Date: Sat, 5 Apr 2003 17:25:23 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Tor Egge <tegge@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/conf options.i386 src/sys/i386/i386 tsc.c src/sys/i386/conf NOTES Message-ID: <20030405171037.Y37234@gamplex.bde.org> In-Reply-To: <200304042354.h34NslFp075997@repoman.freebsd.org> References: <200304042354.h34NslFp075997@repoman.freebsd.org>
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On Fri, 4 Apr 2003, Tor Egge wrote: > tegge 2003/04/04 15:54:47 PST > > FreeBSD src repository > > Modified files: > sys/conf options.i386 > sys/i386/i386 tsc.c > sys/i386/conf NOTES > Log: > Add SMP_TSC option, which can be used on SMP systems where the TSCs > are synchronized to reduce context switch cost. This should be implemented by making the TSC timecounter available on all systems that have a TSC, but not actually using it for the SMP case unless it is enabled using sysctl "machdep.timecounter.hardware=TSC". Bruce
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