green <[email protected]> Signed-off-by: Matt Helsley <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> Cc: Prasad <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Will Deacon <[email protected]> Cc: Mahesh Salgaonkar <[email protected]> Cc: 2.6.33-2.6.35 <[email protected]> LKML-Reference: <f63454af09fb1915717251570423eb9ddd338340.1284407762.git.matthltc@us.ibm.com> Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]>
2010-09-16Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds6-39/+23
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: hpet: Work around hardware stupidity x86, build: Disable -fPIE when compiling with CONFIG_CC_STACKPROTECTOR=y x86, cpufeature: Suppress compiler warning with gcc 3.x x86, UV: Fix initialization of max_pnode
2010-09-17x86: Fix instruction breakpoint encodingFrederic Weisbecker2-22/+20
Lengths and types of breakpoints are encoded in a half byte into CPU registers. However when we extract these values and store them, we add a high half byte part to them: 0x40 to the length and 0x80 to the type. When that gets reloaded to the CPU registers, the high part is masked. While making the instruction breakpoints available for perf, I zapped that high part on instruction breakpoint encoding and that broke the arch -> generic translation used by ptrace instruction breakpoints. Writing dr7 to set an inst breakpoint was then failing. There is no apparent reason for these high parts so we could get rid of them altogether. That's an invasive change though so let's do that later and for now fix the problem by restoring that inst breakpoint high part encoding in this sole patch. Reported-by: Kelvie Wong <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]> Cc: Prasad <[email protected]> Cc: Mahesh Salgaonkar <[email protected]> Cc: Will Deacon <[email protected]>
2010-09-16ceph: fix cap_snap and realm splitSage Weil3-61/+33
The cap_snap creation/queueing relies on both the current i_head_snapc _and_ the i_snap_realm pointers being correct, so that the new cap_snap can properly reference the old context and the new i_head_snapc can be updated to reference the new snaprealm's context. To fix this, we: - move inodes completely to the new (split) realm so that i_snap_realm is correct, and - generate the new snapc's _before_ queueing the cap_snaps in ceph_update_snap_trace(). Signed-off-by: Sage Weil <[email protected]>
2010-09-17firewire: nosy: fix build when CONFIG_FIREWIRE=NStefan Richter1-1/+1
drivers/firewire/nosy* is a stand-alone driver that does not depend on CONFIG_FIREWIRE. Hence let make descend into drivers/firewire/ also if that option is off. The stand-alone driver drivers/ieee1394/init_ohci1394_dma* will soon be moved into drivers/firewire/ too and will require the same makefile fix. Side effect: As mentioned in https://bugzilla.novell.com/show_bug.cgi?id=586172#c24 this influences the order in which either firewire-ohci or ohci1394 is going to be bound to an OHCI-1394 controller in case of a modular build of both drivers if no modprobe blacklist entries are configured. However, a user of such a setup cannot expect deterministic behavior anyway. The Kconfig help and the migration guide at ieee1394.wiki.kernel.org recommend blacklist entries when a dual IEEE 1394 stack build is being used. (The coexistence period of the two stacks is planned to end soon.) Cc: Michal Marek <[email protected]> Signed-off-by: Stefan Richter <[email protected]>
2010-09-16ALSA: pcm - Fix race with proc filesTakashi Iwai1-9/+24
The PCM proc files may open a race against substream close, which can end up with an Oops. Use the open_mutex to protect for it. Signed-off-by: Takashi Iwai <[email protected]>
2010-09-16ALSA: pcm - Fix unbalanced pm_qos_requestTakashi Iwai1-0/+2
The pm_qos_request isn't freed properly when OSS PCM emulation is used because it skips snd_pcm_hw_free() call but directly releases the stream. This resulted in Oops later. Tested-by: Simon Kirby <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2010-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds1-3/+3
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: cifs: fix potential double put of TCP session reference
2010-09-16Merge branch 'release' of ↵Linus Torvalds1-31/+11
git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Optimize ticket spinlocks in fsys_rt_sigprocmask
2010-09-16Merge branch '2.6.36-fixes' of git://github.com/schandinat/linux-2.6Linus Torvalds1-0/+2
* '2.6.36-fixes' of git://github.com/schandinat/linux-2.6: drivers/video/via/ioctl.c: prevent reading uninitialized stack memory
