lkml.org 
[lkml]   [2019]   [Jul]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH] x86/hyper-v: Zero out the VP assist page to fix CPU offlining
Date
> From: Thomas Gleixner <tglx@linutronix.de>
> Sent: Thursday, July 18, 2019 12:56 AM
> To: Dexuan Cui <decui@microsoft.com>
>
> On Thu, 18 Jul 2019, Dexuan Cui wrote:
> >
> > The concept of the "overlay page" seems weird, and frankly speaking,
> > I don't really understand why the Hyper-V guys invented it, but as far
> > as this patch here is concerned, I think the patch is safe and it can
> > indeed fix the CPU offlining issue I described.
>
> Then this needs some really good explanation and in the change log because
> that's really obscure behaviour.
>
> tglx

Agreed. I'll combine my replies into the changelog and post a v2 of
the one-line patch.

Thanks,
-- Dexuan

\
 
 \ /
  Last update: 2019-07-18 10:05    [W:0.060 / U:1.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site