diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-20 20:06:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-20 20:08:05 +0200 |
| commit | 250f972d85effad5b6e10da4bbd877e6a4b503b6 (patch) | |
| tree | 007393a6fc6439af7e0121dd99a6f9f9fb8405bc /include/linux/seqlock.h | |
| parent | 7372b0b122af0f6675f3ab65bfd91c8a438e0480 (diff) | |
| parent | bbe7b8bef48c567f5ff3f6041c1fb011292e8f12 (diff) | |
Merge branch 'timers/urgent' into timers/core
Reason: Get upstream fixes and kfree_rcu which is necessary for a
follow up patch.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/seqlock.h')
| -rw-r--r-- | include/linux/seqlock.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index e98cd2e57194..06d69648fc86 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -88,12 +88,12 @@ static __always_inline unsigned read_seqbegin(const seqlock_t *sl) unsigned ret; repeat: - ret = sl->sequence; - smp_rmb(); + ret = ACCESS_ONCE(sl->sequence); if (unlikely(ret & 1)) { cpu_relax(); goto repeat; } + smp_rmb(); return ret; } |