lkml.org 
[lkml]   [2005]   [Jun]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] Fix SMP brokenness for PF_FREEZE and make freezing usable for other purposes
Hi!

> >Should be very easy to solve with one semaphore. Simply make swsusp
> >wait until all migrations are done.
>
> This may not be needed. If I understand things correctly, the system
> won't suspsend until all tasks have returned from system calls and end
> up in the refrigerator. So if a memory migration is running when
> someone tries to suspend the system, the suspend won't
> occur until the memory migration system call returns.
>
> Is that correct?

No, because now migration tries to using same freezer
mechanism. Oops. Semaphore solves it nicely....

Pavel
--
Boycott Kodak -- for their patent abuse against Java.
-
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: 2005-06-27 20:09    [W:0.062 / U:1.612 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site