lkml.org 
[lkml]   [2007]   [Jun]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -mm] PM: Prevent frozen user mode helpers from failing the freezing of tasks (rev. 2)
Hi!

> [I hope the ACKs still apply.]

Uhuh, not 100% sure.

> +static int usermodehelper_disabled;
> +


...

> case PM_HIBERNATION_PREPARE:
> case PM_SUSPEND_PREPARE:
> usermodehelper_disabled = 1;
> - return NOTIFY_OK;
> + smp_mb();

usermodehelper_disabled should be atomic variable, too, so we don't
have to play these ugly tricks by hand? This should not be
performance-critical, right?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-25 23:59    [W:0.094 / U:1.536 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site