- 07 Feb, 2008 2 commits
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Lachlan McIlroy authored
Simplify vnode tracing calls by embedding function name & return addr in the calling macro. Also do a lot of vnode->inode renaming for consistency, while we're at it. SGI-PV: 970335 SGI-Modid: xfs-linux-melb:xfs-kern:29650a Signed-off-by:
Eric Sandeen <sandeen@sandeen.net> Signed-off-by:
Lachlan McIlroy <lachlan@sgi.com> Signed-off-by:
Tim Shimmin <tes@sgi.com>
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Lachlan McIlroy authored
A large part of xfs_sync_inodes is conditional on the SYNC_BDFLUSH which is never passed to it. This patch removes it and adds an assert that triggers in case some new code tries to pass SYNC_BDFLUSH to it. SGI-PV: 970242 SGI-Modid: xfs-linux-melb:xfs-kern:29630a Signed-off-by:
Christoph Hellwig <hch@infradead.org> Signed-off-by:
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- 04 Feb, 2008 38 commits
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Linus Torvalds authored
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits) [ARM] 4822/1: RealView: Change the REALVIEW_MPCORE configuration option [ARM] 4821/1: RealView: Remove the platform dependencies from localtimer.c [ARM] 4820/1: RealView: Select the timer IRQ at run-time [ARM] 4819/1: RealView: Fix entry-macro.S to work with multiple platforms [ARM] 4818/1: RealView: Add core-tile detection [ARM] 4817/1: RealView: Move the AMBA resource definitions to realview_eb.c [ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.h [ARM] 4815/1: RealView: Add clockevents suport for the local timers [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCore [ARM] 4813/1: Add SMP helper functions for clockevents support [ARM] 4812/1: RealView: clockevents support for the RealView platforms [ARM] 4811/1: RealView: clocksource support for the RealView platforms [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags [ARM] 4798/1: pcm027: fix missing header file [ARM] 4803/1: pxa: fix building issue of poodle.c caused by patch 4737/1 [ARM] 4801/1: pxa: fix building issues of missing pxa2xx-regs.h [ARM] pxa: introduce sysdev for pxa3xx static memory controller [ARM] pxa: add preliminary suspend/resume code for pxa3xx [ARM] pxa: introduce sysdev for GPIO register saving/restoring [ARM] pxa: introduce sysdev for IRQ register saving/restoring ...
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git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vmLinus Torvalds authored
* 'slub-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/christoph/vm: Explain kmem_cache_cpu fields SLUB: Do not upset lockdep SLUB: Fix coding style violations Add parameter to add_partial to avoid having two functions SLUB: rename defrag to remote_node_defrag_ratio Move count_partial before kmem_cache_shrink SLUB: Fix sysfs refcounting slub: fix shadowed variable sparse warnings
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Christoph Lameter authored
Add some comments explaining the fields of the kmem_cache_cpu structure. Signed-off-by:
Christoph Lameter <clameter@sgi.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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root authored
inconsistent {softirq-on-W} -> {in-softirq-W} usage. swapper/0 [HC0[0]:SC1[1]:HE0:SE0] takes: (&n->list_lock){-+..}, at: [<ffffffff802935c1>] add_partial+0x31/0xa0 {softirq-on-W} state was registered at: [<ffffffff80259fb8>] __lock_acquire+0x3e8/0x1140 [<ffffffff80259838>] debug_check_no_locks_freed+0x188/0x1a0 [<ffffffff8025ad65>] lock_acquire+0x55/0x70 [<ffffffff802935c1>] add_partial+0x31/0xa0 [<ffffffff805c76de>] _spin_lock+0x1e/0x30 [<ffffffff802935c1>] add_partial+0x31/0xa0 [<ffffffff80296f9c>] kmem_cache_open+0x1cc/0x330 [<ffffffff805c7984>] _spin_unlock_irq+0x24/0x30 [<ffffffff802974f4>] create_kmalloc_cache+0x64/0xf0 [<ffffffff80295640>] init_alloc_cpu_cpu+0x70/0x90 [<ffffffff8080ada5>] kmem_cache_init+0x65/0x1d0 [<ffffffff807f1b4e>] start_kernel+0x23e/0x350 [<ffffffff807f112d>] _sinittext+0x12d/0x140 [<ffffffffffffffff>] 0xffffffffffffffff This change isn't really necessary for correctness, but it prevents lockdep from getting upset and then disabling itself. Signed-off-by:Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Christoph Lameter <clameter@sgi.com> Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by:
