Messages in this thread Patch in this message | | | From | Yuanhan Liu <> | Subject | [PATCH 2/2] mutex: use spin_[un]lock instead of arch_spin_[un]lock | Date | Thu, 24 Jan 2013 17:22:45 +0800 |
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Use spin_[un]lock instead of arch_spin_[un]lock in mutex-debug.h so that we can collect the lock statistics of spin_lock_mutex from /proc/lock_stat.
Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com> --- kernel/mutex-debug.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/mutex-debug.h b/kernel/mutex-debug.h index 0799fd3..556c0bc 100644 --- a/kernel/mutex-debug.h +++ b/kernel/mutex-debug.h @@ -43,13 +43,13 @@ static inline void mutex_clear_owner(struct mutex *lock) \ DEBUG_LOCKS_WARN_ON(in_interrupt()); \ local_irq_save(flags); \ - arch_spin_lock(&(lock)->rlock.raw_lock);\ + spin_lock(lock); \ DEBUG_LOCKS_WARN_ON(l->magic != l); \ } while (0) #define spin_unlock_mutex(lock, flags) \ do { \ - arch_spin_unlock(&(lock)->rlock.raw_lock); \ + spin_unlock(lock); \ local_irq_restore(flags); \ preempt_check_resched(); \ } while (0) -- 1.7.7.6
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