lkml.org 
[lkml]   [2014]   [May]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] x86: Fix typo preventing msr_set/clear_bit from having an effect
Hi,

On 2014-05-09 09:54:52 +0200, Borislav Petkov wrote:
> On Fri, May 09, 2014 at 03:29:16AM +0200, Andres Freund wrote:
> > Due to a typo the msr accessor function introduced in
> > 22085a66c2fab6cf9b9393c056a3600a6b4735de didn't have any lasting
> > effects because they accidentally wrote the old value back.
> >
> > After c0a639ad0bc6b178b46996bd1f821a04643e2bde this at the very least
> > this causes cpuid limits not to be lifted on some cpus leading to
> > missing capabilities for those.
> >
> > Signed-off-by: Andres Freund <andres@anarazel.de>
> > Cc: Borislav Petkov <bp@suse.de>
> > Cc: H. Peter Anvin <hpa@linux.intel.com>
> > Cc: Ingo Molnar <mingo@redhat.com>
> > Cc: Thomas Gleixner <tglx@linutronix.de>
> > ---
> > arch/x86/lib/msr.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> Good catch, thanks, and sorry about the screwup! :-[
>
> Acked-by: Borislav Petkov <bp@suse.de>

It got caught before the release, so all is well... Actually rather
surprised it only causes relatively minor problems; i.e. still boots.

Did I CC the correct people for this to get picked up for 3.15 or to I
need to do anything else?

Greetings,

Andres Freund


\
 
 \ /
  Last update: 2014-05-09 13:21    [W:0.093 / U:1.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site