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2012-06-11x86: kvmclock: remove check_and_clear_guest_paused warningMarcelo Tosatti
CPU offline path calls the hrtimer interrupt handler with interrupts disabled, without touching preempt_count, triggering this warning. Remove the warning since it is supposed to be used from hrtimer interrupt context only. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-06-12m68k: make syscall_trace_enter/leave exist for non-MMU classic m68k typesGreg Ungerer
The assembler entry code calls directly to the syscall_trace_enter() and syscall_trace_leave() functions. But currently they are conditionaly compiled out for the non-MMU classic m68k CPU types (so 68328 for example), resulting in a link error: LD vmlinux arch/m68k/platform/68328/built-in.o: In function `do_trace': (.text+0x1c): undefined reference to `syscall_trace_enter' arch/m68k/platform/68328/built-in.o: In function `do_trace': (.text+0x4c): undefined reference to `syscall_trace_leave' Change the conditional check that includes these functions to be true for the !defined(CONFIG_MMU) case as well. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2012-06-12m68knommu: fix 68360 local setting of timer interrupt handlerGreg Ungerer
Compiling for 68360 based targets fails with: arch/m68k/platform/68360/config.c: In function ‘hw_tick’: arch/m68k/platform/68360/config.c:55:2: error: implicit declaration of function ‘arch_timer_interrupt’ arch/m68k/platform/68360/config.c: At top level: arch/m68k/platform/68360/config.c:64:6: error: conflicting types for ‘hw_timer_init’ arch/m68k/include/asm/machdep.h:36:13: note: previous declaration of ‘hw_timer_init’ was here Changes made to hw_timer_init() didn't get updated in the 68328 timer code. So process and call the "handler" arg that is now passed into that hw_timer_init() function. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-06-12m68knommu: fix 68328 local setting of timer interrupt handlerGreg Ungerer
Compiling for 68328 based targets fails with: arch/m68k/platform/68328/timers.c: In function ‘hw_tick’: arch/m68k/platform/68328/timers.c:65:2: error: implicit declaration of function ‘arch_timer_interrupt’ arch/m68k/platform/68328/timers.c: At top level: arch/m68k/platform/68328/timers.c:102:6: error: conflicting types for ‘hw_timer_init’ arch/m68k/include/asm/machdep.h:36:13: note: previous declaration of ‘hw_timer_init’ was here Changes made to hw_timer_init() didn't get updated in the 68328 timer code. So process and call the "handler" arg that is now passed into that hw_timer_init() function. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-06-12m68k: fix inclusion of arch_gettimeoffset for non-MMU 68k classic CPU typesGreg Ungerer
When building for non-MMU based classic 68k CPU types (like the 68328 for example) you get a compilation error: CC arch/m68k/kernel/time.o arch/m68k/kernel/time.c:91:5: error: redefinition of ‘arch_gettimeoffset’ include/linux/time.h:145:19: note: previous definition of ‘arch_gettimeoffset’ was here The arch_gettimeoffset() code is included when building for these CPU types, but it shouldn't be. Those machine types do not have CONFIG_ARCH_USES_GETTIMEOFFSET set. The fix is simply to conditionally include the arch_gettimeoffset() code on that same config setting that specifies its use or not. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
2012-06-12m68knommu: m528x qspi definition fixSteven King
The consolidation of the qspi code missed a definition for 528x. Signed-off-by: Steven King <sfking@fdwdc.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
2012-06-11sparc: remove two unused headersPaul Bolle
Nothing includes these two headers. None of the macros they define are used anywhere in the tree. This was also the case in v2.6.12-rc2 and, presumably, every release in between. These two headers can safely be removed. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11tilegx network driver: initial supportChris Metcalf
This change adds support for the tilegx network driver based on the GXIO IORPC support in the tilegx software stack, using the on-chip mPIPE packet processing engine. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11tg3: Apply short DMA frag workaround to 5906Matt Carlson
5906 devices also need the short DMA fragment workaround. This patch makes the necessary change. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Tested-by: Christian Kujau <lists@nerdbynature.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11net: stmmac: Fix clock en-/disable callsStefan Roese
