Author: avg
Date: Wed Nov 13 07:43:11 2019
New Revision: 354677
URL: https://svnweb.freebsd.org/changeset/base/354677
Log:
MFC r353748: remove wmb() call from x86 cpu_reset()
The rationale is pretty much the same as in r353747.
There is no subsequent dependent store.
The store is to the regular (TSO) memory anyway.
Modified:
stable/12/sys/x86/x86/cpu_machdep.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/x86/x86/cpu_machdep.c
==============================================================================
--- stable/12/sys/x86/x86/cpu_machdep.c Wed Nov 13 07:41:19 2019
(r354676)
+++ stable/12/sys/x86/x86/cpu_machdep.c Wed Nov 13 07:43:11 2019
(r354677)
@@ -379,7 +379,6 @@ cpu_reset(void)
/* Restart CPU #0. */
CPU_SETOF(0, &started_cpus);
- wmb();
cnt = 0;
while (cpu_reset_proxy_active == 0 && cnt < 10000000) {
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