Re: MTRR control

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sat, 13 Dec 1997 14:56:25 +0000 (GMT)

> Another problem with proform-1.0 is that it states that it doesn't
> work with SMP. Why is this so? Is it simply because the MTRRs of the
> CPU which happened to run insmod are modified, but not those of the

Yep

> other CPU(s)? In that case all that is needed is some mechanism to run
> this bit of code for all CPUs.

Thats all there is too it. The x86 SMP code has some message passing it
uses for sending certain inter CPU events, adding a "sync mtrr" message
should do the trick.

Alan