Re: [patch V3 25/30] x86/microcode: Rendezvous and load in NMI

From: Thomas Gleixner
Date: Thu Sep 28 2023 - 05:33:16 EST


On Wed, Sep 27 2023 at 19:17, Borislav Petkov wrote:
> On Tue, Sep 12, 2023 at 09:58:23AM +0200, Thomas Gleixner wrote:
>>
>> - /* No point to wait here. The CPUs will all wait in stop_machine(). */
>> + touch_nmi_watchdog();
>
> AFAICT, you're touching the NMI watchdog even in the !use_nmi case.

Yes, we need that also for the non-NMI case because this runs in
stop-machine.