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2013-02-19Merge branch 'perf-core-for-linus' of ↵Linus Torvalds195-4097/+8995
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf changes from Ingo Molnar: "There are lots of improvements, the biggest changes are: Main kernel side changes: - Improve uprobes performance by adding 'pre-filtering' support, by Oleg Nesterov. - Make some POWER7 events available in sysfs, equivalent to what was done on x86, from Sukadev Bhattiprolu. - tracing updates by Steve Rostedt - mostly misc fixes and smaller improvements. - Use perf/event tracing to report PCI Express advanced errors, by Tony Luck. - Enable northbridge performance counters on AMD family 15h, by Jacob Shin. - This tracing commit: tracing: Remove the extra 4 bytes of padding in events changes the ABI. All involved parties (PowerTop in particular) seem to agree that it's safe to do now with the introduction of libtraceevent, but the devil is in the details ... Main tooling side changes: - Add 'event group view', from Namyung Kim: To use it, 'perf record' should group events when recording. And then perf report parses the saved group relation from file header and prints them together if --group option is provided. You can use the 'perf evlist' command to see event group information: $ perf record -e '{ref-cycles,cycles}' noploop 1 [ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.385 MB perf.data (~16807 samples) ] $ perf evlist --group {ref-cycles,cycles} With this example, default perf report will show you each event separately. You can use --group option to enable event group view: $ perf report --group ... # group: {ref-cycles,cycles} # ======== # Samples: 7K of event 'anon group { ref-cycles, cycles }' # Event count (approx.): 6876107743 # # Overhead Command Shared Object Symbol # ................ ....... ................. .......................... 99.84% 99.76% noploop noploop [.] main 0.07% 0.00% noploop ld-2.15.so [.] strcmp 0.03% 0.00% noploop [kernel.kallsyms] [k] timerqueue_del 0.03% 0.03% noploop [kernel.kallsyms] [k] sched_clock_cpu 0.02% 0.00% noploop [kernel.kallsyms] [k] account_user_time 0.01% 0.00% noploop [kernel.kallsyms] [k] __alloc_pages_nodemask 0.00% 0.00% noploop [kernel.kallsyms] [k] native_write_msr_safe 0.00% 0.11% noploop [kernel.kallsyms] [k] _raw_spin_lock 0.00% 0.06% noploop [kernel.kallsyms] [k] find_get_page 0.00% 0.02% noploop [kernel.kallsyms] [k] rcu_check_callbacks 0.00% 0.02% noploop [kernel.kallsyms] [k] __current_kernel_time As you can see the Overhead column now contains both of ref-cycles and cycles and header line shows group information also - 'anon group { ref-cycles, cycles }'. The output is sorted by period of group leader first. - Initial GTK+ annotate browser, from Namhyung Kim. - Add option for runtime switching perf data file in perf report, just press 's' and a menu with the valid files found in the current directory will be presented, from Feng Tang. - Add support to display whole group data for raw columns, from Jiri Olsa. - Add per processor socket count aggregation in perf stat, from Stephane Eranian. - Add interval printing in 'perf stat', from Stephane Eranian. - 'perf test' improvements - Add support for wildcards in tracepoint system name, from Jiri Olsa. - Add anonymous huge page recognition, from Joshua Zhu. - perf build-id cache now can show DSOs present in a perf.data file that are not in the cache, to integrate with build-id servers being put in place by organizations such as Fedora. - perf top now shares more of the evsel config/creation routines with 'record', paving the way for further integration like 'top' snapshots, etc. - perf top now supports DWARF callchains. - Fix mmap limitations on 32-bit, fix from David Miller. - 'perf bench numa mem' NUMA performance measurement suite - ... and lots of fixes, performance improvements, cleanups and other improvements I failed to list - see the shortlog and git log for details." * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (270 commits) perf/x86/amd: Enable northbridge performance counters on AMD family 15h perf/hwbp: Fix cleanup in case of kzalloc failure perf tools: Fix build with bison 2.3 and older. perf tools: Limit unwind support to x86 archs perf annotate: Make it to be able to skip unannotatable symbols perf gtk/annotate: Fail early if it can't annotate perf gtk/annotate: Show source lines with gray color perf gtk/annotate: Support multiple event annotation perf ui/gtk: Implement basic GTK2 annotation browser perf annotate: Fix warning message on a missing vmlinux perf buildid-cache: Add --update option uprobes/perf: Avoid uprobe_apply() whenever possible uprobes/perf: Teach trace_uprobe/perf code to use UPROBE_HANDLER_REMOVE uprobes/perf: Teach trace_uprobe/perf code to pre-filter uprobes/perf: Teach trace_uprobe/perf code to track the active perf_event's uprobes: Introduce uprobe_apply() perf: Introduce hw_perf_event->tp_target and ->tp_list uprobes/perf: Always increment trace_uprobe->nhit uprobes/tracing: Kill uprobe_trace_consumer, embed uprobe_consumer into trace_uprobe uprobes/tracing: Introduce is_trace_uprobe_enabled() ...
