* Dave Hansen <d...@sr71.net> wrote:
>
> From: Dave Hansen <dave.han...@linux.intel.com>
>
> This fixes a bug present in 3.10 and introduced here:
>
> commit 2ab00456ea8a0d79acb1390659b98416111880b2
> Author: Dave Hansen <dave.han...@linux.intel.com>
> Date: Fri Jun 21 08:51:35 2013 -0700
>
> x86: Warn when NMI handlers take large amounts of time
>
> I completely botched understanding the calling conventions of
> do_div(). I assumed that do_div() returned the result instead
> of realizing that it modifies its argument and returns a
> remainder. The side-effect from this would be bogus numbers
> for the "msecs" value in the warning messages:
>
> INFO: NMI handler (perf_event_nmi_handler) took too long to run: 0.114
> msecs
>
> Note, there was a second fix posted by Stephane Eranian for
> a separate patch which I also botched:
>
> http://lkml.kernel.org/r/20130704223010.GA30625@quad
>
> Both of these fixes need to get pulled in to Linus's tree and
> the 3.10 stable tree.
This is a brand new v3.11 commit.
It should not be included in any -stable tree, is it?
Thanks,
Ingo
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