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MEDIUM: xref: Use the new _HA_ATOMIC_* macros.

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Use the new _HA_ATOMIC_* macros and add barriers where needed.
This commit is contained in:
Olivier Houchard 2019-03-08 18:47:29 +01:00 committed by Olivier Houchard
parent a2735340fb
commit 8beb27e9ce
1 changed files with 2 additions and 2 deletions
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4
include/common/xref.h
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@ -31,7 +31,7 @@ static inline struct xref *xref_get_peer_and_lock(struct xref *xref)
while (1) {
/* Get the local pointer to the peer. */
local = HA_ATOMIC_XCHG(&xref->peer, XREF_BUSY);
local = _HA_ATOMIC_XCHG(&xref->peer, XREF_BUSY);
__ha_barrier_atomic_store();
/* If the local pointer is NULL, the peer no longer exists. */
@ -49,7 +49,7 @@ static inline struct xref *xref_get_peer_and_lock(struct xref *xref)
/* We are locked, the peer cant disapear, try to acquire
* the pper's lock. Note that remote can't be NULL.
*/
remote = HA_ATOMIC_XCHG(&local->peer, XREF_BUSY);
remote = _HA_ATOMIC_XCHG(&local->peer, XREF_BUSY);
/* The remote lock is BUSY, We retry the process. */
if (remote == XREF_BUSY) {