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Re: divide error: 0000 [#1] SMP in task_numa_migrate - handle_mm_fault vanilla 4.4.6

From Peter Zijlstra <peterz@infradead.org>
Newsgroups linux.kernel
Subject Re: divide error: 0000 [#1] SMP in task_numa_migrate - handle_mm_fault vanilla 4.4.6
Date 2016-07-07 09:50 +0200
Message-ID <rScem-3Vx-31@gated-at.bofh.it> (permalink)
References (5 earlier) <rzGmC-Pt-9@gated-at.bofh.it> <rzJue-2JE-7@gated-at.bofh.it> <rMF9n-57L-21@gated-at.bofh.it> <rMKC5-lD-17@gated-at.bofh.it> <rS4qt-7jH-1@gated-at.bofh.it>
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On Thu, Jul 07, 2016 at 11:20:36AM +1200, Campbell Steven wrote:

> > commit 8974189222159154c55f24ddad33e3613960521a
> > Author: Peter Zijlstra <peterz@infradead.org>
> > Date:   Thu Jun 16 10:50:40 2016 +0200

> Since these early reports from Stefan and I it looks like it's been
> hit but alot more folks now so I'd like to ask what the process is for
> getting this backported into 4.6, 4.5 and 4.4 as in our testing all
> those versions for their latest point release seem to have the same
> problem.

I think this should do; Greg is on Cc and will mark the commit
somewhere. It is already in Linus' tree and should indeed be sufficient.

It has a Fixes tag referring the commit that introduced it, which IIRC
is somewhere around v4.2.

Greg, anything else required?

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Thread

Re: divide error: 0000 [#1] SMP in task_numa_migrate -  handle_mm_fault vanilla 4.4.6 Campbell Steven <casteven@gmail.com> - 2016-07-07 01:30 +0200
  Re: divide error: 0000 [#1] SMP in task_numa_migrate -  handle_mm_fault vanilla 4.4.6 Peter Zijlstra <peterz@infradead.org> - 2016-07-07 09:50 +0200
    Re: divide error: 0000 [#1] SMP in task_numa_migrate -  handle_mm_fault vanilla 4.4.6 Greg KH <greg@kroah.com> - 2016-07-09 07:30 +0200

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