Revision tags: v3.14-rc4 |
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d4263348 |
| 20-Feb-2014 |
Jiri Kosina <jkosina@suse.cz> |
Merge branch 'master' into for-next
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Revision tags: v3.14-rc3, v3.14-rc2, v3.14-rc1 |
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41be702a |
| 23-Jan-2014 |
Paul Moore <pmoore@redhat.com> |
Merge tag 'v3.13' into next
Linux 3.13
Minor fixup needed in selinux_inet_conn_request()
Conflicts: security/selinux/hooks.c
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b3fdfc1b |
| 24-Feb-2014 |
Chris Zankel <chris@zankel.net> |
Merge tag 'xtensa-for-next-20140221-1' into for_next
Xtensa fixes for 3.14: - allow booting xtfpga on boards with new uBoot and >128MBytes memory; - drop nonexistent GPIO32 support from fsf variant;
Merge tag 'xtensa-for-next-20140221-1' into for_next
Xtensa fixes for 3.14: - allow booting xtfpga on boards with new uBoot and >128MBytes memory; - drop nonexistent GPIO32 support from fsf variant; - don't select USE_GENERIC_SMP_HELPERS; - enable common clock framework support, set up ethoc clock on xtfpga; - wire up sched_setattr and sched_getattr syscalls.
Signed-off-by: Chris Zankel <chris@zankel.net>
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825e587a |
| 28-Jan-2014 |
Paul Moore <pmoore@redhat.com> |
Merge tag 'v3.13' into stable-3.14
Linux 3.13
Conflicts: security/selinux/hooks.c
Trivial merge issue in selinux_inet_conn_request() likely due to me including patches that I sent to the stable f
Merge tag 'v3.13' into stable-3.14
Linux 3.13
Conflicts: security/selinux/hooks.c
Trivial merge issue in selinux_inet_conn_request() likely due to me including patches that I sent to the stable folks in my next tree resulting in the patch hitting twice (I think). Thankfully it was an easy fix this time, but regardless, lesson learned, I will not do that again.
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6ceb3391 |
| 04-Feb-2014 |
Kalle Valo <kvalo@qca.qualcomm.com> |
Merge remote-tracking branch 'wireless-next/master' into ath-next
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c29b8f31 |
| 03-Feb-2014 |
Mauro Carvalho Chehab <m.chehab@samsung.com> |
Merge tag 'v3.14-rc1' into patchwork
Linus 3.14-rc1
* tag 'v3.14-rc1': (11781 commits) Linus 3.14-rc1 hpfs: optimize quad buffer loading hpfs: remember free space parisc: add flexible mmap
Merge tag 'v3.14-rc1' into patchwork
Linus 3.14-rc1
* tag 'v3.14-rc1': (11781 commits) Linus 3.14-rc1 hpfs: optimize quad buffer loading hpfs: remember free space parisc: add flexible mmap memory layout support parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc parisc: convert uapi/asm/stat.h to use native types only parisc: wire up sched_setattr and sched_getattr parisc: fix cache-flushing parisc/sti_console: prefer Linux fonts over built-in ROM fonts hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors tools/power turbostat: introduce -s to dump counters tools/power turbostat: remove unused command line option afs: proc cells and rootcell are writeable tile: remove compat_sys_lookup_dcookie declaration to fix compile error Revert "PCI: Remove from bus_list and release resources in pci_release_dev()" ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA ARM: multi_v7_defconfig: add mvebu drivers clocksource: kona: Add basic use of external clock drivers: bus: fix CCI driver kcalloc call parameters swap ...
