linux-kernel - Re: [GIT PULL] oprofile fixes for v3.0

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Message-ID: <20110621175451.GD20052@erda.amd.com>
Date:	Tue, 21 Jun 2011 19:54:51 +0200
From:	Robert Richter <robert.richter@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"oprofile-list@...ts.sourceforge.net" 
	<oprofile-list@...ts.sourceforge.net>
Subject: Re: [GIT PULL] oprofile fixes for v3.0

On 21.06.11 09:03:08, Ingo Molnar wrote:
> 
> Robert,
> 
> * Robert Richter <robert.richter@....com> wrote:
> 
> > Ingo,
> > 
> > please pull oprofile fixes for v3.0 (tip/perf/urgent):
> > 
> >  git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile.git urgent
> > 
> > Thanks,
> > 
> > -Robert
> > 
> > 
> > The following changes since commit 2c53b436a30867eb6b47dd7bab23ba638d1fb0d2:
> > 
> >   Linux 3.0-rc3 (2011-06-13 15:29:59 -0700)
> > 
> > are available in the git repository at:
> >   git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile.git urgent
> > 
> > Robert Richter (2):
> >       oprofile, x86: Fix race in nmi handler while starting counters
> >       oprofile, x86: Fix nmi-unsafe callgraph support
> > 
> >  arch/x86/oprofile/backtrace.c |   56 ++++++++++++++++++++++++++++++++++------
> >  arch/x86/oprofile/nmi_int.c   |   14 +++++++---
> >  2 files changed, 57 insertions(+), 13 deletions(-)
> 
> Since when has NMI callgraph support been broken?

I think it never worked correct. But the patch can be backported
without conflicts/reworks only for .37 stable kernel. Do you rather
like to take it for v3.1?

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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