Re: [tip:perfcounters/core] perf_counter: x86: Fix call-chain supportto use NMI-safe methods

From: H. Peter Anvin
Date: Tue Jun 16 2009 - 14:36:23 EST

Ingo Molnar wrote:
> The ideal solution would be for the CPU to atomically push the cr2
> value to the #PF hardware stack, alongside the error code it already
> pushes there.

That's not going to happen any time soon, obviously.


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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