2010-09-16Merge branch 'urgent' of ↵Linus Torvalds3-106/+146
git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 * 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: pcmcia pcnet_cs: try setting io_lines to 16 if card setup fails pcmcia: per-device, not per-socket debug messages pcmcia serial_cs.c: fix multifunction card handling
2010-09-16Merge git://git.infradead.org/users/cbou/battery-2.6.36Linus Torvalds2-3/+4
* git://git.infradead.org/users/cbou/battery-2.6.36: apm_power: Add missing break statement intel_pmic_battery: Fix battery charging status on mrst
2010-09-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds3-6/+15
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: watchdog: Enable NXP LPC32XX support in Kconfig (resend) watchdog: ts72xx_wdt: disable watchdog at probe watchdog: sb_wdog: release irq and reboot notifier in error path and module_exit()
2010-09-16Merge branch 'stable' of ↵Linus Torvalds12-51/+94
git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile * 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: arch/tile: fix formatting bug in register dumps arch/tile: fix memcpy_fromio()/memcpy_toio() signatures arch/tile: Save and restore extra user state for tilegx arch/tile: Change struct sigcontext to be more useful arch/tile: finish const-ifying sys_execve()
2010-09-16Merge branch 'for-linus' of ↵Linus Torvalds12-40/+33
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: regulator: wm8350-regulator - fix the logic of checking REGULATOR_MODE_STANDBY mode regulator: wm831x-ldo - fix the logic to set REGULATOR_MODE_IDLE and REGULATOR_MODE_STANDBY modes regulator: ab8500 - fix off-by-one value range checking for selector regulator: 88pm8607 - fix value range checking for accessing info->vol_table regulator: isl6271a-regulator - fix regulator_desc parameter for regulator_register() regulator: ad5398 - fix a memory leak regulator: Update e-mail address for Liam Girdwood regulator: set max8998->dev to &pdev->dev. regulator: tps6586x-regulator - fix bit_mask parameter for tps6586x_set_bits() regulator: tps6586x-regulator - fix value range checking for val regulator: max8998 - set max8998->num_regulators regulator: max8998 - fix memory allocation size for max8998->rdev regulator: tps6507x - remove incorrect comments regulator: max1586 - improve the logic of choosing selector regulator: ab8500 - fix the logic to remove already registered regulators in error path regulator: ab3100 - fix the logic to remove already registered regulators in error path regulator/ab8500: move dereference below the check for NULL
2010-09-16Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds3-10/+401
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: add documentation
2010-09-16Merge branch 'drm-fixes' of ↵Linus Torvalds24-67/+197
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: only warn on mipmap size checks in r600 cs checker (v2) drm/radeon/kms: force legacy pll algo for RV620 LVDS drm: fix race between driver loading and userspace open. drm: Use a nondestructive mode for output detect when polling (v2) drm/radeon/kms: fix the colorbuffer CS checker for r300-r500 drm/radeon/kms: increase lockup detection interval to 10 sec for r100-r500 drm/radeon/kms/evergreen: fix backend setup drm: Use a nondestructive mode for output detect when polling drm/radeon: add some missing copyright headers drm: Only decouple the old_fb from the crtc is we call mode_set* drm/radeon/kms: don't enable underscan with interlaced modes drm/radeon/kms: add connector table for Mac x800 drm/radeon/kms: fix regression in RMX code (v2) drm: Fix regression in disable polling e58f637
2010-09-16Merge branch 'urgent' of ↵Ingo Molnar1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/urgent
2010-09-16oprofile: Add Support for Intel CPU Family 6 / Model 22 (Intel Celeron 540)Patrick Simmons1-1/+3
This patch adds CPU type detection for the Intel Celeron 540, which is part of the Core 2 family according to Wikipedia; the family and ID pair is absent from the Volume 3B table referenced in the source code comments. I have tested this patch on an Intel Celeron 540 machine reporting itself as Family 6 Model 22, and OProfile runs on the machine without issue. Spec: http://download.intel.com/design/mobile/SPECUPDT/317667.pdf Signed-off-by: Patrick Simmons <[email protected]> Acked-by: Andi Kleen <[email protected]> Acked-by: Arnd Bergmann <[email protected]> Cc: [email protected] Signed-off-by: Robert Richter <[email protected]>
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