lkml.org 
[lkml]   [2010]   [Aug]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Attempted summary of suspend-blockers LKML thread
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


\
 
 \ /
  Last update: 2010-08-05 01:57    [W:1.183 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site