Date: Tue, 9 Nov 2004 14:51:18 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 64689 for review Message-ID: <200411091451.iA9EpIGV020425@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=64689 Change 64689 by jhb@jhb_slimer on 2004/11/09 14:50:33 Update. Affected files ... .. //depot/projects/smpng/sys/notes#25 edit Differences ... ==== //depot/projects/smpng/sys/notes#25 (text+ko) ==== @@ -51,6 +51,8 @@ a fast interrupt context - "Optimize" atomic_store_rel() on i386 (it actually seems to be slower, go figure) + + It is faster on UP, but slower on SMP, so tweak the patch so that we use + the non-MP safe 386 versions on all UP kernels. - Optimize spin locks on UP such that they don't do atomic operations - Untested - Unbenchmarkedhelp
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