Date: Sat, 8 Jul 2000 22:32:25 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: John Polstra <jdp@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/libexec/rtld-elf rtld.c rtld.h lockdflt.c src/libexec/rtld-elf/alpha lockdflt.c rtld_machdep.h rtld_start.S src/libexec/rtld-elf/i386 lockdflt.c rtld_machdep.h Message-ID: <200007090232.WAA48341@khavrinen.lcs.mit.edu> In-Reply-To: <200007080410.VAA94282@freefall.freebsd.org> References: <200007080410.VAA94282@freefall.freebsd.org>
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<<On Fri, 7 Jul 2000 21:10:38 -0700 (PDT), John Polstra <jdp@FreeBSD.org> said: > spinlocks I used the very nifty "simple, non-scalable reader-preference > lock" which I found at > <http://www.cs.rochester.edu/u/scott/synchronization/pseudocode/rw.html>; > on all CPUs except the 80386 (the specific CPU model, not the > architecture). The 80386 CPU doesn't support the necessary "cmpxchg" Another reason why we should stop supporting the '386. -GAWollman To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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