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Date:      Mon, 26 Apr 1999 00:47:29 +0930 (CST)
From:      "Daniel J. O'Connor" <doconnor@gsoft.com.au>
To:        Mike Smith <mike@smith.net.au>
Cc:        freebsd-smp@freebsd.org, "Daniel J. O'Connor" <darius@dons.net.au>, Peter Wemm <peter@netplex.com.au>
Subject:   Re: Really slow SMP
Message-ID:  <XFMail.990426004729.doconnor@gsoft.com.au>
In-Reply-To: <199904231442.HAA00413@dingo.cdrom.com>

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On 23-Apr-99 Mike Smith wrote:
>  My apologies for the scad of these in a row; I'm doing my mail while I 
>  lurk in airports, and it hasn't been fun, I tell you.
Huh.. :)

> > (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?

I guess some BIOSen don't set MTRR's on anything but the first CPU.. Maybe time
for a BIOS upgrade..?

---
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum




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