- 16 Jan, 2014 13 commits
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Namhyung Kim authored
The function handler should be unregistered when the plugin is unloaded otherwise it'll try to access invalid memory. Signed-off-by:
Namhyung Kim <namhyung@kernel.org> Reviewed-by:
Jiri Olsa <jolsa@redhat.com> Acked-by:
Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1389839478-5887-4-git-send-email-namhyung@kernel.orgSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Namhyung Kim authored
When a plugin unloaded it needs to unregister its print handler from pevent. So add an unregister function to do it. Signed-off-by:
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Namhyung Kim authored
When a plugin is unloaded it needs to unregister its handler from pevent. So add an unregister function to do it. Signed-off-by:
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Ingo Molnar authored
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core updates from Arnaldo Carvalho de Melo: Changes in user visible interfaces: * Rename 'record's --no-delay option to --no-buffering, better reflecting its purpose and freeing up '--delay' to take the place of '--initial-delay', so that 'record' and 'stat' are consistent. Refactorings: * Get rid of die() and friends (good riddance!) in libtraceevent (Namhyung Kim) Infrastructure enhancements: * Fix cross build problems related to pkgconfig and CROSS_COMPILE not being propagated to the feature tests, leading to features being tested in the host and then being enabled on the target. (Mark Rutland) * Fix pointer-integer size mismatch in some libtraceevent plugins (Mark Rutland) * Fix build error due to zfree() cast (Namhyung Kim) Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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Ingo Molnar authored
Pick up the latest fixes, refresh the development tree. Signed-off-by: -
Robert Richter authored
On AMD family 10h we see following error messages while waking up from S3 for all non-boot CPUs leading to a failed IBS initialization: Enabling non-boot CPUs ... smpboot: Booting Node 0 Processor 1 APIC 0x1 [Firmware Bug]: cpu 1, try to use APIC500 (LVT offset 0) for vector 0x400, but the register is already in use for vector 0xf9 on another cpu perf: IBS APIC setup failed on cpu #1 process: Switch to broadcast mode on CPU1 CPU1 is up ... ACPI: Waking up from system sleep state S3 Reason for this is that during suspend the LVT offset for the IBS vector gets lost and needs to be reinialized while resuming. The offset is read from the IBSCTL msr. On family 10h the offset needs to be 1 as offset 0 is used for the MCE threshold interrupt, but firmware assings it for IBS to 0 too. The kernel needs to reprogram the vector. The msr is a readonly node msr, but a new value can be written via pci config space access. The reinitialization is implemented for family 10h in setup_ibs_ctl() which is forced during IBS setup. This patch fixes IBS setup after waking up from S3 by adding resume/supend hooks for the boot cpu which does the offset reinitialization. Marking it as stable to let distros pick up this fix. Signed-off-by:
Robert Richter <rric@kernel.org> Signed-off-by:
Peter Zijlstra <peterz@infradead.org> Cc: <stable@vger.kernel.org> v3.2.. Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1389797849-5565-1-git-send-email-rric.net@gmail.comSigned-off-by:
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Peter Zijlstra authored
Waiman managed to trigger a PMI while in a emulate_vsyscall() fault, the PMI in turn managed to trigger a fault while obtaining a stack trace. This triggered the sig_on_uaccess_error recursive fault logic and killed the process dead. Fix this by explicitly excluding interrupts from the recursive fault logic. Reported-and-Tested-by:
Waiman Long <waiman.long@hp.com> Fixes: e00b12e6 ("perf/x86: Further optimize copy_from_user_nmi()") Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Scott J Norton <scott.norton@hp.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Linus Torvalds authored