2013-02-19Merge branch 'irq-core-for-linus' of ↵Linus Torvalds25-102/+171
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq core changes from Ingo Molnar: "The biggest changes are the IRQ-work and printk changes from Frederic Weisbecker, which prepare the code for 'full dynticks' (the ability to stop or slow down the periodic tick arbitrarily, not just in idle time as today): - Don't stop tick with irq works pending. This fix is generally useful and concerns archs that can't raise self IPIs. - Flush irq works before CPU offlining. - Introduce "lazy" irq works that can wait for the next tick to be executed, unless it's stopped. - Implement klogd wake up using irq work. This removes the ad-hoc printk_tick()/printk_needs_cpu() hooks and make it working even in dynticks mode. - Cleanups and fixes." * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Export enable/disable_percpu_irq() arch Kconfig: Remove references to IRQ_PER_CPU irq_work: Remove return value from the irq_work_queue() function genirq: Avoid deadlock in spurious handling printk: Wake up klogd using irq_work irq_work: Make self-IPIs optable irq_work: Warn if there's still work on cpu_down irq_work: Flush work on CPU_DYING irq_work: Don't stop the tick with pending works nohz: Add API to check tick state irq_work: Remove CONFIG_HAVE_IRQ_WORK irq_work: Fix racy check on work pending flag irq_work: Fix racy IRQ_WORK_BUSY flag setting
2013-02-19Merge branch 'core-rcu-for-linus' of ↵Linus Torvalds17-229/+556
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RCU changes from Ingo Molnar: "SRCU changes: - These include debugging aids, updates that move towards the goal of permitting srcu_read_lock() and srcu_read_unlock() to be used from idle and offline CPUs, and a few small fixes. Changes to rcutorture and to RCU documentation: - Posted to LKML at https://lkml.org/lkml/2013/1/26/188 Enhancements to uniprocessor handling in tiny RCU: - Posted to LKML at https://lkml.org/lkml/2013/1/27/2 Tag RCU callbacks with grace-period number to simplify callback advancement: - Posted to LKML at https://lkml.org/lkml/2013/1/26/203 Miscellaneous fixes: - Posted to LKML at https://lkml.org/lkml/2013/1/26/204" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) srcu: use ACCESS_ONCE() to access sp->completed in srcu_read_lock() srcu: Update synchronize_srcu_expedited()'s comments srcu: Update synchronize_srcu()'s comments srcu: Remove checks preventing idle CPUs from calling srcu_read_lock() srcu: Remove checks preventing offline CPUs from calling srcu_read_lock() srcu: Simple cleanup for cleanup_srcu_struct() srcu: Add might_sleep() annotation to synchronize_srcu() srcu: Simplify __srcu_read_unlock() via this_cpu_dec() rcu: Allow rcutorture to be built at low optimization levels rcu: Make rcutorture's shuffler task shuffle recently added tasks rcu: Allow TREE_PREEMPT_RCU on UP systems rcu: Provide RCU CPU stall warnings for tiny RCU context_tracking: Add comments on interface and internals rcu: Remove obsolete Kconfig option from comment rcu: Remove unused code originally used for context tracking rcu: Consolidate debugging Kconfig options rcu: Correct 'optimized' to 'optimize' in header comment rcu: Trace callback acceleration rcu: Tag callback lists with corresponding grace-period number rcutorture: Don't compare ptr with 0 ...