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4064e0ea |
| 29-Jan-2014 |
H. Peter Anvin <hpa@linux.intel.com> |
Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build
Bring in upstream merge of x86/kaslr for future patches.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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cc11f372 |
| 27-Jan-2014 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
Merge branch 'master' into staging-next
We need the network changes in staging-next in order to be able to fix up the rtl8821ae driver to build properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@l
Merge branch 'master' into staging-next
We need the network changes in staging-next in order to be able to fix up the rtl8821ae driver to build properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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2b45e0f9 |
| 25-Jan-2014 |
Ingo Molnar <mingo@kernel.org> |
Merge branch 'linus' into x86/urgent
Merge in the x86 changes to apply a fix.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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9326657a |
| 20-Jan-2014 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar: "Kernel side changes:
- Add Intel RAPL energy counter support (St
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar: "Kernel side changes:
- Add Intel RAPL energy counter support (Stephane Eranian) - Clean up uprobes (Oleg Nesterov) - Optimize ring-buffer writes (Peter Zijlstra)
Tooling side changes, user visible:
- 'perf diff': - Add column colouring improvements (Ramkumar Ramachandra)
- 'perf kvm': - Add guest related improvements, including allowing to specify a directory with guest specific /proc information (Dongsheng Yang) - Add shell completion support (Ramkumar Ramachandra) - Add '-v' option (Dongsheng Yang) - Support --guestmount (Dongsheng Yang)
- 'perf probe': - Support showing source code, asking for variables to be collected at probe time and other 'perf probe' operations that use DWARF information.
This supports only binaries with debugging information at this time, detached debuginfo (aka debuginfo packages) support should come in later patches (Masami Hiramatsu)
- 'perf record': - Rename --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 (Arnaldo Carvalho de Melo) - Default the -t/--thread option to no inheritance (Adrian Hunter) - Make per-cpu mmaps the default (Adrian Hunter)
- 'perf report': - Improve callchain processing performance (Frederic Weisbecker) - Retain bfd reference to lookup source line numbers, greatly optimizing, among other use cases, 'perf report -s srcline' (Adrian Hunter) - Improve callchain processing performance even more (Namhyung Kim) - Add a perf.data file header window in the 'perf report' TUI, associated with the 'i' hotkey, providing a counterpart to the --header option in the stdio UI (Namhyung Kim)
- 'perf script': - Add an option in 'perf script' to print the source line number (Adrian Hunter) - Add --header/--header-only options to 'script' and 'report', the default is not tho show the header info, but as this has been the default for some time, leave a single line explaining how to obtain that information (Jiri Olsa) - Add options to show comm, fork, exit and mmap PERF_RECORD_ events (Namhyung Kim) - Print callchains and symbols if they exist (David Ahern)
- 'perf timechart' - Add backtrace support to CPU info - Print pid along the name - Add support for CPU topology - Add new option --highlight'ing threads, be it by name or, if a numeric value is provided, that run more than given duration (Stanislav Fomichev)
- 'perf top': - Make 'perf top -g' refer to callchains, for consistency with other tools (David Ahern)
- 'perf trace': - Handle old kernels where the "raw_syscalls" tracepoints were called plain "syscalls" (David Ahern) - Remove thread summary coloring, by Pekka Enberg. - Honour -m option in 'trace', the tool was offering the option to set the mmap size, but wasn't using it when doing the actual mmap on the events file descriptors (Jiri Olsa)
- generic: - Backport libtraceevent plugin support (trace-cmd repository, with plugins for jbd2, hrtimer, kmem, kvm, mac80211, sched_switch, function, xen, scsi, cfg80211 (Jiri Olsa) - Print session information only if --stdio is given (Namhyung Kim)
Tooling side changes, developer visible (plumbing):