Merge branches 'sched-urgent-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler and timer fixes from Ingo Molnar: "Contains a fix for a scheduler bug that manifested itself as a 3D performance regression and a crash fix for the ARM Cadence TTC clock driver" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched: Calculate effective load even if local weight is 0 * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: cadence_ttc: Fix mutex taken inside interrupt context
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Ingo Molnar: "Two fixes from lockdep coverage of seqlocks, which fix deadlocks on lockdep-enabled ARM systems" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched_clock: Disable seqlock lockdep usage in sched_clock() seqlock: Use raw_ prefix instead of _no_lockdep
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon fix from Guenter Roeck: "Fix attribute length problem in coretemp driver" * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (coretemp) Fix truncated name of alarm attributes
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git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fixes from Russell King: "Another few fixes for ARM, nothing major here" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 7938/1: OMAP4/highbank: Flush L2 cache before disabling ARM: 7939/1: traps: fix opcode endianness when read from user memory ARM: 7937/1: perf_event: Silence sparse warning ARM: 7934/1: DT/kernel: fix arch_match_cpu_phys_id to avoid erroneous match Revert "ARM: 7908/1: mm: Fix the arm_dma_limit calculation"
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git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linuxLinus Torvalds authored
Pull writeback fix from Wu Fengguang: "Fix data corruption on NFS writeback. It has been in linux-next for one month" * tag 'writeback-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Fix data corruption on NFS
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c bugfix from Wolfram Sang. * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: Re-instate body of i2c_parent_is_i2c_adapter()
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- 15 Jan, 2014 23 commits
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Mark Rutland authored
The scsi and cfg80211 plugins cast between unsigned long long and pointers, which is problematic for architectures where unsigned long long is wider than the native pointer size: linux/tools/lib/traceevent/plugin_scsi.c: In function ‘process_scsi_trace_parse_cdb’: linux/tools/lib/traceevent/plugin_scsi.c:408:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] scsi_trace_parse_cdb(s, (unsigned char *) args[1], args[2]); linux/tools/lib/traceevent/plugin_cfg80211.c: In function ‘process___le16_to_cpup’: linux/tools/lib/traceevent/plugin_cfg80211.c:11:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] uint16_t *val = (uint16_t *) args[0]; This patch adds an intermediate cast to unsigned long, silencing the warning. Signed-off-by:Mark Rutland <mark.rutland@arm.com> Acked-by:
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Namhyung Kim authored
The hist_entry__add_cpumode_period() and hist_entry__decay() functions are dealing with hist_entry's stat fields only. Make them he_stat methods then. Signed-off-by:
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Namhyung Kim authored
The report__resolve_callchain() can be shared with perf top code as it doesn't really depend on the perf report code. Factor it out as sample__resolve_callchain(). The same goes to the hist_entry__append_ callchain() too. Signed-off-by:
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Namhyung Kim authored
The machine__resolve_callchain() is called only if symbol_conf. use_callchain is set so no need to check it again. Signed-off-by:
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Mark Rutland authored
Currently the feature-checks Makefile does not inherit $(CC), and calls cc rather than $(CROSS_COMPILE)gcc. Thus the feature checks invoke the native toolchain rather than the cross toolchain, and can identify features as available when they are not. This can break the build. Additionally the native pkg-config is always called as opposed to $(CROSS_COMPILE)pkg-config, so the wrong flags and paths may be passed to the cross compiler. This patch passes CROSS_COMPILE down to the feature-checks Makefile, and forces its use. Additionally pkg-config is replaced with $(CROSS_COMPILE)pkg-config via a new $(PKG_CONFIG) variable. This patch has been build tested on x86_64 and arm. Signed-off-by:
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Namhyung Kim authored
The PEVENT_PLUGIN_UNLOADER function might need some cleanup using pevent like unregister some handlers. So pass pevent as argument. Signed-off-by:
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Namhyung Kim authored
Now all of its users were gone. :) Signed-off-by:
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Namhyung Kim authored
Use plain malloc() and check its return value. Signed-off-by:
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Namhyung Kim authored
If realloc() fails, it'll leak the buffer. Also increate buffer size only if the allocation succeeded. Signed-off-by:
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Namhyung Kim authored
The trace_seq->state is for tracking errors during the use of trace_seq APIs and getting rid of die() in it. Signed-off-by:
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Namhyung Kim authored
It failed to build perf on my ubuntu 10.04 box (gcc 4.4.3): CC util/strlist.o cc1: warnings being treated as errors util/strlist.c: In function ‘str_node__delete’: util/strlist.c:42: error: dereferencing type-punned pointer will break strict-aliasing rules util/strlist.c:42: error: dereferencing type-punned pointer will break strict-aliasing rules CC util/strfilter.o make: *** [util/strlist.o] Error 1 CC util/srcline.o cc1: warnings being treated as errors util/srcline.c: In function ‘addr2line_init’: util/srcline.c:132: error: dereferencing type-punned pointer will break strict-aliasing rules util/srcline.c:132: error: dereferencing type-punned pointer will break strict-aliasing rules util/srcline.c: In function ‘addr2line_cleanup’: util/srcline.c:143: error: dereferencing type-punned pointer will break strict-aliasing rules util/srcline.c:143: error: dereferencing type-punned pointer will break strict-aliasing rules make: *** [util/srcline.o] Error 1 It seems it only allows to remove 'const' qualifier. Signed-off-by: -
Linus Torvalds authored
Merge patches from Andrew Morton: "Six fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: lib/percpu_counter.c: fix __percpu_counter_add() crash_dump: fix compilation error (on MIPS at least) mm: fix crash when using XFS on loopback MIPS: fix blast_icache32 on loongson2 MIPS: fix case mismatch in local_r4k_flush_icache_range() nilfs2: fix segctor bug that causes file system corruption
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git://neil.brown.name/mdLinus Torvalds authored
Pull late md fixes from Neil Brown: "Half a dozen md bug fixes. All of these fix real bugs the people have hit, and are tagged for -stable. Sorry they are late .... Christmas holidays and all that. Hopefully they can still squeak into 3.13" * tag 'md/3.13-fixes' of git://neil.brown.name/md: md: fix problem when adding device to read-only array with bitmap. md/raid10: fix bug when raid10 recovery fails to recover a block. md/raid5: fix a recently broken BUG_ON(). md/raid1: fix request counting bug in new 'barrier' code. md/raid10: fix two bugs in handling of known-bad-blocks. md/raid5: Fix possible confusion when multiple write errors occur.
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "One nouveau regression fix on older cards, i915 black screen fixes, and a revert for a strange G33 intel problem" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/nouveau: fix null ptr dereferences on some boards Revert "drm: copy mode type in drm_mode_connector_list_update()" drm/i915/bdw: make sure south port interrupts are enabled properly v2 drm/i915: Don't grab crtc mutexes in intel_modeset_gem_init() drm/i915: fix DDI PLLs HW state readout code
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Ming Lei authored