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Pekka Enberg authored
This fixes most of the obvious coding style violations in mm/slub.c as reported by checkpatch. Acked-by:
Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by:
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Christoph Lameter authored
Add a parameter to add_partial instead of having separate functions. The parameter allows a more detailed control of where the slab pages is placed in the partial queues. If we put slabs back to the front then they are likely immediately used for allocations. If they are put at the end then we can maximize the time that the partial slabs spent without being subject to allocations. When deactivating slab we can put the slabs that had remote objects freed (we can see that because objects were put on the freelist that requires locks) to them at the end of the list so that the cachelines of remote processors can cool down. Slabs that had objects from the local cpu freed to them (objects exist in the lockless freelist) are put in the front of the list to be reused ASAP in order to exploit the cache hot state of the local cpu. Patch seems to slightly improve tbench speed (1-2%). Signed-off-by:
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Christoph Lameter authored
The NUMA defrag works by allocating objects from partial slabs on remote nodes. Rename it to remote_node_defrag_ratio to be clear about this. Signed-off-by:
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Christoph Lameter authored
Move the counting function for objects in partial slabs so that it is placed before kmem_cache_shrink. Signed-off-by:
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Christoph Lameter authored
If CONFIG_SYSFS is set then free the kmem_cache structure when sysfs tells us its okay. Otherwise there is the danger (as pointed out by Al Viro) that sysfs thinks the kobject still exists after kmem_cache_destroy() removed it. Signed-off-by:
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Harvey Harrison authored
Introduce 'len' at outer level: mm/slub.c:3406:26: warning: symbol 'n' shadows an earlier one mm/slub.c:3393:6: originally declared here No need to declare new node: mm/slub.c:3501:7: warning: symbol 'node' shadows an earlier one mm/slub.c:3491:6: originally declared here No need to declare new x: mm/slub.c:3513:9: warning: symbol 'x' shadows an earlier one mm/slub.c:3492:6: originally declared here Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by:
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Russell King authored
* at91: [ARM] 4802/1: Fix typo and remove vague comment [ARM] 4660/3: at91: allow selecting UART for early kernel messages [ARM] 4739/1: at91sam9263: make gpio bank C and D irqs work * ixp: [ARM] 4809/2: ixp4xx: Merge dsmg600-power.c into dsmg600-setup.c [ARM] 4808/2: ixp4xx: Merge nas100d-power.c into nas100d-setup.c [ARM] 4807/2: ixp4xx: Merge nslu2-power.c into nslu2-setup.c [ARM] 4806/1: ixp4xx: Ethernet support for the nslu2 and nas100d boards [ARM] 4805/1: ixp4xx: Use leds-gpio driver instead of IXP4XX-GPIO-LED driver [ARM] 4715/2: Ethernet support for IXDP425 boards [ARM] 4714/2: Headers for IXP4xx built-in Ethernet and WAN drivers [ARM] 4713/3: Adds drivers for IXP4xx QMgr and NPE features [ARM] 4712/2: Adds functions to read and write IXP4xx "feature" bits [ARM] 4774/2: ixp4xx: Register dsmg600 rtc i2c_board_info [ARM] 4773/2: ixp4xx: Register nas100d rtc i2c_board_info [ARM] 4772/2: ixp4xx: Register nslu2 rtc i2c_board_info [ARM] 4769/2: ixp4xx: Button updates for the dsmg600 board [ARM] 4768/2: ixp4xx: Button and LED updates for the nas100d board [ARM] 4767/2: ixp4xx: Add bitops.h include to io.h [ARM] 4766/2: ixp4xx: Update ixp4xx_defconfig, enabling all supported boards * master: [ARM] 4810/1: - Fix 'section mismatch' building warnings [ARM] xtime_seqlock: fix more ARM machines for xtime deadlocking [ARM] 21285 serial: fix build error * misc: [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags * pxa: [ARM] 4798/1: pcm027: fix missing header file [ARM] 4803/1: pxa: fix building issue of poodle.c caused by patch 4737/1 [ARM] 4801/1: pxa: fix building issues of missing pxa2xx-regs.h [ARM] pxa: introduce sysdev for pxa3xx static memory controller [ARM] pxa: add preliminary suspend/resume code for pxa3xx [ARM] pxa: introduce sysdev for GPIO register saving/restoring [ARM] pxa: introduce sysdev