2013-02-18Linux 3.8v3.8Linus Torvalds1-1/+1
2013-02-18genirq: Export enable/disable_percpu_irq()Chris Metcalf1-0/+2
These functions are used by the tilegx onchip network driver, and it's useful to be able to load that driver as a module. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Link: http://lkml.kernel.org/r/201302012043.r11KhNZF024371@farm-0021.internal.tilera.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-02-18Merge branch 'for-linus' of ↵Linus Torvalds3-6/+18
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input subsystem fixes from Dmitry Torokhov: "Two small driver fixups and a documentation update for managed input devices" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - fix wacom_set_report retry logic Input: document that unregistering managed devices is not necessary Input: lm8323 - fix checking PWM interrupt status
2013-02-18mm: fix pageblock bitmap allocationLinus Torvalds1-6/+9
Commit c060f943d092 ("mm: use aligned zone start for pfn_to_bitidx calculation") fixed out calculation of the index into the pageblock bitmap when a !SPARSEMEM zome was not aligned to pageblock_nr_pages. However, the _allocation_ of that bitmap had never taken this alignment requirement into accout, so depending on the exact size and alignment of the zone, the use of that index could then access past the allocation, resulting in some very subtle memory corruption. This was reported (and bisected) by Ingo Molnar: one of his random config builds would hang with certain very specific kernel command line options. In the meantime, commit c060f943d092 has been marked for stable, so this fix needs to be back-ported to the stable kernels that backported the commit to use the right alignment. Bisected-and-tested-by: Ingo Molnar <mingo@kernel.org> Acked-by: Mel Gorman <mgorman@suse.de> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-16perf/x86/amd: Enable northbridge performance counters on AMD family 15hJacob Shin4-20/+164
On AMD family 15h processors, there are 4 new performance counters (in addition to 6 core performance counters) that can be used for counting northbridge events (i.e. DRAM accesses). Their bit fields are almost identical to the core performance counters. However, unlike the core performance counters, these MSRs are shared between multiple cores (that share the same northbridge). We will reuse the same code path as existing family 10h northbridge event constraints handler logic to enforce this sharing. Signed-off-by: Jacob Shin <jacob.shin@amd.com> Acked-by: Stephane Eranian <eranian@google.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Jacob Shin <jacob.shin@amd.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360171589-6381-7-git-send-email-jacob.shin@amd.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-15Merge tag 'stable/for-linus-3.8-rc7-tag-two' of ↵Linus Torvalds5-65/+33
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull xen fixes from Konrad Rzeszutek Wilk: "Two fixes: - A simple bug-fix for redundant NULL check. - CVE-2013-0228/XSA-42: x86/xen: don't assume %ds is usable in xen_iret for 32-bit PVOPS and two reverts: - Revert the PVonHVM kexec. The patch introduces a regression with older hypervisor stacks, such as Xen 4.1." * tag 'stable/for-linus-3.8-rc7-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: Revert "xen PVonHVM: use E820_Reserved area for shared_info" Revert "xen/PVonHVM: fix compile warning in init_hvm_pv_info" xen: remove redundant NULL check before unregister_and_remove_pcpu(). x86/xen: don't assume %ds is usable in xen_iret for 32-bit PVOPS.
2013-02-15Revert "[media] dvb_frontend: return -ENOTTY for unimplement IOCTL"Mauro Carvalho Chehab1-3/+3
As reported by Klaus Schmidinger: "In VDR I use an ioctl() call with FE_READ_UNCORRECTED_BLOCKS on a device (using stb0899). After this call I check 'errno' for EOPNOTSUPP to determine whether this device supports this call. This used to work just fine, until a few months ago I noticed that my devices using stb0899 didn't display their signal quality in VDR's OSD any more. After further investigation I found that ioctl(FE_READ_UNCORRECTED_BLOCKS) no longer returns EOPNOTSUPP, but rather ENOTTY. And since I stop getting the signal quality in case any unknown errno value appears, this broke my signal quality query function." While the changes reflect what is there at: http://comments.gmane.org/gmane.linux.kernel/1235728 it does cause regression on userspace. So, revert it to stop the damage. This reverts commit 177ffe506cf8 ("[media] dvb_frontend: return -ENOTTY for unimplement IOCTL"). Reported-by: Klaus Schmidinger <Klaus.Schmidinger@tvdr.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparcLinus Torvalds5-14/+68
Pull sparc fixes from David Miller: "A couple small fixes for sparc including some THP brown-paper-bag material: 1) During the merging of all the THP support for various architectures, sparc missed adding a HAVE_ARCH_TRANSPARENT_HUGEPAGE to it's Kconfig, oops. 2) Sparc needs to be mindful of hugepages in get_user_pages_fast(). 3) Fix memory leak in SBUS probe, from Cong Ding. 4) The sunvdc virtual disk client driver has a test of the bitmask of vdisk server supported operations which was off by one bit" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sunvdc: Fix off-by-one in generic_request(). sparc64: Fix get_user_pages_fast() wrt. THP. sparc64: Add missing HAVE_ARCH_TRANSPARENT_HUGEPAGE. sparc: kernel/sbus.c: fix memory leakage
