From e379b8f30bfef527f52b3b54dae2ed3689869bec Mon Sep 17 00:00:00 2001 From: attilio Date: Mon, 16 May 2011 23:35:14 +0000 Subject: [PATCH] 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 --- sys/dev/hwpmc/hwpmc_mod.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/dev/hwpmc/hwpmc_mod.c b/sys/dev/hwpmc/hwpmc_mod.c index 4fa169c6b349..d6225d8f5ae3 100644 --- a/sys/dev/hwpmc/hwpmc_mod.c +++ b/sys/dev/hwpmc/hwpmc_mod.c @@ -4083,7 +4083,7 @@ pmc_process_interrupt(int cpu, struct pmc *pm, struct trapframe *tf, 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);