for IRQ register saving/restoring [ARM] pxa: fix the warning of undeclared "struct pxaohci_platform_data" [ARM] pxa: change set_kset_name() to direct name assignment for MFP sysclass * realview: [ARM] 4822/1: RealView: Change the REALVIEW_MPCORE configuration option [ARM] 4821/1: RealView: Remove the platform dependencies from localtimer.c [ARM] 4820/1: RealView: Select the timer IRQ at run-time [ARM] 4819/1: RealView: Fix entry-macro.S to work with multiple platforms [ARM] 4818/1: RealView: Add core-tile detection [ARM] 4817/1: RealView: Move the AMBA resource definitions to realview_eb.c [ARM] 4816/1: RealView: Move the platform-specific definitions into board-eb.h [ARM] 4815/1: RealView: Add clockevents suport for the local timers [ARM] 4814/1: RealView: Add broadcasting clockevents support for ARM11MPCore [ARM] 4813/1: Add SMP helper functions for clockevents support [ARM] 4812/1: RealView: clockevents support for the RealView platforms [ARM] 4811/1: RealView: clocksource support for the RealView platforms
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Catalin Marinas authored
This patch changes the REALVIEW_MPCORE configuration option to REALVIEW_EB_ARM11MP since this is only specific to RealView/EB. Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com> Signed-off-by:
Russell King <rmk+kernel@arm.linux.org.uk>
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Catalin Marinas authored
This patch removes the TWD_BASE macro used to set up and configure the local timers on ARM11MPCore. The twd_base_addr and twd_size variables are defined in localtimer.c and set from the realview_eb_init function. Signed-off-by:
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Catalin Marinas authored
This patch sets the timer IRQ at run-time by moving the sys_timer structure and the timer_init function to the realview_eb.c file. This allows multiple RealView platforms to be compiled in the same kernel image. Signed-off-by:
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Catalin Marinas authored
This patch modifies the get_irqnr_preamble macro to work with multiple platforms at run-time by reading the address of the GIC controller from the gic_cpu_base_addr variable. This variable is defined in core.c and intialised in realview_eb.c (gic_init_irq). Signed-off-by:
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Catalin Marinas authored
This patch adds the core-tile detection and only enables devices if the corresponding tile is present. It currently detects the ARM11MPCore via the core_tile_eb11mp() macro. Signed-off-by:
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Catalin Marinas authored
This patch moves the IRQ and DMA definitions from core.h into realview_eb.c since they are platform-specific. It adds a realview_eb11mp_fixup function to adjust the IRQ numbers if the ARM11MPCore tile is fitted. The realview_smc91x_device is also moved from core.c into realview_eb.c. Signed-off-by:
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Catalin Marinas authored
This patch moves the platform specific definitions from platform.h into the board-eb.h file. It drops the INT_* definitions as they are no longer used in irqs.h (moved to board-eb.h). It renames REALVIEW_* macros to REALVIEW_EB_* or REALVIEW_EB11MP_* to distinguish between standard EB and EB + the ARM11MPCore tile. The platform.h file contains common definitions to the RealView platforms and it is only directly included in board-*.h files. Signed-off-by:
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Catalin Marinas authored
This patch registers the local timers on ARM11MPCore as clock event devices. The clock device can be set up as periodic or oneshot. Signed-off-by:
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Catalin Marinas authored
This patch adds dummy local timers for each CPU so that the board clock device is used to broadcast events to the other CPUs. The patch also adds the declaration for the dummy_timer_setup function (the equivalent of local_timer_setup when CONFIG_LOCAL_TIMERS is not set). Due to the way clockevents work, the dummy timer on the first CPU has to be registered before the board timer. Signed-off-by:
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Catalin Marinas authored
This patch adds the smp_call_function_single and smp_timer_broadcast functions and modifies ipi_timer to call the platform-specific function local_timer_interrupt. Signed-off-by:
