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 <mi...@kernel.org>
Signed-off-by: Yuanhan Liu <yuanhan....@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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