Author: avg
Date: Sat Oct 19 07:13:15 2019
New Revision: 353748
URL: https://svnweb.freebsd.org/changeset/base/353748
Log:
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.
MFC after: 23 days
Modified:
head/sys/x86/x86/cpu_machdep.c
Modified: head/sys/x86/x86/cpu_machdep.c
==============================================================================
--- head/sys/x86/x86/cpu_machdep.c Sat Oct 19 07:10:15 2019
(r353747)
+++ head/sys/x86/x86/cpu_machdep.c Sat Oct 19 07:13:15 2019
(r353748)
@@ -390,7 +390,6 @@ cpu_reset(void)
mb = &pcpu_find(0)->pc_monitorbuf;
atomic_store_int(&mb->stop_state,
MONITOR_STOPSTATE_RUNNING);
- wmb();
cnt = 0;
while (cpu_reset_proxy_active == 0 && cnt < 10000000) {
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
