This patch modifies the queue_write_unlock() function to use the new smp_store_release() function in another pending patch. This patch should only be merged if the other patch was merged. Signed-off-by: Waiman Long <Waiman.Long@xxxxxx> --- include/asm-generic/qrwlock.h | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/include/asm-generic/qrwlock.h b/include/asm-generic/qrwlock.h index 288fb00..479c142 100644 --- a/include/asm-generic/qrwlock.h +++ b/include/asm-generic/qrwlock.h @@ -219,9 +219,7 @@ static inline void queue_write_unlock(struct qrwlock *lock) /* * Make sure that none of the critical section will be leaked out. */ - smp_mb__before_clear_bit(); - ACCESS_ONCE(lock->cnts.writer) = 0; - smp_mb__after_clear_bit(); + smp_store_release(&lock->cnts.writer, 0); } /* -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
