[RFC PATCH 0/6] perf: cleanup and fixes

[Frederic Weisbecker]

cleanups and fixes for perf core, although the last one could
go to perf/urgent.

It has only been tested in x86.

Frederic Weisbecker (6):
  perf: Drop unappropriate tests on arch callchains
  perf: Generalize callchain_store()
  perf: Generalize some arch callchain code
  perf: Factorize callchain context handling
  perf: Fix race in callchains
  perf: Fix double put_ctx

 arch/arm/kernel/perf_event.c         |   62 +--------
 arch/powerpc/kernel/perf_callchain.c |   86 ++++---------
 arch/sh/kernel/perf_callchain.c      |   50 +-------
 arch/sparc/kernel/perf_event.c       |   69 ++++-------
 arch/x86/kernel/cpu/perf_event.c     |   82 +++----------
 include/linux/perf_event.h           |   16 +++-
 kernel/perf_event.c                  |  228 +++++++++++++++++++++++++++++-----
 7 files changed, 289 insertions(+), 304 deletions(-)

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