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| author | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
| commit | e24bce8fb4c26bd0d8eca74cbbee1ad049246be3 (patch) | |
| tree | c219c2ec183633aa15841fca5b055a09d2d0b980 /include/linux/percpu-rwsem.h | |
| parent | b92675d998a9fa37fe9e0e35053a95b4a23c158b (diff) | |
| parent | c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff) | |
Merge tag 'v4.11-rc1' into omap-for-v4.11/fixes
Linux 4.11-rc1
Diffstat (limited to 'include/linux/percpu-rwsem.h')
| -rw-r--r-- | include/linux/percpu-rwsem.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h index 5b2e6159b744..93664f022ecf 100644 --- a/include/linux/percpu-rwsem.h +++ b/include/linux/percpu-rwsem.h @@ -4,15 +4,15 @@ #include <linux/atomic.h> #include <linux/rwsem.h> #include <linux/percpu.h> -#include <linux/wait.h> +#include <linux/rcuwait.h> #include <linux/rcu_sync.h> #include <linux/lockdep.h> struct percpu_rw_semaphore { struct rcu_sync rss; unsigned int __percpu *read_count; - struct rw_semaphore rw_sem; - wait_queue_head_t writer; + struct rw_semaphore rw_sem; /* slowpath */ + struct rcuwait writer; /* blocked writer */ int readers_block; }; @@ -22,7 +22,7 @@ static struct percpu_rw_semaphore name = { \ .rss = __RCU_SYNC_INITIALIZER(name.rss, RCU_SCHED_SYNC), \ .read_count = &__percpu_rwsem_rc_##name, \ .rw_sem = __RWSEM_INITIALIZER(name.rw_sem), \ - .writer = __WAIT_QUEUE_HEAD_INITIALIZER(name.writer), \ + .writer = __RCUWAIT_INITIALIZER(name.writer), \ } extern int __percpu_down_read(struct percpu_rw_semaphore *, int); |