Date: Sun, 1 Mar 2009 14:26:24 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r189232 - head/sys/kern Message-ID: <200903011426.n21EQOdp045591@svn.freebsd.org>
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Author: dchagin Date: Sun Mar 1 14:26:24 2009 New Revision: 189232 URL: http://svn.freebsd.org/changeset/base/189232 Log: Fix range-check error introduced in r182292. Also do not do anything if all processors in the map are not available, simply return. Approved by: kib (mentor) MFC after: 1 week Modified: head/sys/kern/subr_smp.c Modified: head/sys/kern/subr_smp.c ============================================================================== --- head/sys/kern/subr_smp.c Sun Mar 1 12:44:33 2009 (r189231) +++ head/sys/kern/subr_smp.c Sun Mar 1 14:26:24 2009 (r189232) @@ -362,9 +362,11 @@ smp_rendezvous_cpus(cpumask_t map, return; } - for (i = 0; i < mp_maxid; i++) + for (i = 0; i <= mp_maxid; i++) if (((1 << i) & map) != 0 && !CPU_ABSENT(i)) ncpus++; + if (ncpus == 0) + return; /* obtain rendezvous lock */ mtx_lock_spin(&smp_ipi_mtx);
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