Re: [RFC PATCH 23/23] x86/process: Reset hardware history in context switch
From: Ricardo Neri
Date: Sun Oct 02 2022 - 17:56:14 EST
On Tue, Sep 27, 2022 at 02:53:29PM +0200, Peter Zijlstra wrote:
> On Fri, Sep 09, 2022 at 04:12:05PM -0700, Ricardo Neri wrote:
> > Reset the classification history of the current task when switching to
> > the next task. Hardware will start anew the classification of the next
> > running task.
> Please quantify the cost of this HRESET instruction.
Sure Peter. I will.
Thanks and BR,