clk_{un}prepare is mandatory for platforms using common clock framework. Since these drivers are used by SPEAr platform, which supports common clock framework, add clk_{un}prepare() support for them. Otherwise the clocks are not correctly en-/disabled and ethernet support doesn't work. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Viresh Kumar <viresh.linux@gmail.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11rpc_pipefs: allow rpc_purge_list to take a NULL waitq pointerJeff Layton
In the event that we don't have a dentry for a rpc_pipefs pipe, we still need to allow the queue_timeout job to clean out the queue. There's just no waitq to wake up in that event. Cc: stable@kernel.org Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> Reported-by: Joerg Platte <jplatte@naasa.net> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-11NFSv4 do not send an empty SETATTR compoundAndy Adamson
Commit 536e43d12b9517bbbf6114cd1a12be27857a4d7a ATTR_OPEN check can result in an ia_valid with only ATTR_FILE set, and no NFS_VALID_ATTRS attributes to request from the server. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-11NFSv2: EOF incorrectly set on short readSachin Prabhu
In cases where the server returns fewer bytes then those requested, we can incorrectly set the eof flag for the file. Fixing this allows the request to be retried with updated offset and count arguments. Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-11lpc_eth: fix tx completionEric Dumazet
__lpc_handle_xmit() has two bugs : 1) It can leak skbs in case TXSTATUS_ERROR is set 2) It can wake up txqueue while no slot was freed. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Roland Stigge <stigge@antcom.de> Tested-by: Roland Stigge <stigge@antcom.de> Cc: Kevin Wells <kevin.wells@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11lpc_eth: add missing ndo_change_mtu()Eric Dumazet
lpc_eth does a copy of transmitted skbs to DMA area, without checking skb lengths, so can trigger buffer overflows : memcpy(pldat->tx_buff_v + txidx * ENET_MAXF_SIZE, skb->data, len); One way to get bigger skbs is to allow MTU changes above the 1500 limit. Calling eth_change_mtu() in ndo_change_mtu() makes sure this cannot happen. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Roland Stigge <stigge@antcom.de> Cc: Kevin Wells <kevin.wells@nxp.com> Acked-by: Roland Stigge <stigge@antcom.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2012-06-11ALSA: hda - Fix detection of Creative SoundCore3D controllersTakashi Iwai
The PCI ID entries of Creative SoundCore3D HD-audio controllers should be before the wildcard for vendor = Creative. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
Pull crypto fixes from Herbert Xu: "This push fixes an unaligned fault on x86-32 with aesni-intel and an RNG failure with atmel-rng (repeated bits)." * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni-intel - fix unaligned cbc decrypt for x86-32 hwrng: atmel-rng - fix race condition leading to repeated bits
2012-06-11ARM: mm: fix type of the arm_dma_limit global variableMarek Szyprowski
arm_dma_limit stores physical address of maximal address accessible by DMA, so the phys_addr_t type makes much more sense for it instead of u32. This patch fixes the following build warning: arch/arm/mm/init.c:380: warning: comparison of distinct pointer types lacks a cast Reported-by: Russell King <linux@arm.linux.org.uk> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-06-11ARM: dma-mapping: Add missing static storage class specifierSachin Kamat
Fixes the following sparse warnings: arch/arm/mm/dma-mapping.c:231:15: warning: symbol 'consistent_base' was not declared. Should it be static? arch/arm/mm/dma-mapping.c:326:8: warning: symbol 'coherent_pool_size' was not declared. Should it be static? Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2012-06-11x86/mm: Fix some kernel-doc warningsWanpeng Li
Fix kernel-doc warnings in arch/x86/mm/ioremap.c and arch/x86/mm/pageattr.c, just like this one: Warning(arch/x86/mm/ioremap.c:204): No description found for parameter 'phys_addr' Warning(arch/x86/mm/ioremap.c:204): Excess function parameter 'offset' description in 'ioremap_nocache' Signed-off-by: Wanpeng Li <liwp@linux.vnet.ibm.com> Cc: Gavin Shan <shangw@linux.vnet.ibm.com> Cc: Wanpeng Li <liwp.linux@gmail.com> Link: http://lkml.kernel.org/r/1339296652-2935-1-git-send-email-liwp.linux@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-06-11Merge branch 'rcu/urgent' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/urgent Merge RCU fixes from Paul E. McKenney: " This series has four patches, the major point of which is to eliminate some slowdowns (including boot-time slowdowns) resulting from some RCU_FAST_NO_HZ changes. The issue with the changes is that posting timers from the idle loop has no effect if the CPU has entered dyntick-idle mode because the CPU has already computed its wakeup time, and posting a timer does not cause it to be recomputed. The short-term fix is for RCU to precompute the timeout value so that the CPU's calculation is correct. " Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-06-11dummy: fix rcu_sched self-detected stallsEric Dumazet
