Re: [PATCH] sched/cpuacct: Check for NULL when using task_pt_regs()

From: Ingo Molnar
Date: Wed Apr 13 2016 - 07:21:31 EST



* Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote:

> On Wed, 2016-04-13 at 09:43 +0200, Ingo Molnar wrote:
> > * Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx> wrote:
> >
> > > * Anton Blanchard <anton@xxxxxxxxx> [2016-04-06 21:59:50]:
> > >
> > > > Looks good, and the patch below does fix the oops for me.
> > > >
> > > > Anton
> > > > --
> > > >
> > > > task_pt_regs() can return NULL for kernel threads, so add a check.
> > > > This fixes an oops at boot on ppc64.
> > > >
> > > > Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
> > >
> > > Works for me too.
> > >
> > > Reported-and-Tested-by: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
> >
> > Could someone please re-send the fix, because it has not reached me nor lkml.
>
> It did hit LKML:
>
> http://lkml.kernel.org/r/20160406215950.04bc3f0b@kryten
>
> But that did have some verbiage at the top.
>
> Anton's also resent it directly To you.

So it was in my Spam folder, due to the following SPF softfail:

Received-SPF: softfail (google.com: domain of transitioning anton@xxxxxxxxx does not designate 198.145.29.136 as permitted sender) client-ip=198.145.29.136;

have the patch now.

Thanks,

Ingo