- Improve 'perf probe' exit path, release resources (Masami Hiramatsu) - Improve libtraceevent plugins exit path, allowing the registering of an unregister handler to be called at exit time (Namhyung Kim) - Add an alias to the build test makefile (make -C tools/perf build-test) (Namhyung Kim) - Get rid of die() and friends (good riddance!) in libtraceevent (Namhyung Kim) - 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) - 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 chores 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) - Add test for building detached source tarballs (Arnaldo Carvalho de Melo) - Move some header files (tools/perf/ to tools/include/ to make them available to other tools/ dwelling codebases (Namhyung Kim) - 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) - Make libtraceevent install target quieter (Jiri Olsa) - Make tests/make output more compact (Jiri Olsa) - Ignore generated files in feature-checks (Chunwei Chen) - Introduce pevent_filter_strerror() in libtraceevent, similar in purpose to libc's strerror() function (Namhyung Kim) - Use perf_data_file methods to write output file in 'record' and 'inject' (Jiri Olsa) - Use pr_*() functions where applicable in 'report' (Namhyumg Kim) - Add 'machine' 'addr_location' struct to have full picture (machine, thread, map, symbol, addr) for a (partially) resolved address, reducing function signatures (Arnaldo Carvalho de Melo) - Reduce code duplication in the histogram entry creation/insertion (Arnaldo Carvalho de Melo) - Auto allocate annotation histogram data structures (Arnaldo Carvalho de Melo) - No need to test against NULL before calling free, also set freed memory in struct pointers to NULL, to help fixing use after free bugs (Arnaldo Carvalho de Melo) - Rename some struct DSO binary_type related members and methods, to clarify its purpose and need for differentiation (symtab_type, ie one is about the files .text, CFI, etc, i.e. its binary contents, and the other is about where the symbol table came from (Arnaldo Carvalho de Melo) - Convert to new topic libraries, starting with an API one (sysfs, debugfs, etc), renaming liblk in the process (Borislav Petkov) - Get rid of some more panic() like error handling in libtraceevent. (Namhyung Kim) - Get rid of panic() like calls in libtraceevent (Namyung Kim) - Start carving out symbol parsing routines (perf, just moving routines to topic files in tools/lib/symbol/, tools that want to use it need to integrate it directly, ie no tools/lib/symbol/Makefile is provided (Arnaldo Carvalho de Melo) - Assorted refactoring patches, moving code around and adding utility evlist methods that will be used in the IPT patchset (Adrian Hunter) - Assorted mmap_pages handling fixes (Adrian Hunter) - Several man pages typo fixes (Dongsheng Yang) - Get rid of several die() calls in libtraceevent (Namhyung Kim) - Use basename() in a more robust way, to avoid problems related to different system library implementations for that function (Stephane Eranian) - Remove open coded management of short_name_allocated member (Adrian Hunter) - Several cleanups in the "dso" methods, constifying some parameters and renaming some fields to clarify its purpose (Arnaldo Carvalho de Melo) - Add per-feature check flags, fixing libunwind related build problems on some architectures (Jean Pihet) - Do not disable source line lookup just because of one failure. (Adrian Hunter) - Several 'perf kvm' man page corrections (Dongsheng Yang) - Correct the message in feature-libnuma checking, swowing the right devel package names for various distros (Dongsheng Yang) - Polish 'readn()' function and introduce its counterpart, 'writen()' (Jiri Olsa) - Start moving timechart state from global variables to a 'perf_tool' derived 'timechart' struct (Arnaldo Carvalho de Melo)
... and lots of fixes and improvements I forgot to list"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (282 commits) perf tools: Remove unnecessary callchain cursor state restore on unmatch perf callchain: Spare double comparison of callchain first entry perf tools: Do proper comm override error handling perf symbols: Export elf_section_by_name and reuse perf probe: Release all dynamically allocated parameters perf probe: Release allocated probe_trace_event if failed perf tools: Add 'build-test' make target tools lib traceevent: Unregister handler when xen plugin is unloaded tools lib traceevent: Unregister handler when scsi plugin is unloaded tools lib traceevent: Unregister handler when jbd2 plugin is is unloaded tools lib traceevent: Unregister handler when cfg80211 plugin is unloaded tools lib traceevent: Unregister handler when mac80211 plugin is unloaded tools lib traceevent: Unregister handler when sched_switch plugin is unloaded tools lib traceevent: Unregister handler when kvm plugin is unloaded tools lib traceevent: Unregister handler when kmem plugin is unloaded tools lib traceevent: Unregister handler when hrtimer plugin is unloaded tools lib traceevent: Unregister handler when function plugin is unloaded tools lib traceevent: Add pevent_unregister_print_function() tools lib traceevent: Add pevent_unregister_event_handler() tools lib traceevent: fix pointer-integer size mismatch ...
