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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