diff mbox series

[PULL,37/74] rcu_queue: remove barrier from QLIST_EMPTY_RCU

Message ID 1534870966-9287-38-git-send-email-pbonzini@redhat.com
State New
Headers show
Series [PULL,01/74] tests: virtio: separate ccw tests from libqos | expand

Commit Message

Paolo Bonzini Aug. 21, 2018, 5:02 p.m. UTC 
From: "Emilio G. Cota" <cota@braap.org>

It's unnecessary because the pointer isn't dereferenced.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20180819091335.22863-3-cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/qemu/rcu_queue.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/qemu/rcu_queue.h b/include/qemu/rcu_queue.h
index dd7b3be..6881ea5 100644
--- a/include/qemu/rcu_queue.h
+++ b/include/qemu/rcu_queue.h
@@ -36,7 +36,7 @@  extern "C" {
 /*
  * List access methods.
  */
-#define QLIST_EMPTY_RCU(head) (atomic_rcu_read(&(head)->lh_first) == NULL)
+#define QLIST_EMPTY_RCU(head) (atomic_read(&(head)->lh_first) == NULL)
 #define QLIST_FIRST_RCU(head) (atomic_rcu_read(&(head)->lh_first))
 #define QLIST_NEXT_RCU(elm, field) (atomic_rcu_read(&(elm)->field.le_next))