[GIT] Sparc

[David Miller]

Two sparc64 perf bug fixes and add a sysrq facility so I can diagnose
these kinds of problems more quickly in the future.

Please pull, thanks a lot.

The following changes since commit ddffeb8c4d0331609ef2581d84de4d763607bd37:

  Linux 3.7-rc1 (2012-10-14 14:41:04 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git master

for you to fetch changes up to e793d8c6740f8fe704fa216e95685f4d92c4c4b9:

  sparc64: Fix bit twiddling in sparc_pmu_enable_event(). (2012-10-16 13:05:25 -0700)

----------------------------------------------------------------
David S. Miller (3):
      sparc64: Like x86 we should check current->mm during perf backtrace generation.
      sparc64: Add global PMU register dumping via sysrq.
      sparc64: Fix bit twiddling in sparc_pmu_enable_event().

 Documentation/sysrq.txt         |   1 +
 arch/sparc/include/asm/ptrace.h |  13 +++++++-
 arch/sparc/include/asm/smp_64.h |   2 ++
 arch/sparc/kernel/perf_event.c  |  15 +++++----
 arch/sparc/kernel/process_64.c  | 120 +++++++++++++++++++++++++++++++++++++++++++++++++++++++------------
 arch/sparc/kernel/smp_64.c      |  11 +++++++
 arch/sparc/mm/ultra.S           |  64 ++++++++++++++++++++++++++++++++++--
 drivers/tty/sysrq.c             |   1 +
 8 files changed, 198 insertions(+), 29 deletions(-)
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