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

[H. Peter Anvin]

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.

	-hpa

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

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