Re: [PATCH] x86/entry/64: Disallow RDPID in paranoid entry if KVM is enabled

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On Fri, Aug 21, 2020 at 09:24:14AM +0200, peterz@xxxxxxxxxxxxx wrote:
> With distro configs that's going to be a guaranteed no_rdpid. Also with
> a grand total of 0 performance numbers that RDPID is even worth it, I'd
> suggest to just unconditionally remove that thing. Simpler code
> all-around.

I was just about to say the same thing - all this dancing around just to
keep RDPID better be backed by numbers, otherwise just remove the damn
thing in that path and use LSL and be done with it.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



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