Trying to "modprobe dummy numdummies=30000" triggers : INFO: rcu_sched self-detected stall on CPU { 8} (t=60000 jiffies) After this splat, RTNL is locked and reboot is needed. We must call cond_resched() to avoid this, even holding RTNL. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11clocksource: sh_tmu: Use clockevents_config_and_register().Paul Mundt
This switches over to the now exported clockevents_config() and clockevents_config_and_register() helpers. This knocks off a long-standing TMU TODO item. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-11net: Reorder initialization in ip_route_output to fix gcc warningRoland Dreier
If I build with W=1, for every file that includes <net/route.h>, I get the warning include/net/route.h: In function 'ip_route_output': include/net/route.h:135:3: warning: initialized field overwritten [-Woverride-init] include/net/route.h:135:3: warning: (near initialization for 'fl4') [-Woverride-init] (This is with "gcc (Debian 4.6.3-1) 4.6.3") A fix seems pretty trivial: move the initialization of .flowi4_tos earlier. As far as I can tell, this has no effect on code generation. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-11clocksource: sh_tmu: Convert timer lock to raw spinlock.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-11clocksource: sh_mtu2: Convert timer lock to raw spinlock.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-11clocksource: sh_cmt: Convert timer lock to raw spinlock.Paul Mundt
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-11bug.h: need linux/kernel.h for TAINT_WARN.Paul Mundt
asm-generic/bug.h uses taint flags that are only defined in linux/kernel.h, resulting in build failures on platforms that don't include linux/kernel.h some other way: arch/sh/include/asm/thread_info.h:172:2: error: 'TAINT_WARN' undeclared (first use in this function) Caused by commit edd63a2763bd ("set_restore_sigmask() is never called without SIGPENDING (and never should be)"). Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-06-11Merge tag 'regmap-3.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap fixes from Mark Brown: "Nothing too exciting - a cleanup for debugfs in error handling and a fix for the padding (which has only just acquired real use) and exporting a function that's supposed to be usable by drivers." * tag 'regmap-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: Export regmap_reinit_cache() regmap: Fix the size calculation for map->format.buf_size regmap: clean up debugfs if regmap_init fails
2012-06-11Merge tag 'regulator-3.5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "A couple of small fixes, plus larger fixes for the gpio-regulator driver the most recent changes for which had apparently not been tested at all in -next (or elsewhere from the looks of it)." * tag 'regulator-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: core: Properly handle the case min_uV < rdev->desc->min_uV in map_voltage_linear regulator: max8649: fix missing regmap in rdev regulator: gpio-regulator: populate selector from set_voltage regulator: gpio-regulator: Fix finding of smallest value regulator: gpio-regulator: do not pass drvdata pointer as reference regulator: anatop: Use correct __devexit_p annotation regulator: palmas: Fix wrong kfree calls
2012-06-10virtio-net: fix a race on 32bit archesEric Dumazet
commit 3fa2a1df909 (virtio-net: per cpu 64 bit stats (v2)) added a race on 32bit arches. We must use separate syncp for rx and tx path as they can be run at the same time on different cpus. Thus one sequence increment can be lost and readers spin forever. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-10r8169: avoid NAPI scheduling delay.françois romieu