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Revision tags: v3.13 |
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19774998 |
| 14-Jan-2014 |
Ingo Molnar <mingo@kernel.org> |
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: Ad
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: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Revision tags: v3.13-rc8 |
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0050f7aa |
| 10-Jan-2014 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
perf evlist: Introduce evlist__for_each() & friends
For the common evsel list traversal, so that it becomes more compact.
Use the opportunity to start ditching the 'perf_' from 'perf_evlist__', as
perf evlist: Introduce evlist__for_each() & friends
For the common evsel list traversal, so that it becomes more compact.
Use the opportunity to start ditching the 'perf_' from 'perf_evlist__', as discussed, as the whole conversion touches a lot of places, lets do it piecemeal when we have the chance due to other work, like in this case.
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-qnkx7dzm2h6m6uptkfk03ni6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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38fd2c20 |
| 06-Jan-2014 |
James Morris <james.l.morris@oracle.com> |
Merge to v3.13-rc7 for prerequisite changes in the Xen code for TPM
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Revision tags: v3.13-rc7 |
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37e2c2a7 |
| 02-Jan-2014 |
Michal Marek <mmarek@suse.cz> |
Merge commit v3.13-rc1 into kbuild/misc
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Revision tags: v3.13-rc6, v3.13-rc5 |
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e23c34bb |
| 19-Dec-2013 |
Jiri Kosina <jkosina@suse.cz> |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply fixes on top of newer things in tree (efi-stub).
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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c4de673b |
| 16-Dec-2013 |
Johannes Berg <johannes.berg@intel.com> |
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
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348324c5 |
| 16-Dec-2013 |
Dmitry Torokhov <dmitry.torokhov@gmail.com> |
Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and new hwmon API.
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Revision tags: v3.13-rc4 |
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5d43889c |
| 10-Dec-2013 |
Dmitry Torokhov <dmitry.torokhov@gmail.com> |
Merge tag 'v3.13-rc3' into for-linus
Merging with the mainline to sync up on changes to serio core.
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f7698ba7 |
| 09-Dec-2013 |
Daniel Vetter <daniel.vetter@ffwll.ch> |
Merge tag 'v3.13-rc3' into drm-intel-next-queued
Linux 3.13-rc3
I need a backmerge for two reasons: - For merging the ppgtt patches from Ben I need to pull in the bdw support. - We now have dupli
Merge tag 'v3.13-rc3' into drm-intel-next-queued
Linux 3.13-rc3
I need a backmerge for two reasons: - For merging the ppgtt patches from Ben I need to pull in the bdw support. - We now have duplicated calls to intel_uncore_forcewake_reset in the setup code to due 2 different patches merged into -next and 3.13. The conflict is silen so I need the merge to be able to apply Deepak's fixup patch.
Conflicts: drivers/gpu/drm/i915/intel_display.c
Trivial conflict, it doesn't even show up in the merge diff.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Revision tags: v3.13-rc3, v3.13-rc2 |
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f19f8d8e |
| 26-Nov-2013 |
Tony Lindgren <tony@atomide.com> |
Merge branch 'omap-for-v3.13/fixes-take4' into omap-for-v3.14/board-removal
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258d2fbf |
| 25-Nov-2013 |
Mauro Carvalho Chehab <m.chehab@samsung.com> |
Merge tag 'v3.13-rc1' into patchwork
Linux 3.13-rc1
* tag 'v3.13-rc1': (11465 commits) Linux 3.13-rc1 ALSA: hda - Set current_headset_type to ALC_HEADSET_TYPE_ENUM (janitorial) ALSA: hda - Pr
Merge tag 'v3.13-rc1' into patchwork
Linux 3.13-rc1
* tag 'v3.13-rc1': (11465 commits) Linux 3.13-rc1 ALSA: hda - Set current_headset_type to ALC_HEADSET_TYPE_ENUM (janitorial) ALSA: hda - Provide missing pin configs for VAIO with ALC260 mm: place page->pmd_huge_pte to right union MAINTAINERS: add keyboard driver to Hyper-V file list x86, mm: do not leak page->ptl for pmd page tables ipc,shm: correct error return value in shmctl (SHM_UNLOCK) mm, mempolicy: silence gcc warning block/partitions/efi.c: fix bound check ARM: drivers/rtc/rtc-at91rm9200.c: disable interrupts at shutdown mm: hugetlbfs: fix hugetlbfs optimization kernel: remove CONFIG_USE_GENERIC_SMP_HELPERS cleanly ipc,shm: fix shm_file deletion races mm: thp: give transparent hugepage code a separate copy_page checkpatch: fix "Use of uninitialized value" warnings configfs: fix race between dentry put and lookup gso: handle new frag_list of frags GRO packets GFS2: Fix ref count bug relating to atomic_open genetlink: fix genl_set_err() group ID genetlink: fix genlmsg_multicast() bug ...
