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

Robert Richter
2011-06-21T17:55:02Z

On 21.06.11 09:03:08, Ingo Molnar wrote:
>
> Robert,
>
> * Robert Richter <robert.richter@amd.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