While reworking the r8169 driver a few months ago to perform the smallest amount of work in the irq handler, I took care of avoiding any irq mask register operation in the slow work dedicated user context thread. The slow work thread scheduled an extra round of NAPI work which would ultimately set the irq mask register as required, thus keeping such irq mask operations in the NAPI handler. It would eventually race with the irq handler and delay NAPI execution for - assuming no further irq - a whole ksoftirqd period. Mildly a problem for rare link changes or corner case PCI events. The race was always lost after the last bh disabling lock had been removed from the work thread and people started wondering where those pesky "NOHZ: local_softirq_pending 08" messages came from. Actually the irq mask register _can_ be set up directly in the slow work thread. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Reported-by: Dave Jones <davej@redhat.com> Tested-by: Marc Dionne <marc.c.dionne@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-10drm/radeon: fix tiling and command stream checking on evergreen v3Jerome Glisse
Fix regresson since the introduction of command stream checking on evergreen (thread referenced below). Issue is cause by ddx allocating bo with formula width*height*bpp while programming the GPU command stream with ALIGN(height, 8). In some case (where page alignment does not hide the extra size bo should be according to height alignment) the kernel will reject the command stream. This patch reprogram the command stream to slice - 1 (slice is a derivative value from height) which avoid rejecting the command stream while keeping the value of command stream checking from a security point of view. This patch also fix wrong computation of layer size for 2D tiled surface. Which should fix issue when 2D color tiling is enabled. This dump the radeon KMS_DRIVER_MINOR so userspace can know if they are on a fixed kernel or not. https://lkml.org/lkml/2012/6/3/80 https://bugs.freedesktop.org/show_bug.cgi?id=50892 https://bugs.freedesktop.org/show_bug.cgi?id=50857 !!! STABLE need a custom version of this patch for 3.4 !!! v2: actually bump the minor version and add comment about stable v3: do compute the height the ddx was trying to use [airlied: drop left over debug] Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-09net: Make linux/tcp.h C++ friendly (trivial)Paul Pluzhnikov
I originally sent this patch to <trivial@kernel.org>, but Jiri Kosina did not feel that this is fully appropriate for the trivial tree. Using linux/tcp.h from C++ results in: cat t.cc #include <linux/tcp.h> int main() { } g++ -c t.cc In file included from t.cc:1: /usr/include/linux/tcp.h:72: error: '__u32 __fswab32(__u32)' cannot appear in a constant-expression /usr/include/linux/tcp.h:72: error: a function call cannot appear in a constant-expression ... Attached trivial patch fixes this problem. Tested: - the t.cc above compiles with g++ and - the following program generates the same output before/after the patch: #include <linux/tcp.h> #include <stdio.h> int main () { #define P(a) printf("%s: %08x\n", #a, (int)a) P(TCP_FLAG_CWR); P(TCP_FLAG_ECE); P(TCP_FLAG_URG); P(TCP_FLAG_ACK); P(TCP_FLAG_PSH); P(TCP_FLAG_RST); P(TCP_FLAG_SYN); P(TCP_FLAG_FIN); P(TCP_RESERVED_BITS); P(TCP_DATA_OFFSET); #undef P return 0; } Signed-off-by: Paul Pluzhnikov <ppluzhnikov@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-09x86, um: Correct syscall table type attributes breaking gcc 4.8Martin Pelikan
The latest GCC 4.8 does some more checking on type attributes that break the build for ARCH=um -> fill them in. Specifically, the "asmlinkage" attributes is now tested for consistency. Signed-off-by: Martin Pelikan <pelikan@storkhole.cz> Link: http://lkml.kernel.org/r/1339269731-10772-1-git-send-email-pelikan@storkhole.cz Acked-by: Richard Weinberger <richard@nod.at> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-06-09NFS: Use the NFS_DEFAULT_VERSION for v2 and v3 mountsBryan Schumaker
Older versions of nfs utils don't always pass a "vers=" mount option for NFS. This chould lead to attempts at using NFS v0 due to a zeroed out nfs_parsed_mount_data struct. I solve this by setting the default NFS version to NFS_DEFAULT_VERSION in the v2 and v3 cases (v4 has already been taken care of by a similar patch). Reported-by: Joerg Roedel <joro@&bytes.org> Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-09NFS: fix directio refcount bug on commitFred Isaman
This reverts a hunk from commit 04277086577 "NFS: Clean up - Simplify reference counting in fs/nfs/direct.c" The cleanups in that patch affect the write path, but by the time processing hits commit the removed reference has been added back by nfs_scan_commit_list(). Without this reversion, any page that is sent to commit holds on to an unbalanced reference that is never freed. The immediate effect is an imbalance over the wire between OPENs and CLOSEs. Signed-off-by: Fred Isaman <iisaman@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-06-09drivers/tosa: driver needs I2C and SPI to compileArnd Bergmann
