Re: [patch V2 32/52] x86/fpu/xstate: Sanitize handling of independent features
From: Thomas Gleixner
Date: Thu Jun 17 2021 - 03:15:47 EST
On Wed, Jun 16 2021 at 16:04, Kan Liang wrote:
> On 6/14/2021 11:44 AM, Thomas Gleixner wrote:
>> intel_pmu_store_lbr(cpuc, xsave->lbr.entries);
> I tested the LBR Xsave feature on a Alder Lake machine. It looks good.
> However, when I did other CPU hotplug test, it gave me an Oops.
Sigh. Yes. I know where this comes from. Brilliant crap that.