lkml.org 
[lkml]   [2013]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] mutex: use spin_[un]lock instead of arch_spin_[un]lock
Date
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


\
 
 \ /
  Last update: 2013-01-24 11:01    [W:0.105 / U:1.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site