On Wed, May 18, 2016 at 11:06 PM, Lianwei Wang <lianwei.w...@gmail.com> wrote: > On Wed, May 18, 2016 at 1:34 PM, Rafael J. Wysocki <raf...@kernel.org> wrote: >> On Wed, May 18, 2016 at 8:07 AM, Lianwei Wang <lianwei.w...@gmail.com> 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? > > It is described in another patch, and it is a common issue. I fixed > the similar issue several times, all because that the CPU_POST_SUSPEND > notifier callback is called without call CPU_SUSPEND_PREPARE notifier > callback before. Something is DO in PM_XXX_PREPARE and UNDO in > POST_XXX. If we don't DO it in XXX_PREPARE then we don't need to UNDO > it in PM_POST_XXX. > > Here is the link for the unbalanced cpu hotplug enable case: > https://lkml.org/lkml/2016/5/6/61 . > > Thanks, > Lianwei
Did anyone from the maintainer review the patch yet?