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Catalin Marinas authored
The patch updates the RealView code to the clockevents infrastructure. The SMP support is implemented in subsequent patches. Based on the Versatile implementation by Kevin Hilman. Signed-off-by:
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Catalin Marinas authored
The patch updates the RealView platform code to use the generic clocksource infrastructure for basic time keeping. Based on the Versatile implementation by Kevin Hilman. Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (78 commits) x86: fix RTC lockdep warning: potential hardirq recursion x86: cpa, micro-optimization x86: cpa, clean up code flow x86: cpa, eliminate CPA_ enum x86: cpa, cleanups x86: implement gbpages support in change_page_attr() x86: support gbpages in pagetable dump x86: add gbpages support to lookup_address x86: add pgtable accessor functions for gbpages x86: add PUD_PAGE_SIZE x86: add feature macros for the gbpages cpuid bit x86: switch direct mapping setup over to set_pte x86: fix page-present check in cpa_flush_range x86: remove cpa warning x86: remove now unused clear_kernel_mapping x86: switch pci-gart over to using set_memory_np() instead of clear_kernel_mapping() x86: cpa selftest, skip non present entries x86: CPA fix pagetable split x86: rename LARGE_PAGE_SIZE to PMD_PAGE_SIZE x86: cpa, fix lookup_address ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (25 commits) virtio: balloon driver virtio: Use PCI revision field to indicate virtio PCI ABI version virtio: PCI device virtio_blk: implement naming for vda-vdz,vdaa-vdzz,vdaaa-vdzzz virtio_blk: Dont waste major numbers virtio_blk: provide getgeo virtio_net: parametrize the napi_weight for virtio receive queue. virtio: free transmit skbs when notified, not on next xmit. virtio: flush buffers on open virtnet: remove double ether_setup virtio: Allow virtio to be modular and used by modules virtio: Use the sg_phys convenience function. virtio: Put the virtio under the virtualization menu virtio: handle interrupts after callbacks turned off virtio: reset function virtio: populate network rings in the probe routine, not open virtio: Tweak virtio_net defines virtio: Net header needs hdr_len virtio: remove unused id field from struct virtio_blk_outhdr virtio: clarify NO_NOTIFY flag usage ...
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git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (79 commits) Jesper Juhl is the new trivial patches maintainer Documentation: mention email-clients.txt in SubmittingPatches fs/binfmt_elf.c: spello fix do_invalidatepage() comment typo fix Documentation/filesystems/porting fixes typo fixes in net/core/net_namespace.c typo fix in net/rfkill/rfkill.c typo fixes in net/sctp/sm_statefuns.c lib/: Spelling fixes kernel/: Spelling fixes include/scsi/: Spelling fixes include/linux/: Spelling fixes include/asm-m68knommu/: Spelling fixes include/asm-frv/: Spelling fixes fs/: Spelling fixes drivers/watchdog/: Spelling fixes drivers/video/: Spelling fixes drivers/ssb/: Spelling fixes drivers/serial/: Spelling fixes drivers/scsi/: Spelling fixes ...
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git://linux-nfs.org/~bfields/linuxLinus Torvalds authored
* 'locks' of git://linux-nfs.org/~bfields/linux: pid-namespaces-vs-locks-interaction file locks: Use wait_event_interruptible_timeout() locks: clarify posix_locks_deadlock
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Haavard Skinnemoen authored
AVR32 still includes Kconfig.instrumentation, so it won't build after this... Signed-off-by:
Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-by:
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: scsi: fix dependency bug in aic7 Makefile kbuild: add svn revision information to setlocalversion kbuild: do not warn about __*init/__*exit symbols being exported Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig Add HAVE_KPROBES Add HAVE_OPROFILE Create arch/Kconfig Fix ARM to play nicely with generic Instrumentation menu kconfig: ignore select of unknown symbol kconfig: mark config as changed when loading an alternate config kbuild: Spelling/grammar fixes for config DEBUG_SECTION_MISMATCH Remove __INIT_REFOK and __INITDATA_REFOK kbuild: print only total number of section mismatces found
