Date: Mon, 16 May 2011 23:35:14 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r222002 - head/sys/dev/hwpmc Message-ID: <201105162335.p4GNZEUV003507@svn.freebsd.org>
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Author: attilio Date: Mon May 16 23:35:14 2011 New Revision: 222002 URL: http://svn.freebsd.org/changeset/base/222002 Log: Merge r221279,221280 from largeSMP project: pmc_mask doesn't need to use memory barriers. Reviewed by: fabient Tested by: several MFC after: 1 week Modified: head/sys/dev/hwpmc/hwpmc_mod.c Modified: head/sys/dev/hwpmc/hwpmc_mod.c ============================================================================== --- head/sys/dev/hwpmc/hwpmc_mod.c Mon May 16 23:20:12 2011 (r222001) +++ head/sys/dev/hwpmc/hwpmc_mod.c Mon May 16 23:35:14 2011 (r222002) @@ -4083,7 +4083,7 @@ pmc_process_interrupt(int cpu, struct pm done: /* mark CPU as needing processing */ - atomic_set_rel_int(&pmc_cpumask, (1 << cpu)); + atomic_set_int(&pmc_cpumask, (1 << cpu)); return (error); } @@ -4193,7 +4193,7 @@ pmc_process_samples(int cpu) break; if (ps->ps_nsamples == PMC_SAMPLE_INUSE) { /* Need a rescan at a later time. */ - atomic_set_rel_int(&pmc_cpumask, (1 << cpu)); + atomic_set_int(&pmc_cpumask, (1 << cpu)); break; } @@ -4782,7 +4782,7 @@ pmc_cleanup(void) PMCDBG(MOD,INI,0, "%s", "cleanup"); /* switch off sampling */ - atomic_store_rel_int(&pmc_cpumask, 0); + pmc_cpumask = 0; pmc_intr = NULL; sx_xlock(&pmc_sx);
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