__percpu_counter_add() may be called in softirq/hardirq handler (such as, blk_mq_queue_exit() is typically called in hardirq/softirq handler), so we need to call this_cpu_add()(irq safe helper) to update percpu counter, otherwise counts may be lost. This fixes the problem that 'rmmod null_blk' hangs in blk_cleanup_queue() because of miscounting of request_queue->mq_usage_counter. This patch is the v1 of previous one of "lib/percpu_counter.c: disable local irq when updating percpu couter", and takes Andrew's approach which may be more efficient for ARCHs(x86, s390) that have optimized this_cpu_add(). Signed-off-by:
Ming Lei <tom.leiming@gmail.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Shaohua Li <shli@fusionio.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Fan Du <fan.du@windriver.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Qais Yousef authored
In file included from kernel/crash_dump.c:2:0: include/linux/crash_dump.h:22:27: error: unknown type name `pgprot_t' when CONFIG_CRASH_DUMP=y The error was traced back to commit 9cb21813 ("vmcore: introduce remap_oldmem_pfn_range()") include <asm/pgtable.h> to get the missing definition Signed-off-by:
Qais Yousef <qais.yousef@imgtec.com> Reviewed-by:
James Hogan <james.hogan@imgtec.com> Cc: Michael Holzheu <holzheu@linux.vnet.ibm.com> Acked-by:
Vivek Goyal <vgoyal@redhat.com> Cc: <stable@vger.kernel.org> [3.12+] Signed-off-by:
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Mikulas Patocka authored
Commit 8456a648 ("slab: use struct page for slab management") causes a crash in the LVM2 testsuite on PA-RISC (the crashing test is fsadm.sh). The testsuite doesn't crash on 3.12, crashes on 3.13-rc1 and later. Bad Address (null pointer deref?): Code=15 regs=000000413edd89a0 (Addr=000006202224647d) CPU: 3 PID: 24008 Comm: loop0 Not tainted 3.13.0-rc6 #5 task: 00000001bf3c0048 ti: 000000413edd8000 task.ti: 000000413edd8000 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00001000000001101111100100001110 Not tainted r00-03 000000ff0806f90e 00000000405c8de0 000000004013e6c0 000000413edd83f0 r04-07 00000000405a95e0 0000000000000200 00000001414735f0 00000001bf349e40 r08-11 0000000010fe3d10 0000000000000001 00000040829c7778 000000413efd9000 r12-15 0000000000000000 000000004060d800 0000000010fe3000 0000000010fe3000 r16-19 000000413edd82a0 00000041078ddbc0 0000000000000010 0000000000000001 r20-23 0008f3d0d83a8000 0000000000000000 00000040829c7778 0000000000000080 r24-27 00000001bf349e40 00000001bf349e40 202d66202224640d 00000000405a95e0 r28-31 202d662022246465 000000413edd88f0 000000413edd89a0 0000000000000001 sr00-03 000000000532c000 0000000000000000 0000000000000000 000000000532c000 sr04-07 0000000000000000 0000000000000000 0000000000000000 0000000000000000 IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000401fe42c 00000000401fe430 IIR: 539c0030 ISR: 00000000202d6000 IOR: 000006202224647d CPU: 3 CR30: 000000413edd8000 CR31: 0000000000000000 ORIG_R28: 00000000405a95e0 IAOQ[0]: vma_interval_tree_iter_first+0x14/0x48 IAOQ[1]: vma_interval_tree_iter_first+0x18/0x48 RP(r2): flush_dcache_page+0x128/0x388 Backtrace: flush_dcache_page+0x128/0x388 lo_splice_actor+0x90/0x148 [loop] splice_from_pipe_feed+0xc0/0x1d0 __splice_from_pipe+0xac/0xc0 lo_direct_splice_actor+0x1c/0x70 [loop] splice_direct_to_actor+0xec/0x228 lo_receive+0xe4/0x298 [loop] loop_thread+0x478/0x640 [loop] kthread+0x134/0x168 end_fault_vector+0x20/0x28 xfs_setsize_buftarg+0x0/0x90 [xfs] Kernel panic - not syncing: Bad Address (null pointer deref?) Commit 8456a648 changes the page structure so that the slab subsystem reuses the page->mapping field. The crash happens in the following way: * XFS allocates some memory from slab and issues a bio to read data into it. * the bio is sent to the loopback device. * lo_receive creates an actor and calls splice_direct_to_actor. * lo_splice_actor copies data to the target page. * lo_splice_actor calls flush_dcache_page because the page may be mapped by userspace. In that case we need to flush the kernel cache. * flush_dcache_page asks for the list of userspace mappings, however that page->mapping field is reused by the slab subsystem for a different purpose. This causes the crash. Note that other architectures without coherent caches (sparc, arm, mips) also call page_mapping from flush_dcache_page, so they may crash in the same way. This patch fixes this bug by testing if the page is a slab page in page_mapping and returning NULL if it is. The patch also fixes VM_BUG_ON(PageSlab(page)) that could happen in earlier kernels in the same scenario on architectures without cache coherence when CONFIG_DEBUG_VM is enabled - so it should be backported to stable kernels. In the old kernels, the function page_mapping is placed in include/linux/mm.h, so you should modify the patch accordingly when backporting it. Signed-off-by:
