Date: Tue, 19 Oct 2004 20:29:14 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 63384 for review Message-ID: <200410192029.i9JKTE86093204@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=63384 Change 63384 by jhb@jhb_tibook on 2004/10/19 20:29:11 Use fences here as well. Affected files ... .. //depot/projects/smpng/sys/amd64/include/bus_amd64.h#4 edit Differences ... ==== //depot/projects/smpng/sys/amd64/include/bus_amd64.h#4 (text+ko) ==== @@ -1215,9 +1215,9 @@ { #ifdef __GNUC__ if (flags & BUS_SPACE_BARRIER_READ) - __asm __volatile("lock; addl $0,0(%%rsp)" : : : "memory"); + __asm __volatile("lfence" : : : "memory"); else - __asm __volatile("" : : : "memory"); + __asm __volatile("sfence" : : : "memory"); #endif }
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