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Nick Piggin authored
Drivers that register a ->fault handler, but do not range-check the offset argument, must set VM_DONTEXPAND in the vm_flags in order to prevent an expanding mremap from overflowing the resource. I've audited the tree and attempted to fix these problems (usually by adding VM_DONTEXPAND where it is not obvious). Signed-off-by:
Nick Piggin <npiggin@suse.de> Signed-off-by:
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Geert Uytterhoeven authored
Commit c9f6d3d5 ("[POWERPC] adb: Replace sleep notifier with platform driver suspend/resume hooks") introduced compile errors on m68k because <linux/platform_device.h> is not explicitly included. On powerpc, it's pulled in through <asm/prom.h>. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Andrew Morton authored
After disabling both CONFIG_DEBUG_LOCKING_API_SELFTESTS and netconsole (using current mainline) I get a login prompt, and also... [ 5.181668] SELinux: policy loaded with handle_unknown=deny [ 5.183315] type=1403 audit(1202100038.157:3): policy loaded auid=4294967295 ses=4294967295 [ 5.822073] SELinux: initialized (dev usbfs, type usbfs), uses genfs_contexts [ 7.819146] ------------[ cut here ]------------ [ 7.819146] WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on+0x9b/0x10d() [ 7.819146] Modules linked in: generic ext3 jbd ide_disk ide_core [ 7.819146] Pid: 399, comm: hwclock Not tainted 2.6.24 #4 [ 7.819146] [<c011d140>] warn_on_slowpath+0x41/0x51 [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c013770c>] ? check_usage_forwards+0x19/0x3b [ 7.819146] [<c01390c4>] ? __lock_acquire+0xac3/0xb0b [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c030ca6c>] ? _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c013848b>] trace_hardirqs_on+0x9b/0x10d [ 7.819146] [<c030ca6c>] _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c011481e>] hpet_rtc_interrupt+0xdf/0x290 [ 7.819146] [<c014ea90>] handle_IRQ_event+0x1a/0x46 [ 7.819146] [<c014f8ea>] handle_edge_irq+0xbe/0xff [ 7.819146] [<c0106e08>] do_IRQ+0x6d/0x84 [ 7.819146] [<c0105596>] common_interrupt+0x2e/0x34 [ 7.819146] [<c013007b>] ? ktime_get_ts+0x8/0x3f [ 7.819146] [<c0139420>] ? lock_release+0x167/0x16f [ 7.819146] [<c017974a>] ? core_sys_select+0x2c/0x327 [ 7.819146] [<c0179792>] core_sys_select+0x74/0x327 [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c030ca6c>] ? _spin_unlock_irq+0x22/0x42 [ 7.819146] [<c01384d6>] ? trace_hardirqs_on+0xe6/0x10d [ 7.819146] [<c030ca77>] ? _spin_unlock_irq+0x2d/0x42 [ 7.819146] [<c023b437>] ? rtc_do_ioctl+0x11b/0x677 [ 7.819146] [<c01c487e>] ? inode_has_perm+0x5e/0x68 [ 7.819146] [<c01364a9>] ? lock_release_holdtime+0x50/0x56 [ 7.819146] [<c0108c98>] ? native_sched_clock+0x8b/0x9f [ 7.819146] [<c01c490b>] ? file_has_perm+0x83/0x8c [ 7.819146] [<c023ba08>] ? rtc_ioctl+0xf/0x11 [ 7.819146] [<c017898d>] ? do_ioctl+0x55/0x67 [ 7.819146] [<c0179d15>] sys_select+0x93/0x163 [ 7.819146] [<c0104b39>] ? sysenter_past_esp+0x9a/0xa5 [ 7.819146] [<c0104afe>] sysenter_past_esp+0x5f/0xa5 [ 7.819146] ======================= [ 7.819146] ---[ end trace 96540ca301ffb84c ]--- [ 7.819210] rtc: lost 6 interrupts [ 7.870668] type=1400 audit(1202128840.794:4): avc: denied { audit_write } for pid=399 comm="hwclock" capability=29 scontext=system_u:system_r:hwclock_t:s0 tcontext=system_u:system_r:hwclock_t:s0 tclass=capability [ 9.538866] input: PC Speaker as /class/input/input5 Because hpet_rtc_interrupt()'s call to get_rtc_time() ends up resolving to include/asm-generic/rtc.h's (hilariously inlined) get_rtc_time(), which does spin_unlock_irq() from hard IRQ context. The obvious patch fixes it. Signed-off-by:Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
Ingo Molnar <mingo@elte.hu>
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Thomas Gleixner authored
Signed-off-by:
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Ingo Molnar authored
Signed-off-by:
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Ingo Molnar authored
Signed-off-by:
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Ingo Molnar authored
Signed-off-by:
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Andi Kleen authored
Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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Andi Kleen authored
Signed-off-by:
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