lkml.org 
[lkml]   [2019]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/3] x86/paravirt: Make read_cr2() CALLEE_SAVE
From
Date
On 03.07.19 12:27, root wrote:
> The one paravirt read_cr2() implementation (Xen) is actually quite
> trivial and doesn't need to clobber anything other than the return
> register. By making read_cr2() CALLEE_SAVE we avoid all the PUSH/POP
> nonsense and allow more convenient use from assembly.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen

\
 
 \ /
  Last update: 2019-07-03 16:13    [W:0.091 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site