From b2d8e03c5e1928464efc8251f9406cf8506f8973 Mon Sep 17 00:00:00 2001 From: Craig Tiller Date: Tue, 21 Mar 2017 11:01:48 -0700 Subject: [PATCH] Weaken some barriers that were stronger than necessary --- src/core/lib/iomgr/ev_epoll_linux.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c index 3b35491df9f..d5acdf0d4b4 100644 --- a/src/core/lib/iomgr/ev_epoll_linux.c +++ b/src/core/lib/iomgr/ev_epoll_linux.c @@ -1111,8 +1111,7 @@ static void notify_on(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, switch (curr) { case CLOSURE_NOT_READY: { /* CLOSURE_NOT_READY -> . */ - if (gpr_atm_full_cas(state, CLOSURE_NOT_READY, - (gpr_atm)closure)) { + if (gpr_atm_rel_cas(state, CLOSURE_NOT_READY, (gpr_atm)closure)) { return; /* Successful. Return */ } @@ -1204,7 +1203,7 @@ static void set_shutdown(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state, static void set_ready(grpc_exec_ctx *exec_ctx, grpc_fd *fd, gpr_atm *state) { while (true) { - gpr_atm curr = gpr_atm_acq_load(state); + gpr_atm curr = gpr_atm_no_barrier_load(state); switch (curr) { case CLOSURE_READY: {