[PATCH v2 0/4] mutex: Modifications to mutex

[Jason Low <jason.low2@hp.com>]

v1->v2:
- Remove the MUTEX_SHOW_NO_WAITER() macro.
- Use !mutex_is_locked() instead of introducing a new MUTEX_IS_UNLOCKED() macro.
- Add more information to the changelog of the "Optimize mutex trylock slowpath"
  patch

This patchset contains documentation fixes and optimizations for mutex.

Jason Low (4):
  mutex: Correct documentation on mutex optimistic spinning
  mutex: Delete the MUTEX_SHOW_NO_WAITER macro
  mutex: Try to acquire mutex only if it is unlocked
  mutex: Optimize mutex trylock slowpath

 kernel/locking/mutex.c |   35 ++++++++++++++++++-----------------
 1 files changed, 18 insertions(+), 17 deletions(-)