Mikulas Patocka <mpatocka@redhat.com> Cc: John David Anglin <dave.anglin@bell.net>] Cc: Andi Kleen <ak@linux.intel.com> Cc: Christoph Lameter <cl@linux.com> Acked-by:
Pekka Enberg <penberg@kernel.org> Reviewed-by:
Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> Signed-off-by:
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Aaro Koskinen authored
Commit 14bd8c08 ("MIPS: Loongson: Get rid of Loongson 2 #ifdefery all over arch/mips") failed to add Loongson2 specific blast_icache32 functions. Fix that. The patch fixes the following crash seen with 3.13-rc1: Reserved instruction in kernel code[#1]: [...] Call Trace: blast_icache32_page+0x8/0xb0 r4k_flush_cache_page+0x19c/0x200 do_wp_page.isra.97+0x47c/0xe08 handle_mm_fault+0x938/0x1118 __do_page_fault+0x140/0x540 resume_userspace_check+0x0/0x10 Code: 00200825 64834000 00200825 <bc900000> bc900020 bc900040 bc900060 bc900080 bc9000a0 Signed-off-by:
Aaro Koskinen <aaro.koskinen@iki.fi> Reviewed-by:
Aurelien Jarno <aurelien@aurel32.net> Acked-by:
John Crispin <blogic@openwrt.org> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Huacai Chen authored
Currently, Loongson-2 call protected_blast_icache_range() and others call protected_loongson23_blast_icache_range(), but I think the correct behavior should be the opposite. BTW, Loongson-3's cache-ops is compatible with MIPS64, but not compatible with Loongson-2. So, rename xxx_loongson23_yyy things to xxx_loongson2_yyy. The patch fixes early boot hang with 3.13-rc1, introduced in commit 14bd8c08 ("MIPS: Loongson: Get rid of Loongson 2 #ifdefery all over arch/mips"). Signed-off-by:
Huacai Chen <chenhc@lemote.com> Signed-off-by:
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Andreas Rohner authored
There is a bug in the function nilfs_segctor_collect, which results in active data being written to a segment, that is marked as clean. It is possible, that this segment is selected for a later segment construction, whereby the old data is overwritten. The problem shows itself with the following kernel log message: nilfs_sufile_do_cancel_free: segment 6533 must be clean Usually a few hours later the file system gets corrupted: NILFS: bad btree node (blocknr=8748107): level = 0, flags = 0x0, nchildren = 0 NILFS error (device sdc1): nilfs_bmap_last_key: broken bmap (inode number=114660) The issue can be reproduced with a file system that is nearly full and with the cleaner running, while some IO intensive task is running. Although it is quite hard to reproduce. This is what happens: 1. The cleaner starts the segment construction 2. nilfs_segctor_collect is called 3. sc_stage is on NILFS_ST_SUFILE and segments are freed 4. sc_stage is on NILFS_ST_DAT current segment is full 5. nilfs_segctor_extend_segments is called, which allocates a new segment 6. The new segment is one of the segments freed in step 3 7. nilfs_sufile_cancel_freev is called and produces an error message 8. Loop around and the collection starts again 9. sc_stage is on NILFS_ST_SUFILE and segments are freed including the newly allocated segment, which will contain active data and can be allocated at a later time 10. A few hours later another segment construction allocates the segment and causes file system corruption This can be prevented by simply reordering the statements. If nilfs_sufile_cancel_freev is called before nilfs_segctor_extend_segments the freed segments are marked as dirty and cannot be allocated any more. Signed-off-by:Andreas Rohner <andreas.rohner@gmx.net> Reviewed-by:
Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Tested-by:
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Ingo Molnar authored
