Re: MSR support for x86

Stephan Meyer (sensei@wiesel.de)
Fri, 7 Mar 1997 12:47:36 +0100 (MET)

On 5 Mar 1997, Matthias Urlichs wrote:
> In linux.dev.kernel, article <Pine.LNX.3.95.970303221036.323A-100000@wiesel.de>,
> Stephan Meyer <sensei@wiesel.de> writes:
> >
> > For the processor instructions, a full 32-bit are used to identify the
> > needed register. What if Intel places a new MSR right at the position of
> > the "special field"
> >
> So use an IOCTL, or yet another /proc file, to set the CPU you want to talk
> to.

I obviously don't have SMP and I don't know how to "set the CPU".
Could someone of the SMP experts please provide me with a routine to set
the CPU prior to read/write?

BTW, I will soon release an X application that charts to graphs of
arbitrary events from the special pentium counters.

Cheers, Stephan

> --
> I don't like spreading rumors, but what else can you do with them?
> --
> Matthias Urlichs \ noris network GmbH / Xlink-POP Nürnberg
> Schleiermacherstraße 12 \ Linux+Internet / EMail: urlichs@noris.de
> 90491 Nürnberg (Germany) \ Consulting+Programming+Networking+etc'ing
> PGP: 1024/4F578875 1B 89 E2 1C 43 EA 80 44 15 D2 29 CF C6 C7 E0 DE
> Click <A HREF="http://info.noris.de/~smurf/finger">here</A>. 42
>
>

-----------------------------------------------
Stephan Meyer
+49-89-4301114
Stephan.Meyer@munich.netsurf.de
http://fatman.mathematik.tu-muenchen.de/~meyer/
-----------------------------------------------