diff options
| author | Emilio G. Cota <cota@braap.org> | 2018-08-19 05:13:26 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-23 18:46:25 +0200 |
| commit | 735d1af662f50634d79699a7c0a9633c0ac08251 (patch) | |
| tree | ac1cad7fc1db418c3ce950ce76aee390bd5b2d54 /include/qemu/rcu_queue.h | |
| parent | c177e0bf063659427874bf78236a762b5f040546 (diff) | |
| download | qemu-735d1af662f50634d79699a7c0a9633c0ac08251.zip qemu-735d1af662f50634d79699a7c0a9633c0ac08251.tar.gz qemu-735d1af662f50634d79699a7c0a9633c0ac08251.tar.bz2 | |
rcu_queue: remove barrier from QLIST_EMPTY_RCU
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>
Diffstat (limited to 'include/qemu/rcu_queue.h')
| -rw-r--r-- | include/qemu/rcu_queue.h | 2 |
1 files changed, 1 insertions, 1 deletions
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)) |