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

From: Peter Zijlstra
Date: Thu Sep 09 2021 - 07:19:48 EST

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?

But why add a jump label when you can make that alternative DTRT ?