On Wed, Mar 08, 2017 at 10:19:19PM +1000, Nicholas Piggin wrote:
> Hi Gautham,
>
> I'm just getting back to this. Sorry for the late reply, and
> thanks for the reviews.
No problems.
>
[..snip..]
> > > +#ifdef CONFIG_PPC_P7_NAP
> > > +EXC_COMMON_BEGIN(machine_check_idle_common)
> > > + bl
Hi Gautham,
I'm just getting back to this. Sorry for the late reply, and
thanks for the reviews.
On Tue, 28 Feb 2017 22:45:46 +0530
Gautham R Shenoy wrote:
> Hi Nick,
>
> On Fri, Feb 17, 2017 at 12:09 AM, Nicholas Piggin wrote:
> > The ISA specifies power save wakeup can cause a machine check
Hi Nick,
On Fri, Feb 17, 2017 at 12:09 AM, Nicholas Piggin wrote:
> The ISA specifies power save wakeup can cause a machine check interrupt.
> The machine check handler currently has code to handle that for POWER8,
> but POWER9 crashes when trying to execute the P8 style sleep
> instructions.
>
>
The ISA specifies power save wakeup can cause a machine check interrupt.
The machine check handler currently has code to handle that for POWER8,
but POWER9 crashes when trying to execute the P8 style sleep
instructions.
So queue up the machine check, then call into the idle code to wake up
as the
