Re: [discuss] Re: [Perfctr-devel] Re: Enabling RDPMC in user space by default

Andi Kleen
2005-11-29T23:18:49Z

> It need not necessarily remain configurable to be in PMC 0 however.
> Nor do the the PMC MSRs have to remain fixed..

If all fails the kernel can always trap and emulate it. But I hope this will
never be needed.

-Andi