This driver requires both SPI and I2C to build. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-06-09drivers/savagefb: use mdelay instead of udelayArnd Bergmann
Long delays need to use mdelay on architectures such as ARM that cannot compute long timeouts in udelay. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-06-09video/console: automatically select a fontArnd Bergmann
The frame buffer console needs at least one font to be built into the kernel, so add the necessary Kconfig magic to guarantee that one of the available font is always on. If a user accidentally disables all fonts manually, the 8x16 font will be selected anyway. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-06-09video/ili9320: do not mark exported functions __devexitArnd Bergmann
No symbol can be exported when the section is discarded - the only solution I could think of is not to mark symbols as __devexit when they are exported. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-06-09drivers/video: use correct __devexit_p annotationArnd Bergmann
__devexit functions are discarded when CONFIG_HOTPLUG is not set, so the symbol needs to be referenced carefully. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2012-06-09vga_switcheroo: Enable/disable audio clients at the right timeTakashi Iwai
The audio clients have to be disabled before disabling the VGA and switching. Similarly, enabling the audio client should be done at last. Otherwise the audio-side operation stalls, eventually leading to Oops or lockups. Tested-by: Jörg-Volker Peetz <jvpeetz@web.de> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-08netdev: fix drivers/net/phy/ kernel-doc warningsRandy Dunlap
Fix kernel-doc warnings in drivers/net/phy: Warning(drivers/net/phy/mdio_bus.c:109): No description found for parameter 'mdio_bus_np' Warning(drivers/net/phy/mdio_bus.c:109): Excess function parameter 'mdio_np' description in 'of_mdio_find_bus' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-08net/core: fix kernel-doc warningsRandy Dunlap
Fix kernel-doc warnings in net/core: Warning(net/core/skbuff.c:3368): No description found for parameter 'delta_truesize' Warning(net/core/filter.c:628): No description found for parameter 'pfp' Warning(net/core/filter.c:628): Excess function parameter 'sk' description in 'sk_unattached_filter_create' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-08Linux 3.5-rc2v3.5-rc2Linus Torvalds
2012-06-09writeback: Fix lock imbalance in writeback_sb_inodes()Jan Kara
Fix bug introduced by 169ebd90. We have to have wb_list_lock locked when restarting writeback loop after having waited for inode writeback. Bug description by Ted Tso: I can reproduce this fairly easily by using ext4 w/o a journal, running under KVM with 1024megs memory, with fsstress (xfstests #13): [ 45.153294] ===================================== [ 45.154784] [ BUG: bad unlock balance detected! ] [ 45.155591] 3.5.0-rc1-00002-gb22b1f1 #124 Not tainted [ 45.155591] ------------------------------------- [ 45.155591] flush-254:16/2499 is trying to release lock (&(&wb->list_lock)->rlock) at: [ 45.155591] [<c022c3da>] writeback_sb_inodes+0x160/0x327 [ 45.155591] but there are no more locks to release! Reported-by: Theodore Ts'o <tytso@mit.edu> Tested-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
2012-06-08mm, oom: fix badness score underflowDavid Rientjes
If the privileges given to root threads (3% of allowable memory) or a negative value of /proc/pid/oom_score_adj happen to exceed the amount of rss of a thread, its badness score overflows as a result of commit a7f638f999ff ("mm, oom: normalize oom scores to oom_score_adj scale only for userspace"). Fix this by making the type signed and return 1, meaning the thread is still eligible for kill, if the value is negative. Reported-by: Dave Jones <davej@redhat.com> Acked-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-08Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar. * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Fix the relax_domain_level boot parameter sched: Validate assumptions in sched_init_numa() sched: Always initialize cpu-power sched: Fix domain iteration sched/rt: Fix lockdep annotation within find_lock_lowest_rq() sched/numa: Load balance between remote nodes sched/x86: Calculate booted cores after construction of sibling_mask
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