Date: Wed, 15 Sep 2004 20:16:26 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 61558 for review Message-ID: <200409152016.i8FKGQHs099371@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=61558 Change 61558 by jhb@jhb_slimer on 2004/09/15 20:15:47 Don't spin forever as it does just spin forever it seems. We seem to have a problem on both i386 and sparc64 where we get into some sort of condition where we can't send an IPI under load. Affected files ... .. //depot/projects/smpng/sys/i386/i386/local_apic.c#12 edit Differences ... ==== //depot/projects/smpng/sys/i386/i386/local_apic.c#12 (text+ko) ==== @@ -725,15 +725,9 @@ destfield = dest; } -#ifdef DETECT_DEADLOCK /* Check for an earlier stuck IPI. */ if (!lapic_ipi_wait(BEFORE_SPIN)) panic("APIC: Previous IPI is stuck"); -#else - /* Wait for an earlier IPI to finish. */ - if (!lapic_ipi_wait(-1)) - panic("APIC: Previous IPI is stuck"); -#endif lapic_ipi_raw(icrlo, destfield);
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