Date: Wed, 13 Nov 2019 07:43:11 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r354677 - stable/12/sys/x86/x86 Message-ID: <201911130743.xAD7hBIu070672@repo.freebsd.org>
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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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