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

[Michael Ellerman]

On Wed, 2016-04-13 at 09:43 +0200, Ingo Molnar wrote:
> * Srikar Dronamraju <srikar at linux.vnet.ibm.com> wrote:
> 
> > * Anton Blanchard <anton at samba.org> [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 at samba.org>
> > 
> > Works for me too.
> > 
> > Reported-and-Tested-by: Srikar Dronamraju <srikar at linux.vnet.ibm.com>
> 
> 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.

cheers