Re: [patch 61/66] timers: Convert to hotplug state machine

From: Jon Hunter
Date: Tue Jul 26 2016 - 05:23:14 EST

On 25/07/16 21:46, rcochran@xxxxxxxxxxxxx wrote:
> On Mon, Jul 25, 2016 at 05:35:43PM +0200, rcochran@xxxxxxxxxxxxx wrote:
>> I see if I can find a tegra system to test with...
> I tried the tip:smp/hotplug branch under kvm x86_64, and I didn't see
> any problems with suspend or hibernate, even with CONFIG_PREEMPT_NONE.
> I'll see if I can get my hands on a tegra system tomorrow. Until
> then, two questions:
> 1. The issue appears with suspend (echo mem > /sys/power/state), as
> opposed to hibernate, right?

Yes. I have been using rtcwake to test suspend with the following
arguments ...

# rtcwake -d rtc1 -m mem -s 3

> 2. CONFIG_PREEMPT_NONE is good, but CONFIG_PREEMPT is bad, right?

The other way around.