2013-02-15Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull one more x86 fix from Peter Anvin: "Sigh. One more patch in the "please don't brick my Samsung" series" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi: Clear EFI_RUNTIME_SERVICES rather than EFI_BOOT by "noefi" boot parameter
2013-02-15Merge tag '3.8-pci-fixes-3' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fix from Bjorn Helgaas: "This is another fix for v3.8. It fixes an oops that happens when a Thunderbolt adapter is unplugged (remove device, poll for PME events on no-longer-existing device, oops)." * tag '3.8-pci-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI/PM: Clean up PME state when removing a device
2013-02-15Merge tag 'omapdss-for-3.8-rc8' of git://gitorious.org/linux-omap-dss2/linuxLinus Torvalds2-1/+2
Pull omapdss fixes from Tomi Valkeinen: "It'd be great if these two late fixes would still make it into 3.8. The other one fixes ARM kernel compilation when using 'allyesconfig', and the other makes DPI displays function again on OMAP3630 boards: - Fix ARM compilation with "allyesconfig" (omapdrm: fix the dependency to omapdss) - fix DPI displays on OMAP3630 (OMAPDSS: add FEAT_DPI_USES_VDDS_DSI to omap3630_dss_feat_list)" * tag 'omapdss-for-3.8-rc8' of git://gitorious.org/linux-omap-dss2/linux: omapdrm: fix the dependency to omapdss OMAPDSS: add FEAT_DPI_USES_VDDS_DSI to omap3630_dss_feat_list
2013-02-15Merge branch 'i2c/for-current' of ↵Linus Torvalds1-13/+3
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c maintainer info update from Wolfram Sang: "Since my old email and repos are not working anymore, and this already caused some confusion, I think a MAINTAINERS update for 3.8 is helpful. So, people trying I2C with the new kernel can properly reach me and find my repos." * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: MAINTAINERS: change my email and repos
2013-02-15Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar13-11/+349
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: * Fix cleanup in case of kzalloc failure, from Daniel Baluta. * Limit unwind support to x86 archs, fix from Jiri Olsa. * Initial GTK+ annotate browser, from Namhyung Kim. * Fix build with bison 2.3 and older, from Vinson Lee. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-14Revert "xen PVonHVM: use E820_Reserved area for shared_info"Konrad Rzeszutek Wilk3-55/+24
This reverts commit 9d02b43dee0d7fb18dfb13a00915550b1a3daa9f. We are doing this b/c on 32-bit PVonHVM with older hypervisors (Xen 4.1) it ends up bothing up the start_info. This is bad b/c we use it for the time keeping, and the timekeeping code loops forever - as the version field never changes. Olaf says to revert it, so lets do that. Acked-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-02-14Revert "xen/PVonHVM: fix compile warning in init_hvm_pv_info"Konrad Rzeszutek Wilk1-1/+1
This reverts commit a7be94ac8d69c037d08f0fd94b45a593f1d45176. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-02-14perf/hwbp: Fix cleanup in case of kzalloc failureDaniel Baluta1-1/+1
Obviously this is a typo and could result in memory leaks if kzalloc fails on a given cpu. Signed-off-by: Daniel Baluta <dbaluta@ixiacom.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360186160-7566-1-git-send-email-dbaluta@ixiacom.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14sunvdc: Fix off-by-one in generic_request().David S. Miller1-1/+1
The 'operations' bitmap corresponds one-for-one with the operation codes, no adjustment is necessary. Reported-by: Mark Kettenis <mark.kettenis@xs4all.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-14perf tools: Fix build with bison 2.3 and older.Vinson Lee3-4/+2
The %name-prefix "prefix" syntax is not available on bison 2.3 and older. Substitute with the -p "prefix" command-line option for compatibility with older versions of bison. This patch fixes this build error with older versions of bison. CC util/sysfs.o BISON util/pmu-bison.c util/pmu.y:2.14-24: syntax error, unexpected string, expecting = make: *** [util/pmu-bison.c] Error 1 Signed-off-by: Vinson Lee <vlee@twitter.com> Tested-by: Li Zefan <lizefan@huawei.com> Cc: stable@vger.kernel.org # 3.4+ Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Li Zefan <lizefan@huawei.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Link: http://lkml.kernel.org/r/1360792138-29186-1-git-send-email-vlee@twitter.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf tools: Limit unwind support to x86 archsJiri Olsa1-0/+5
There's DWARF unwind support only for x86 archs, so limit the unwind.o object to them only. Without this building for other archs (e.g. cross compiling for ARM) is broken. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com> Link: http://lkml.kernel.org/n/tip-viqtvd6hppqgt68zz4wlqm20@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf annotate: Make it to be able to skip unannotatable symbolsNamhyung Kim2-2/+18
Add --skip-missing option for skipping symbols that cannot be used for annotation. It's the case of kernel symbols that user doesn't have a vmlinux image file. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-8-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf gtk/annotate: Fail early if it can't annotateNamhyung Kim1-8/+8
