[lkml]   [2010]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 0/8] Suspend block api (version 6)
On Tue, May 11, 2010 at 09:58:21AM -0700, Tony Lindgren wrote:
> * Matthew Garrett <> [100511 09:41]:
> > Yes. You still need suspend blocks.
> Maybe not if echo opportunistic > /sys/power/policy gets cleared by
> the kernel if the kernel idle loop can't make it. That means something
> has blocked the suspend attempt in a driver for example. The system
> keeps running, and the userspace can deal with the situation.

So an event arrives just as userspace does this write. How do you avoid
the race? Plausible answers mostly appear to end up looking like suspend

Matthew Garrett |

 \ /
  Last update: 2010-05-12 10:11    [W:0.248 / U:0.764 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site