[PATCH v5 0/7] add mutex wait/wound/style style locks

Maarten Lankhorst maarten.lankhorst at canonical.com
Thu Jun 20 04:30:55 PDT 2013


Changes since v4:
- Some documentation cleanups.
- Added a lot more tests to cover all the DEBUG_LOCKS_WARN_ON cases.
- Added EDEADLK tests.
- Split off the normal mutex tests to a separate patch.
- Added a patch to not allow tests to fail that succeed with PROVE_LOCKING enabled.

---

Daniel Vetter (1):
      mutex: w/w mutex slowpath debugging

Maarten Lankhorst (6):
      arch: make __mutex_fastpath_lock_retval return whether fastpath succeeded or not.
      mutex: add support for wound/wait style locks, v5
      mutex: Add ww tests to lib/locking-selftest.c. v5
      mutex: add more tests to lib/locking-selftest.c
      mutex: add more ww tests to test EDEADLK path handling
      locking-selftests: handle unexpected failures more strictly


 Documentation/ww-mutex-design.txt |  343 ++++++++++++++++++
 arch/ia64/include/asm/mutex.h     |   10 -
 arch/powerpc/include/asm/mutex.h  |   10 -
 arch/sh/include/asm/mutex-llsc.h  |    4 
 arch/x86/include/asm/mutex_32.h   |   11 -
 arch/x86/include/asm/mutex_64.h   |   11 -
 include/asm-generic/mutex-dec.h   |   10 -
 include/asm-generic/mutex-null.h  |    2 
 include/asm-generic/mutex-xchg.h  |   10 -
 include/linux/mutex-debug.h       |    1 
 include/linux/mutex.h             |  363 +++++++++++++++++++
 kernel/mutex.c                    |  384 ++++++++++++++++++--
 lib/Kconfig.debug                 |   13 +
 lib/debug_locks.c                 |    2 
 lib/locking-selftest.c            |  720 ++++++++++++++++++++++++++++++++++++-
 15 files changed, 1802 insertions(+), 92 deletions(-)
 create mode 100644 Documentation/ww-mutex-design.txt

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