lkml.org 
[lkml]   [2017]   [Aug]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [tip:x86/platform] x86/hyper-v: Use hypercall for remote TLB flush
On Fri, Aug 11, 2017 at 02:46:41PM +0200, Juergen Gross wrote:
> Aah, okay. Now I understand the problem. The TLB isn't the issue but the
> IPI is serving two purposes here: TLB flushing (which is allowed to
> happen at any time) and serialization regarding access to critical pages
> (which seems to be broken in the Xen case as you suggest).

Indeed, and now hyper-v as well.

\
 
 \ /
  Last update: 2017-08-11 14:56    [W:0.041 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site