Re: [PATCH] perf: optimize clear page in Intel specified model with movq instruction

[Borislav Petkov]

On Thu, Sep 09, 2021 at 06:34:40PM +0800, Luming Yu wrote:
> do you mean jump label would not be replaced to nop when its key is enabled?
> so we could not use it in certain functions?
> I don't understand exactly what "ain't  gonna happen"

It means, you need to use an X86_FEATURE_ bit because I won't accept a
static key.

But do the benchmarks first.

-- 
Regards/Gruss,
    Boris.

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