Don't need to setup a browser window if annotate cannot work. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-7-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf gtk/annotate: Show source lines with gray colorNamhyung Kim1-3/+27
In order to differentiate source lines from asm line, print them with gray color. To do this, it needs to be escaped since sometimes it contains "<" and/or ">" characters so that it should not be considered as a markup tags. Use glib's g_markup_escape_text() for this. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf gtk/annotate: Support multiple event annotationNamhyung Kim4-27/+56
Show multiple annotation result for each evsel. Each result represents the most frquently sampled symbol/function for the evsel and it will be shown in a tab window. For this add a reference to main container (notebook) to the pgctx. At the first call to annotate browser, hist_entry__find_annotations() will setup a new browser, and next calls will add new tabs to the browser. But it requires final perf_gtk__show_annotations() to start processing GUI events. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf ui/gtk: Implement basic GTK2 annotation browserNamhyung Kim6-4/+218
Basic implementation of perf annotate on GTK2. Currently only shows first symbol. Add a new --gtk option to use it. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf annotate: Fix warning message on a missing vmlinuxNamhyung Kim1-1/+1
When perf annotate runs with no vmlinux file it cannot annotate kernel symbols because the kallsyms only provides symbol addresses. So it recommends to run perf buildid-cache to install proper vmlinux image. But running perf buildid-cache -av vmlinux as the message gives me a following error: $ perf buildid-cache -av /home/namhyung/build/kernel/vmlinux Couldn't add v: No such file or directory Since the -a option receives a parameter, 'v' should not be after the option. In addition -a option is not work for this case since the build-id cache already has a kallsyms with same build-id so it'll fail with EEXIST. Use recently added -u (--update) option for it. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-6-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14perf buildid-cache: Add --update optionNamhyung Kim2-1/+53
When adding vmlinux file to build-id cache, it'd be fail since kallsyms dso with a same build-id was already added by perf record. So one needs to remove the kallsyms first to add vmlinux into the cache. Add --update option for doing it at once. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1360227734-375-5-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2013-02-14omapdrm: fix the dependency to omapdssTomi Valkeinen1-1/+1
omapdrm uses "select" in Kconfig to enable omapdss. This doesn't work correctly, as "select" forces omapdss to be enabled in the config even if it normally could not be enabled because of missing Kconfig dependencies. This causes a build break on ARM, when using allyesconfig: drivers/video/omap2/dss/dss.c: In function 'dss_calc_clock_div': drivers/video/omap2/dss/dss.c:572:20: error: 'CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK' undeclared (first use in this function) drivers/video/omap2/dss/dss.c:572:20: note: each undeclared identifier is reported only once for each function it appears in Instead of using select, this patch changes omapdrm to use "depend on". Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-02-14OMAPDSS: add FEAT_DPI_USES_VDDS_DSI to omap3630_dss_feat_listNeilBrown1-0/+1
commit 195e672a76056478cc79f5c48343164c9237852e OMAPDSS: DPI: Remove cpu_is_xxxx checks made the mistake of assuming that cpu_is_omap34xx() is exclusive of other cpu_is_* predicates whereas it includes cpu_is_omap3630(). So on an omap3630, code that was previously enabled by if (cpu_is_omap34xx()) is now disabled as dss_has_feature(FEAT_DPI_USES_VDDS_DSI) fails. So add FEAT_DPI_USES_VDDS_DSI to omap3630_dss_feat_list. Cc: Chandrabhanu Mahapatra <cmahapatra@ti.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2013-02-13efi: Clear EFI_RUNTIME_SERVICES rather than EFI_BOOT by "noefi" boot parameterSatoru Takeuchi1-1/+1
There was a serious problem in samsung-laptop that its platform driver is designed to run under BIOS and running under EFI can cause the machine to become bricked or can cause Machine Check Exceptions. Discussion about this problem: https://bugs.launchpad.net/ubuntu-cdimage/+bug/1040557 https://bugzilla.kernel.org/show_bug.cgi?id=47121 The patches to fix this problem: efi: Make 'efi_enabled' a function to query EFI facilities 83e68189745ad931c2afd45d8ee3303929233e7f samsung-laptop: Disable on EFI hardware e0094244e41c4d0c7ad69920681972fc45d8ce34 Unfortunately this problem comes back again if users specify "noefi" option. This parameter clears EFI_BOOT and that driver continues to run even if running under EFI. Refer to the document, this parameter should clear EFI_RUNTIME_SERVICES instead. Documentation/kernel-parameters.txt: =============================================================================== ... noefi [X86] Disable EFI runtime services support. ... =============================================================================== Documentation/x86/x86_64/uefi.txt: =============================================================================== ... - If some or all EFI runtime services don't work, you can try following kernel command line parameters to turn off some or all EFI runtime services. noefi turn off all EFI runtime services ... =============================================================================== Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Link: http://lkml.kernel.org/r/511C2C04.2070108@jp.fujitsu.com Cc: Matt Fleming <matt.fleming@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-02-13xen: remove redundant NULL check before unregister_and_remove_pcpu().Cyril Roelandt1-2/+1
