Date: Tue, 20 Apr 2010 12:22:06 +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: r206897 - head/sys/kern Message-ID: <201004201222.o3KCM6cc024386@svn.freebsd.org>
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Author: attilio Date: Tue Apr 20 12:22:06 2010 New Revision: 206897 URL: http://svn.freebsd.org/changeset/base/206897 Log: Fix compilation in the !SMP case. Keep the interrupts disabled in order to avoid preemption problems. Reported by: tinderbox, b.f. <bf1783 at googlemail dot com> MFC: 2 weeks X-MFC: r206878 Modified: head/sys/kern/kern_shutdown.c Modified: head/sys/kern/kern_shutdown.c ============================================================================== --- head/sys/kern/kern_shutdown.c Tue Apr 20 12:07:16 2010 (r206896) +++ head/sys/kern/kern_shutdown.c Tue Apr 20 12:22:06 2010 (r206897) @@ -496,8 +496,14 @@ shutdown_reset(void *junk, int howto) * generally, threads busy-waiting, with this spinlock held, * and waiting for responses by threads on other CPUs * (ie. smp_tlb_shootdown()). + * + * For the !SMP case it just needs to handle the former problem. */ +#ifdef SMP mtx_lock_spin(&smp_ipi_mtx); +#else + spinlock_enter(); +#endif /* cpu_boot(howto); */ /* doesn't do anything at the moment */ cpu_reset();
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