Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH v2 10/10] af_unix: use freezable blocking calls in read | Date | Sat, 04 May 2013 21:19:49 +0200 |
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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.
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