unregister_and_remove_pcpu on a NULL pointer is a no-op, so the NULL check in sync_pcpu can be removed. Signed-off-by: Cyril Roelandt <tipecaml@gmail.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-02-13x86/xen: don't assume %ds is usable in xen_iret for 32-bit PVOPS.Jan Beulich1-7/+7
This fixes CVE-2013-0228 / XSA-42 Drew Jones while working on CVE-2013-0190 found that that unprivileged guest user in 32bit PV guest can use to crash the > guest with the panic like this: ------------- general protection fault: 0000 [#1] SMP last sysfs file: /sys/devices/vbd-51712/block/xvda/dev Modules linked in: sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 xen_netfront ext4 mbcache jbd2 xen_blkfront dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan] Pid: 1250, comm: r Not tainted 2.6.32-356.el6.i686 #1 EIP: 0061:[<c0407462>] EFLAGS: 00010086 CPU: 0 EIP is at xen_iret+0x12/0x2b EAX: eb8d0000 EBX: 00000001 ECX: 08049860 EDX: 00000010 ESI: 00000000 EDI: 003d0f00 EBP: b77f8388 ESP: eb8d1fe0 DS: 0000 ES: 007b FS: 0000 GS: 00e0 SS: 0069 Process r (pid: 1250, ti=eb8d0000 task=c2953550 task.ti=eb8d0000) Stack: 00000000 0027f416 00000073 00000206 b77f8364 0000007b 00000000 00000000 Call Trace: Code: c3 8b 44 24 18 81 4c 24 38 00 02 00 00 8d 64 24 30 e9 03 00 00 00 8d 76 00 f7 44 24 08 00 00 02 80 75 33 50 b8 00 e0 ff ff 21 e0 <8b> 40 10 8b 04 85 a0 f6 ab c0 8b 80 0c b0 b3 c0 f6 44 24 0d 02 EIP: [<c0407462>] xen_iret+0x12/0x2b SS:ESP 0069:eb8d1fe0 general protection fault: 0000 [#2] ---[ end trace ab0d29a492dcd330 ]--- Kernel panic - not syncing: Fatal exception Pid: 1250, comm: r Tainted: G D --------------- 2.6.32-356.el6.i686 #1 Call Trace: [<c08476df>] ? panic+0x6e/0x122 [<c084b63c>] ? oops_end+0xbc/0xd0 [<c084b260>] ? do_general_protection+0x0/0x210 [<c084a9b7>] ? error_code+0x73/ ------------- Petr says: " I've analysed the bug and I think that xen_iret() cannot cope with mangled DS, in this case zeroed out (null selector/descriptor) by either xen_failsafe_callback() or RESTORE_REGS because the corresponding LDT entry was invalidated by the reproducer. " Jan took a look at the preliminary patch and came up a fix that solves this problem: "This code gets called after all registers other than those handled by IRET got already restored, hence a null selector in %ds or a non-null one that got loaded from a code or read-only data descriptor would cause a kernel mode fault (with the potential of crashing the kernel as a whole, if panic_on_oops is set)." The way to fix this is to realize that the we can only relay on the registers that IRET restores. The two that are guaranteed are the %cs and %ss as they are always fixed GDT selectors. Also they are inaccessible from user mode - so they cannot be altered. This is the approach taken in this patch. Another alternative option suggested by Jan would be to relay on the subtle realization that using the %ebp or %esp relative references uses the %ss segment. In which case we could switch from using %eax to %ebp and would not need the %ss over-rides. That would also require one extra instruction to compensate for the one place where the register is used as scaled index. However Andrew pointed out that is too subtle and if further work was to be done in this code-path it could escape folks attention and lead to accidents. Reviewed-by: Petr Matousek <pmatouse@redhat.com> Reported-by: Petr Matousek <pmatouse@redhat.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2013-02-13sparc64: Fix get_user_pages_fast() wrt. THP.David S. Miller2-10/+63
Mostly mirrors the s390 logic, as unlike x86 we don't need the SetPageReferenced() bits. On sparc64 we also lack a user/privileged bit in the huge PMDs. In order to make this work for THP and non-THP builds, some header file adjustments were necessary. Namely, provide the PMD_HUGE_* bit defines and the pmd_large() inline unconditionally rather than protected by TRANSPARENT_HUGEPAGE. Reported-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13sparc64: Add missing HAVE_ARCH_TRANSPARENT_HUGEPAGE.David S. Miller1-0/+1
This got missed in the cleanups done for the S390 THP support. CC: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds22-149/+191
