Re: [PATCH v1] PM / sleep: make pm notifier called symmetrically

[Rafael J. Wysocki]

On Wed, May 18, 2016 at 8:07 AM, Lianwei Wang <lianwei.wang@xxxxxxxxx> wrote:
> This makes pm notifier PREPARE/POST symmetrical: if PREPARE
> fails, we will only undo what ever happened on PREPARE.
>
> It fixes the unbalanced cpu hotplug enable in cpu pm notifier.

Can you please describe the problem you're trying to address in a bit
more detail?