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| author |   Dave Barach <dave@barachs.net> | 2017-10-15 17:20:40 -0400 |
|---|---|---|
| committer | Dave Barach <dave@barachs.net> | 2017-10-16 18:34:33 -0400 |
| commit | 50328c9d1e2b9a6753d82f3d00f64c48d2b39efd (patch) | |
| tree | 4ef05bf7ea41913e6430c3b8ff78a3b4d7cd5ba4 | |
| parent | 1999e983c5537a43bc543d92a42e778bd43b22f9 (diff) | |
VPP-1031: Fix minor issues in clib_spinlock_unlock()
Change-Id: I20ce799c9dd57332c06003b466ee7c36169bce98
Signed-off-by: Dave Barach <dave@barachs.net>
(cherry picked from commit fa77e8fb1cc8a87a4a31792698e7200c4195583e)
| -rw-r--r-- | src/vppinfra/lock.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vppinfra/lock.h b/src/vppinfra/lock.h index 0cd2b4fe..7d241675 100644 --- a/src/vppinfra/lock.h +++ b/src/vppinfra/lock.h @@ -71,12 +71,14 @@ clib_spinlock_lock_if_init (clib_spinlock_t * p) static_always_inline void clib_spinlock_unlock (clib_spinlock_t * p) { - (*p)->lock = 0; #if CLIB_DEBUG > 0 (*p)->frame_address = 0; (*p)->pid = 0; (*p)->thread_index = 0; #endif + /* Make sure all writes are complete before releasing the lock */ + CLIB_MEMORY_BARRIER (); + (*p)->lock = 0; } static_always_inline void |