Date: Wed, 18 May 2011 15:09:49 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r222061 - user/avg/xcpu/sys/kern Message-ID: <201105181509.p4IF9nHg096924@svn.freebsd.org>
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Author: avg Date: Wed May 18 15:09:48 2011 New Revision: 222061 URL: http://svn.freebsd.org/changeset/base/222061 Log: smp rendezvous: remove unneeded memory barriers Modified: user/avg/xcpu/sys/kern/subr_smp.c Modified: user/avg/xcpu/sys/kern/subr_smp.c ============================================================================== --- user/avg/xcpu/sys/kern/subr_smp.c Wed May 18 15:08:30 2011 (r222060) +++ user/avg/xcpu/sys/kern/subr_smp.c Wed May 18 15:09:48 2011 (r222061) @@ -473,7 +473,7 @@ smp_rendezvous_wait(volatile struct smp_ ncpus = rv->smp_rv_ncpus; - while (atomic_load_acq_int(&rv->smp_rv_waiters) < ncpus) { + while (rv->smp_rv_waiters < ncpus) { /* check for incoming events */ if ((stopping_cpus & (1 << curcpu)) != 0) cpustop_handler(); @@ -549,7 +549,7 @@ smp_rendezvous_cpus_oneaction(cpumask_t } rv->smp_rv_action_func = action_func; - atomic_store_rel_int(&rv->smp_rv_waiters, 0); + rv->smp_rv_waiters = 0; tmp = map; while (tmp != 0) {
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