Author: attilio
Date: Sun May 29 02:09:09 2011
New Revision: 222436
URL: http://svn.freebsd.org/changeset/base/222436
Log:
MFC r222002:
Do not use memory barrier when is not necessary.
Modified:
stable/8/sys/dev/hwpmc/hwpmc_mod.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/dev/hwpmc/hwpmc_mod.c
==============================================================================
--- stable/8/sys/dev/hwpmc/hwpmc_mod.c Sun May 29 00:59:38 2011
(r222435)
+++ stable/8/sys/dev/hwpmc/hwpmc_mod.c Sun May 29 02:09:09 2011
(r222436)
@@ -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);
_______________________________________________
[email protected] mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "[email protected]"
