lkml.org 
[lkml]   [2013]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2 10/10] af_unix: use freezable blocking calls in read
Date
On Thursday, May 02, 2013 05:08:12 PM Tejun Heo wrote:
> On Wed, May 01, 2013 at 06:35:08PM -0700, Colin Cross wrote:
> > Avoid waking up every thread sleeping in read call on an AF_UNIX
> > socket during suspend and resume by calling a freezable blocking
> > call. Previous patches modified the freezer to avoid sending
> > wakeups to threads that are blocked in freezable blocking calls.
> >
> > This call was selected to be converted to a freezable call because
> > it doesn't hold any locks or release any resources when interrupted
> > that might be needed by another freezing task or a kernel driver
> > during suspend, and is a common site where idle userspace tasks are
> > blocked.
>
> Heh, so you are aware of the deadlock possibilities. Good selection
> of spots. For all the conversion patches.
>
> Acked-by: Tejun Heo <tj@kernel.org>

I wonder if that includes [3/10] (just to get the record straight)?

Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


\
 
 \ /
  Last update: 2013-05-04 21:41    [W:0.087 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site