From 7c80e5e06995bffd7ccce28bda173ee37d467cc1 Mon Sep 17 00:00:00 2001 From: Taylor R Campbell Date: Thu, 31 Mar 2022 02:42:06 +0000 Subject: [PATCH 39/49] ucas(9): Convert membar_exit to membar_release. --- sys/kern/subr_copy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/kern/subr_copy.c b/sys/kern/subr_copy.c index 0ba7e40c54a2..a6604b81b7d1 100644 --- a/sys/kern/subr_copy.c +++ b/sys/kern/subr_copy.c @@ -412,7 +412,7 @@ ucas_critical_cpu_gate(void *arg __unused) * the following atomic_dec_uint into a store-release. */ #ifndef __HAVE_ATOMIC_AS_MEMBAR - membar_exit(); + membar_release(); #endif atomic_dec_uint(&ucas_critical_pausing_cpus); @@ -449,7 +449,7 @@ ucas_critical_wait(void) * happen before the ucas -- no buffered stores in other CPUs * can clobber it later on, for instance. * - * Matches membar_exit/atomic_dec_uint (store-release) in + * Matches membar_release/atomic_dec_uint (store-release) in * ucas_critical_cpu_gate. */ while (atomic_load_acquire(&ucas_critical_pausing_cpus) > 0) {