lkml.org 
[lkml]   [2019]   [Feb]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [GIT PULL] x86/mm changes for v4.21
On Wed, Feb 06, 2019 at 04:33:54PM -0800, Dave Hansen wrote:

> I wonder if the patches that you bisected to just changed the flushing
> from being CR3-based (and not taking an address) to being INVPCID-based,
> and taking an address that is sensitive to canonicality.

That is indeed one of the things that patch series does; before this it
would always flush world for ARRAY interfaces.

I'll have a look at the code; I seem to remember there being test for
canonical addresses, maybe they're not in the right place.

\
 
 \ /
  Last update: 2019-02-07 10:51    [W:0.094 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site