Pull networking fixes from David Miller: "This is primarily to get those r8169 reverts sorted, but other fixes have accumulated meanwhile. 1) Revert two r8169 changes to fix suspend/resume for some users, from Francois Romieu. 2) PCI dma mapping errors in atl1c are not checked for and this cause hard crashes for some users, from Xiong Huang. 3) In 3.8.x we merged the removal of the EXPERIMENTAL dependency for 'dlm' but the same patch for 'sctp' got lost somewhere, resulting in the potential for build errors since there are cross dependencies. From Kees Cook. 4) SCTP's ipv6 socket route validation makes boolean tests incorrectly, fix from Daniel Borkmann. 5) mac80211 does sizeof(ptr) instead of (sizeof(ptr) * nelem), from Cong Ding. 6) arp_rcv() can crash on shared non-linear packets, from Eric Dumazet. 7) Avoid crashes in macvtap by setting ->gso_type consistently in ixgbe, qlcnic, and bnx2x drivers. From Michael S Tsirkin and Alexander Duyck. 8) Trinity fuzzer spots infinite loop in __skb_recv_datagram(), fix from Eric Dumazet. 9) STP protocol frames should use high packet priority, otherwise an overloaded bridge can get stuck. From Stephen Hemminger. 10) The HTB packet scheduler was converted some time ago to store internal timestamps in nanoseconds, but we don't convert back into psched ticks for the user during dumps. Fix from Jiri Pirko. 11) mwl8k channel table doesn't set the .band field properly, resulting in NULL pointer derefs. Fix from Jonas Gorski. 12) mac80211 doesn't accumulate channels properly during a scan so we can downgrade heavily to a much less desirable connection speed. Fix from Johannes Berg. 13) PHY probe failure in stmmac can result in resource leaks and double MDIO registery later, from Giuseppe CAVALLARO. 14) Correct ipv6 checksumming in ip6t_NPT netfilter module, also fix address prefix mangling, from YOSHIFUJI Hideaki." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits) net, sctp: remove CONFIG_EXPERIMENTAL net: sctp: sctp_v6_get_dst: fix boolean test in dst cache batman-adv: Fix NULL pointer dereference in DAT hash collision avoidance net/macb: fix race with RX interrupt while doing NAPI atl1c: add error checking for pci_map_single functions htb: fix values in opt dump ixgbe: Only set gso_type to SKB_GSO_TCPV4 as RSC does not support IPv6 net: fix infinite loop in __skb_recv_datagram() net: qmi_wwan: add Yota / Megafon M100-1 4g modem mwl8k: fix band for supported channels bridge: set priority of STP packets mac80211: fix channel selection bug arp: fix possible crash in arp_rcv() bnx2x: set gso_type qlcnic: set gso_type ixgbe: fix gso type stmmac: mdio register has to fail if the phy is not found stmmac: fix macro used for debugging the xmit Revert "r8169: enable internal ASPM and clock request settings". Revert "r8169: enable ALDPS for power saving". ...
2013-02-13Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds7-100/+109
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "One (hopefully) last batch of x86 fixes. You asked for the patch by patch justifications, so here they are: x86, MCE: Retract most UAPI exports This one unexports from userspace a bunch of definitions which should never have been exported. We really don't want to create an accidental legacy here. x86, doc: Add a bootloader ID for OVMF This is a documentation-only patch, just recording the official assignment of a boot loader ID. x86: Do not leak kernel page mapping locations Security: avoid making it needlessly easy for user space to probe the kernel memory layout. x86/mm: Check if PUD is large when validating a kernel address Prevent failures using /proc/kcore when using 1G pages. x86/apic: Work around boot failure on HP ProLiant DL980 G7 Server systems Works around a BIOS problem causing boot failures on affected hardware." * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Check if PUD is large when validating a kernel address x86/apic: Work around boot failure on HP ProLiant DL980 G7 Server systems x86, doc: Add a bootloader ID for OVMF x86: Do not leak kernel page mapping locations x86, MCE: Retract most UAPI exports
2013-02-13MAINTAINERS: change my email and reposWolfram Sang1-13/+3
Change to my private email, change to my shiny new kernel.org repos, and drop outdated entry from the former maintainer. Drop my PCA entry, too, since it belongs to the I2C realm anyhow. Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
2013-02-13PCI/PM: Clean up PME state when removing a deviceRafael J. Wysocki1-0/+2
Devices are added to pci_pme_list when drivers use pci_enable_wake() or pci_wake_from_d3(), but they aren't removed from the list unless the driver explicitly disables wakeup. Many drivers never disable wakeup, so their devices remain on the list even after they are removed, e.g., via hotplug. A subsequent PME poll will oops when it tries to touch the device. This patch disables PME# on a device before removing it, which removes the device from pci_pme_list. This is safe even if the device never had PME# enabled. This oops can be triggered by unplugging a Thunderbolt ethernet adapter on a Macbook Pro, as reported by Daniel below. [bhelgaas: changelog] Reference: http://lkml.kernel.org/r/CAMVG2svG21yiM1wkH4_2pen2n+cr2-Zv7TbH3Gj+8MwevZjDbw@mail.gmail.com Reported-and-tested-by: Daniel J Blueman <daniel@quora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org
2013-02-13net, sctp: remove CONFIG_EXPERIMENTALKees Cook1-2/+2
This config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it. Acked-by: Vlad Yasevich <vyasevich@gmail.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13net: sctp: sctp_v6_get_dst: fix boolean test in dst cacheDaniel Borkmann1-2/+3
