Re: powernv:idle: Set NAPSTATELOST after recovering paca on P9 DD1

Michael Ellerman
2017-05-17T09:34:43Z

On Fri, 2017-05-12 at 09:22:06 UTC, "Gautham R. Shenoy" wrote:
> From: "Gautham R. Shenoy" <ego@linux.vnet.ibm.com>
>
> commit 17ed4c8f81da ("powerpc/powernv: Recover correct PACA on wakeup
> from a stop on P9 DD1") promises to set the NAPSTATELOST bit in paca
> after recovering the correct paca for the thread waking up from stop1
> on DD1, so that the GPRs can be correctly restored on the stop exit
> path. However, it loads the value 1 into r3, but stores the value in
> r0 into NAPSTATELOST(r13).
>
> Fix this by correctly set the NAPSTATELOST bit in paca after
> recovering the paca on POWER9 DD1.
>
> Fixes: commit 17ed4c8f81da ("powerpc/powernv: Recover correct PACA on wakeup
> from a stop on P9 DD1")
>
> Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
> Reviewed-by: Nicholas Piggin <npiggin@gmail.com>

Applied to powerpc fixes, thanks.

https://git.kernel.org/powerpc/c/bbb075ddf7d58762040ca413ad82e9

cheers