Merge branch 'clockevents/3.13-fixes' of git://git.linaro.org/people/daniel.lezcano/linux into timers/urgent Pull clock driver fix from Daniel Lezcano: " * Soren Brinkmann fixed the cadence_ttc driver where a call to clk_get_rate happens in an interrupt context. More precisely in an IPI when the broadcast timer is initialized for each cpu in the cpuidle driver. " Signed-off-by:
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git://git.freedesktop.org/git/nouveau/linux-2.6Dave Airlie authored
Single regression fix for nouveau * 'drm-nouveau-next' of git://git.freedesktop.org/git/nouveau/linux-2.6: drm/nouveau: fix null ptr dereferences on some boards
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Ben Skeggs authored
Regression from "device: populate master subdev pointer only when fully constructed" Reported-by:
Bob Gleitsmann <rjgleits@bellsouth.net> Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
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- 14 Jan, 2014 4 commits
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Arnaldo Carvalho de Melo authored
To be consistent with the equivalent option in 'stat', also, for the same reason, use -D as the one letter alias. Suggested-by:
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Arnaldo Carvalho de Melo authored
That is how the option summary describes it and so that we can free --delay to replace --initial-delay and then be consistent with stat's --delay equivalent option. Suggested-by:
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Jean Delvare authored
When the core number exceeds 9, the size of the buffer storing the alarm attribute name is insufficient and the attribute name is truncated. This causes libsensors to skip these attributes as the truncated name is not recognized. Reported-by:
Andreas Hollmann <hollmann@in.tum.de> Signed-off-by:
Jean Delvare <khali@linux-fr.org> Cc: stable@vger.kernel.org Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Ingo Molnar authored
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf tooling updates from Arnaldo Carvalho de Melo: New features: * perf record: Add --initial-delay option (Andi Kleen) * Column colouring improvements in 'diff' (Ramkumar Ramachandra) Fixes: * Don't show counter information when workload fails (Arnaldo Carvalho de Melo) * Fixup leak on error path in parse events test. (Arnaldo Carvalho de Melo) * Fix --delay option in 'stat' man page (Andi Kleen) * Use the DWARF unwind info only if loaded (Jean Pihet): Developer stuff: * Improve forked workload error reporting by sending the errno in the signal data queueing integer field, using sigqueue and by doing the signal setup in the evlist methods, removing open coded equivalents in various tools. (Arnaldo Carvalho de Melo) * Do more auto exit cleanup shores in the 'evlist' destructor, so that the tools don't have to all do that sequence. (Arnaldo Carvalho de Melo) * Pack 'struct perf_session_env' and 'struct trace' (Arnaldo Carvalho de Melo) * Include tools/lib/api/ in MANIFEST, fixing detached tarballs (Arnaldo Carvalho de Melo) * Add test for building detached source tarballs (Arnaldo Carvalho de Melo) * Shut up libtracevent plugins make message (Jiri Olsa) * Fix installation tests path setup (Jiri Olsa) * Fix id_hdr_size initialization (Jiri Olsa) * Move some header files from tools/perf/ to tools/include/ to make them available to other tools/ dwelling codebases (Namhyung Kim) * Fix 'probe' build when DWARF support libraries not present (Arnaldo Carvalho de Melo) Refactorings: * Move logic to warn about kptr_restrict'ed kernels to separate function in 'report' (Arnaldo Carvalho de Melo) * Move hist browser selection code to separate function (Arnaldo Carvalho de Melo) * Move histogram entries collapsing to separate function (Arnaldo Carvalho de Melo) * Introduce evlist__for_each() & friends (Arnaldo Carvalho de Melo) * Automate setup of FEATURE_CHECK_(C|LD)FLAGS-all variables (Jiri Olsa) * Move arch setup into seprate Makefile (Jiri Olsa) Trivial stuff: * Remove misplaced __maybe_unused in 'stat' (Arnaldo Carvalho de Melo) * Remove old evsel_list usage in 'record' (Arnaldo Carvalho de Melo) * Comment typo fix (Cody P Schafer) * Remove unused test-volatile-register-var.c (Yann Droneaud) Signed-off-by:
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