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

Ingo Molnar mingo at kernel.org
Wed Apr 13 17:43:19 AEST 2016


* 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.

Thanks,

	Ingo


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