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30c27abd |
| 24-Nov-2013 |
Mark Brown <broonie@linaro.org> |
Merge tag 'v3.13-rc1' into asoc-arizona
Linux 3.13-rc1
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Revision tags: v3.13-rc1 |
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6886059f |
| 16-Nov-2013 |
Olof Johansson <olof@lixom.net> |
Merge tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few clock fixes, a runtime PM fix, and pinctrl-single fix along
Merge tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few clock fixes, a runtime PM fix, and pinctrl-single fix along with few other fixes that popped up during the merge window.
* tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix build for dra7xx without omap4 and 5 ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume doc: devicetree: Add bindings documentation for omap-des driver ARM: dts: doc: Document missing compatible property for omap-sham driver ARM: OMAP3: Beagle: fix return value check in beagle_opp_init() ARM: OMAP: devicetree: fix SPI node compatible property syntax items pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init() + sync with newer trunk
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#
ad5d6989 |
| 12-Nov-2013 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar: "As a first remark I'd like to note that the way to build perf toolin
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar: "As a first remark I'd like to note that the way to build perf tooling has been simplified and sped up, in the future it should be enough for you to build perf via:
cd tools/perf/ make install
(ie without the -j option.) The build system will figure out the number of CPUs and will do a parallel build+install.
The various build system inefficiencies and breakages Linus reported against the v3.12 pull request should now be resolved - please (re-)report any remaining annoyances or bugs.
Main changes on the perf kernel side:
* Performance optimizations: . perf ring-buffer code optimizations, by Peter Zijlstra . perf ring-buffer code optimizations, by Oleg Nesterov . x86 NMI call-stack processing optimizations, by Peter Zijlstra . perf context-switch optimizations, by Peter Zijlstra . perf sampling speedups, by Peter Zijlstra . x86 Intel PEBS processing speedups, by Peter Zijlstra
* Enhanced hardware support: . for Intel Ivy Bridge-EP uncore PMUs, by Zheng Yan . for Haswell transactions, by Andi Kleen, Peter Zijlstra
* Core perf events code enhancements and fixes by Oleg Nesterov: . for uprobes, if fork() is called with pending ret-probes . for uprobes platform support code
* New ABI details by Andi Kleen: . Report x86 Haswell TSX transaction abort cost as weight
Main changes on the perf tooling side (some of these tooling changes utilize the above kernel side changes):
* 'perf report/top' enhancements:
. Convert callchain children list to rbtree, greatly reducing the time taken for callchain processing, from Namhyung Kim.
. Add new COMM infrastructure, further improving histogram processing, from Frédéric Weisbecker, one fix from Namhyung Kim.
. Add /proc/kcore based live-annotation improvements, including build-id cache support, multi map 'call' instruction navigation fixes, kcore address validation, objdump workarounds. From Adrian Hunter.
. Show progress on histogram collapsing, that can take a long time, from Namhyung Kim.
. Add --max-stack option to limit callchain stack scan in 'top' and 'report', improving callchain processing when reducing the stack depth is an option, from Waiman Long.
. Add new option --ignore-vmlinux for perf top, from Willy Tarreau.
* 'perf trace' enhancements:
. 'perf trace' now can can use a 'perf probe' dynamic tracepoints to hook into the userspace -> kernel pathname copy so that it can map fds to pathnames without reading /proc/pid/fd/ symlinks. From Arnaldo Carvalho de Melo.
