From 78dc25e86b090c7fa26e77ce6521a30002d150be Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Fri, 2 Sep 2016 14:36:56 -0700
Subject: [PATCH] Revert barrier change to restore TSAN passing
---
src/core/lib/support/mpscq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/core/lib/support/mpscq.c b/src/core/lib/support/mpscq.c
index cdd6335f82..5b9323275a 100644
--- a/src/core/lib/support/mpscq.c
+++ b/src/core/lib/support/mpscq.c
@@ -50,7 +50,7 @@ void gpr_mpscq_push(gpr_mpscq *q, gpr_mpscq_node *n) {
gpr_atm_no_barrier_store(&n->next, (gpr_atm)NULL);
gpr_mpscq_node *prev =
(gpr_mpscq_node *)gpr_atm_full_xchg(&q->head, (gpr_atm)n);
- gpr_atm_no_barrier_store(&prev->next, (gpr_atm)n);
+ gpr_atm_rel_store(&prev->next, (gpr_atm)n);
}
gpr_mpscq_node *gpr_mpscq_pop(gpr_mpscq *q) {
--
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