We walk through the bind address list and try to get the best source address for a given destination. However, currently, we take the 'continue' path of the loop when an entry is invalid (!laddr->valid) *and* the entry state does not equal SCTP_ADDR_SRC (laddr->state != SCTP_ADDR_SRC). Thus, still, invalid entries with SCTP_ADDR_SRC might not 'continue' as well as valid entries with SCTP_ADDR_{NEW, SRC, DEL}, with a possible false baddr and matchlen as a result, causing in worst case dst route to be false or possibly NULL. This test should actually be a '||' instead of '&&'. But lets fix it and make this a bit easier to read by having the condition the same way as similarly done in sctp_v4_get_dst. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13batman-adv: Fix NULL pointer dereference in DAT hash collision avoidancePau Koning1-1/+1
An entry in DAT with the hashed position of 0 can cause a NULL pointer dereference when the first entry is checked by batadv_choose_next_candidate. This first candidate automatically has the max value of 0 and the max_orig_node of NULL. Not checking max_orig_node for NULL in batadv_is_orig_node_eligible will lead to a NULL pointer dereference when checking for the lowest address. This problem was added in 785ea1144182c341b8b85b0f8180291839d176a8 ("batman-adv: Distributed ARP Table - create DHT helper functions"). Signed-off-by: Pau Koning <paukoning@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13net/macb: fix race with RX interrupt while doing NAPINicolas Ferre1-0/+5
When interrupts are disabled, an RX condition can occur but it is not reported when enabling interrupts again. We need to check RSR and use napi_reschedule() if condition is met. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13atl1c: add error checking for pci_map_single functionsHuang, Xiong1-7/+64
it is reported that code hit DMA-API errors on 3.8-rc6+, (see https://bugzilla.redhat.com/show_bug.cgi?id=908436, and https://bugzilla.redhat.com/show_bug.cgi?id=908550) this patch just adds error handler for pci_map_single and skb_frag_dma_map. Signed-off-by: xiong <xiong@qca.qualcomm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-13x86/mm: Check if PUD is large when validating a kernel addressMel Gorman2-0/+8
A user reported the following oops when a backup process reads /proc/kcore: BUG: unable to handle kernel paging request at ffffbb00ff33b000 IP: [<ffffffff8103157e>] kern_addr_valid+0xbe/0x110 [...] Call Trace: [<ffffffff811b8aaa>] read_kcore+0x17a/0x370 [<ffffffff811ad847>] proc_reg_read+0x77/0xc0 [<ffffffff81151687>] vfs_read+0xc7/0x130 [<ffffffff811517f3>] sys_read+0x53/0xa0 [<ffffffff81449692>] system_call_fastpath+0x16/0x1b Investigation determined that the bug triggered when reading system RAM at the 4G mark. On this system, that was the first address using 1G pages for the virt->phys direct mapping so the PUD is pointing to a physical address, not a PMD page. The problem is that the page table walker in kern_addr_valid() is not checking pud_large() and treats the physical address as if it was a PMD. If it happens to look like pmd_none then it'll silently fail, probably returning zeros instead of real data. If the data happens to look like a present PMD though, it will be walked resulting in the oops above. This patch adds the necessary pud_large() check. Unfortunately the problem was not readily reproducible and now they are running the backup program without accessing /proc/kcore so the patch has not been validated but I think it makes sense. Signed-off-by: Mel Gorman <mgorman@suse.de> Reviewed-by: Rik van Riel <riel@redhat.coM> Reviewed-by: Michal Hocko <mhocko@suse.cz> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: stable@vger.kernel.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20130211145236.GX21389@suse.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-13Merge branch 'rcu/srcu' of ↵Ingo Molnar2-44/+19
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull SRCU changes from Paul E. McKenney. " These include debugging aids, updates that move towards the goal of permitting srcu_read_lock() and srcu_read_unlock() to be used from idle and offline CPUs, and a few small fixes. " Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-12Merge branch 'autofs-fix' of ↵Linus Torvalds1-17/+8
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux into akpm Pull hp parisc automounter fix from Helge Deller: "This unbreaks automounter support for the parisc architecture (and probably aarch64 as well)."" * 'autofs-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: unbreak automounter support on 64-bit kernel with 32-bit userspace (v2)
2013-02-12Merge branch 'for-linus' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux into akpm Pull s390 regression fix from Martin Schwidefsky: "The recent fix for the s390 sched_clock() function uncovered yet another bug in s390_next_ktime which causes an endless loop in KVM. This regression should be fixed before v3.8. I keep the fingers crossed that this is the last one for v3.8." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/timer: avoid overflow when programming clock comparator
2013-02-12Merge branch 'for-linus' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu into akpm Pull m68knommu fix from Greg Ungerer: "This contains a single critical fix for the non-MMU m68k platforms. The change of the kernel exec code path has revealed a problem in the start thread code that causes crashing on boot. This is the fix for it." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: fix trap on execing /bin/init
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 15:11:19 +0000