. Show VFS path associated with fd in live sessions, using a 'vfs_getname' 'perf probe' created dynamic tracepoint or by looking at /proc/pid/fd, from Arnaldo Carvalho de Melo.
. Add 'trace' beautifiers for lots of syscall arguments, from Arnaldo Carvalho de Melo.
. Implement more compact 'trace' output by suppressing zeroed args, from Arnaldo Carvalho de Melo.
. Show thread COMM by default in 'trace', from Arnaldo Carvalho de Melo.
. Add option to show full timestamp in 'trace', from David Ahern.
. Add 'record' command in 'trace', to record raw_syscalls:*, from David Ahern.
. Add summary option to dump syscall statistics in 'trace', from David Ahern.
. Improve error messages in 'trace', providing hints about system configuration steps needed for using it, from Ramkumar Ramachandra.
. 'perf trace' now emits hints as to why tracing is not possible, helping the user to setup the system to allow tracing in the desired permission granularity, telling if the problem is due to debugfs not being mounted or with not enough permission for !root, /proc/sys/kernel/perf_event_paranoit value, etc. From Arnaldo Carvalho de Melo.
* 'perf record' enhancements:
. Check maximum frequency rate for record/top, emitting better error messages, from Jiri Olsa.
. 'perf record' code cleanups, from David Ahern.
. Improve write_output error message in 'perf record', from Adrian Hunter.
. Allow specifying B/K/M/G unit to the --mmap-pages arguments, from Jiri Olsa.
. Fix command line callchain attribute tests to handle the new -g/--call-chain semantics, from Arnaldo Carvalho de Melo.
* 'perf kvm' enhancements:
. Disable live kvm command if timerfd is not supported, from David Ahern.
. Fix detection of non-core features, from David Ahern.
* 'perf list' enhancements:
. Add usage to 'perf list', from David Ahern.
. Show error in 'perf list' if tracepoints not available, from Pekka Enberg.
* 'perf probe' enhancements:
. Support "$vars" meta argument syntax for local variables, allowing asking for all possible variables at a given probe point to be collected when it hits, from Masami Hiramatsu.
* 'perf sched' enhancements:
. Address the root cause of that 'perf sched' stack initialization build slowdown, by programmatically setting a big array after moving the global variable back to the stack. Fix from Adrian Hunter.
* 'perf script' enhancements:
. Set up output options for in-stream attributes, from Adrian Hunter.
. Print addr by default for BTS in 'perf script', from Adrian Juntmer
* 'perf stat' enhancements:
. Improved messages when doing profiling in all or a subset of CPUs using a workload as the session delimitator, as in:
'perf stat --cpu 0,2 sleep 10s'
from Arnaldo Carvalho de Melo.
. Add units to nanosec-based counters in 'perf stat', from David Ahern.
. Remove bogus info when using 'perf stat' -e cycles/instructions, from Ramkumar Ramachandra.
* 'perf lock' enhancements:
. 'perf lock' fixes and cleanups, from Davidlohr Bueso.
* 'perf test' enhancements:
. Fixup PERF_SAMPLE_TRANSACTION handling in sample synthesizing and 'perf test', from Adrian Hunter.
. Clarify the "sample parsing" test entry, from Arnaldo Carvalho de Melo.
. Consider PERF_SAMPLE_TRANSACTION in the "sample parsing" test, from Arnaldo Carvalho de Melo.
. Memory leak fixes in 'perf test', from Felipe Pena.
* 'perf bench' enhancements:
. Change the procps visible command-name of invididual benchmark tests plus cleanups, from Ingo Molnar.
* Generic perf tooling infrastructure/plumbing changes:
. Separating data file properties from session, code reorganization from Jiri Olsa.
. Fix version when building out of tree, as when using one of these:
$ make help | grep perf perf-tar-src-pkg - Build perf-3.12.0.tar source tarball perf-targz-src-pkg - Build perf-3.12.0.tar.gz source tarball perf-tarbz2-src-pkg - Build perf-3.12.0.tar.bz2 source tarball perf-tarxz-src-pkg - Build perf-3.12.0.tar.xz source tarball $
from David Ahern.
