Lines Matching refs:barrier
1024 * FIXME: Ideally, we need a memory barrier on the writer side as well,
1025 * but adding a memory barrier to all events will cause too much of a
1026 * performance hit in the fast path. We only need a memory barrier when
1400 barrier();
2289 barrier();
2964 * No need for a memory barrier here, as the update
2970 /* add barrier to keep gcc from optimizing too much */
2971 barrier();
2983 barrier();
2987 barrier();
3009 barrier();
3016 barrier();
3512 barrier();
3515 barrier();
3589 barrier();
3591 barrier();
3669 barrier();
4641 * if the page has not been fully filled, so the read barrier