Date: Tue, 27 Apr 1999 19:43:37 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: mike@smith.net.au (Mike Smith) Cc: peter@netplex.com.au, darius@dons.net.au, freebsd-smp@FreeBSD.ORG Subject: Re: Really slow SMP Message-ID: <199904271943.MAA03094@usr04.primenet.com> In-Reply-To: <199904231442.HAA00413@dingo.cdrom.com> from "Mike Smith" at Apr 23, 99 07:42:17 am
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> > (There is no MTRR synchronization like there was before. Previously the > > BSP would dump all it's MTRR registers to a table and all the other AP > > cpus would load that table on startup. That table doesn't exist anymore.) > > Hmm. It's quite likely that the BIOS is only setting the MTRRs in the > BSP; why aren't the APs doing this anymore? Right; this is the crux of the matter: it used to work, now it doesn't. Clearly, the SMP patches are what had this effect; the question is why? Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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