. Enhance option parse error message, showing just the help lines of the options affected, from Namhyung Kim.
. libtraceevent updates from upstream trace-cmd repo, from Steven Rostedt.
. Always use perf_evsel__set_sample_bit to set sample_type, from Adrian Hunter.
. Memory and mmap leak fixes from Chenggang Qin.
. Assorted build fixes for from David Ahern and Jiri Olsa.
. Speed up and prettify the build system, from Ingo Molnar.
. Implement addr2line directly using libbfd, from Roberto Vitillo.
. Separate the GTK support in a separate libperf-gtk.so DSO, that is only loaded when --gtk is specified, from Namhyung Kim.
. perf bash completion fixes and improvements from Ramkumar Ramachandra.
. Support for Openembedded/Yocto -dbg packages, from Ricardo Ribalda Delgado.
And lots and lots of other fixes and code reorganizations that did not make it into the list, see the shortlog, diffstat and the Git log for details!"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (300 commits) uprobes: Fix the memory out of bound overwrite in copy_insn() uprobes: Fix the wrong usage of current->utask in uprobe_copy_process() perf tools: Remove unneeded include perf record: Remove post_processing_offset variable perf record: Remove advance_output function perf record: Refactor feature handling into a separate function perf trace: Don't relookup fields by name in each sample perf tools: Fix version when building out of tree perf evsel: Ditch evsel->handler.data field uprobes: Export write_opcode() as uprobe_write_opcode() uprobes: Introduce arch_uprobe->ixol uprobes: Kill module_init() and module_exit() uprobes: Move function declarations out of arch perf/x86/intel: Add Ivy Bridge-EP uncore IRP box support perf/x86/intel/uncore: Add filter support for IvyBridge-EP QPI boxes perf: Factor out strncpy() in perf_event_mmap_event() tools/perf: Add required memory barriers perf: Fix arch_perf_out_copy_user default perf: Update a stale comment perf: Optimize perf_output_begin() -- address calculation ...
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Revision tags: v3.12, v3.12-rc7 |
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aa30a2e0 |
| 23-Oct-2013 |
Ingo Molnar <mingo@kernel.org> |
Merge tag 'perf-core-for-mingo' of 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:
* Convert callchain
Merge tag 'perf-core-for-mingo' of 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:
* Convert callchain children list to rbtree, greatly reducing the time taken for callchain processing, from Namhyung Kim.
* Add --max-stack option to limit callchain stack scan in 'top' and 'report', improving callchain processing when reducing the stack depth is an option, from Waiman Long.
* Compare dso's also when comparing symbols, to avoid grouping together symbols with the same name but on different DSOs, fix from Namhyung Kim.
* 'perf trace' now can can use a 'perf probe' wannabe tracepoint to hook into the userspace -> kernel pathname copy so that it can map fds to pathnames without reading /proc/pid/fd/ symlinks. From Arnaldo Carvalho de Melo.
* 'perf trace' now emits hints as to why tracing is not possible, helping the user to setup the system to allow tracing in the desired permission granularity, telling if the problem is due to debugfs not being mounted or with not enough permission for !root, /proc/sys/kernel/perf_event_paranoit value, etc. From Arnaldo Carvalho de Melo.
* Add missing 'mmap2' in evsel debug print, from Adrian Hunter.
* Add missing decrement in id sample parsing, not a fix per se, just to avoid a problem whem somebody adds another field, from Adrian Hunter.
* Improve write_output error message in 'perf record', from Adrian Hunter.
* Add missing sample flush for piped events, fix from Adrian Hunter.
* Add missing members to perf_event__attr_swap(), fix from Adrian Hunter.
* Assorted fixes for 32-bit build, from Adrian Hunter
* Print addr by default for BTS in 'perf script', from Adrian Juntmer
* Separating data file properties from session, code reorganization from Jiri Olsa.
* Show error in 'perf list' if tracepoints not available, from Pekka Enberg.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
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