lkml.org 
[lkml]   [2011]   [Apr]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86: Clean up mwait_play_dead
On Wed, Apr 13, 2011 at 09:52:40AM -0700, H. Peter Anvin wrote:
> On 04/13/2011 09:11 AM, Frank Arnold wrote:
> > From: Frank Arnold <frank.arnold@amd.com>
> >
> > Commit 93789b32dbf355e70f18b17a82e8661677a7f7fb introduced
> > cpuinfo_x86 *c for brevity. It is used to check for the
> > mwait feature flag. The same can be done with a subsequent
> > check for clflsh and save us a second per-cpu pointer
> > dereference.
> >
> > Signed-off-by: Frank Arnold <frank.arnold@amd.com>
> > Acked-by: Borislav Petkov <borislav.petkov@amd.com>
> > ---
> > arch/x86/kernel/smpboot.c | 2 +-
> > 1 files changed, 1 insertions(+), 1 deletions(-)
> >
>
> This should be using this_cpu_has()... if that's not in the tree yet we
> should add it.

Looks like it is still in tip/x86/mm.

We could either redo the patch properly when this_cpu_has() is merged or
add the change against that branch.

--
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632


\
 
 \ /
  Last update: 2011-04-13 19:39    [W:0.046 / U:71.696 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site