Re: Attempted summary of suspend-blockers LKML thread

david
2010-08-04T23:53:37Z

On Thu, 5 Aug 2010, Rafael J. Wysocki wrote:

> On Thursday, August 05, 2010, david@lang.hm wrote:
>>
>> My proposal would never freeze a subset of processes.
>>
>> what my proposal:
>>
>> only consider the activity of a subset of processes when deciding if we
>> should suspend or not. If the decision is to suspend, freeze everything.
>
> That alone doesn't allow you to handle the race Matthew was referring to
> (ie. wakeup event happening right after you've decided to suspend).
>
> A mechanism of making a decision alone is not sufficient, you also need a
> mechanism to avoid races between wakeup events and suspend process.
>

I thought you just posted that there was a new feature that would be able
to abort the suspend and so that race was closed.

David Lang