lkml.org 
[lkml]   [2018]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH v2 08/27] mm: Introduce VM_SHSTK for shadow stack memory
From
Date
On Wed, 2018-07-11 at 10:34 +0200, Peter Zijlstra wrote:
> On Tue, Jul 10, 2018 at 03:26:20PM -0700, Yu-cheng Yu wrote:
> >
> > VM_SHSTK indicates a shadow stack memory area.
> >
> > A shadow stack PTE must be read-only and dirty.  For non shadow
> > stack, we use a spare bit of the 64-bit PTE for dirty.  The PTE
> > changes are in the next patch.
> This doesn't make any sense.. the $subject and the patch seem
> completely
> unrelated to this Changelog.

I was trying to say why this is only defined for 64-bit.  I will fix
it.

Yu-cheng
\
 
 \ /
  Last update: 2018-07-15 22:05    [W:0.080 / U:8.208 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site