Re: PPro write combining

Kimon Berlin (
Tue, 28 Jan 1997 10:50:18 +0100

> > enable, and then use IPI to synchronise it over all available processors). I
> > might need some help with the x86 assembly language stuff (I don't use
> > instructions like WMSR all that often :-), and the help of the linux-smp
> > people will also be necessary.
> Actually if you do it during the boot up before you go MP its not so bad.

But you need to have the second CPU up to clone the first CPU's MTRRs, right?
Or does the SMP code already handle this automatically?


Kimon Berlin - Hewlett-Packard Performance Desktop Computing Operation R&D
(BIOS), a spinoff of the Division Formerly Known as GPCD
"You can tune a filesystem, but you can't tune a fish" [HP/UX tunefs(1M)]