From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 1/5 V3] cgroup: remove redundate get/put of old css_set from migrate Date: Tue, 20 Dec 2011 15:18:23 -0800 Message-ID: <20111220231823.GK10752@google.com> References: <1324422873-31001-1-git-send-email-msb@chromium.org> <1324422873-31001-2-git-send-email-msb@chromium.org> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=wqKE6hjx5TGBkaQ14t8aDdCwtS7B2KY9HDKAqEPdNgc=; b=Pt0wqYkNL1ZUNvL95gm//PxIel0KdnMENnWwweogy75de4G7VXu+PZqZp59bKW0KOV KUFs5rGA8mNrgz8zcrvZa4s+srMJUQfBmOQwcbDcAlD0mPAyWkk/Omu2zvXWly4wtjKw 9GPeAkaYaYf7aJIcN3zmJ/GGINQhOlv1FEmw0= Content-Disposition: inline In-Reply-To: <1324422873-31001-2-git-send-email-msb-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Mandeep Singh Baines Cc: Li Zefan , LKML , Frederic Weisbecker , containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, KAMEZAWA Hiroyuki , Oleg Nesterov , Andrew Morton , Paul Menage Hello, s/redundate/redundant/ in $SUBJ, right? On Tue, Dec 20, 2011 at 03:14:29PM -0800, Mandeep Singh Baines wrote: > Changes in V3: > * Fixed to put error in retval (thanks Frederic Weisbecker) > * https://lkml.org/lkml/2011/12/20/255 > Changes in V2: > * Updated commit message as per Tejun's feedback: > * https://lkml.org/lkml/2011/12/19/289 > > -- >8 -- (snip) Either put this as part of patch description or if you don't want it to be part of commit message, put it between --- and diffstat. Unfortunately, no tool understands "-- >8 --". > We can now assume that the css_set reference held by the task > will not go away for an exiting task. PF_EXITING state can be > trusted throughout migration by checking it after locking > threadgroup. > > While at it, renamed css_set_check_fetched to css_set_fetched. > !css_set_fetched() seems to read better than > !css_set_check_fetched(). I don't feel too hot about the renaming. Can you please drop it for now? > Signed-off-by: Mandeep Singh Baines > Cc: Tejun Heo > Cc: Li Zefan > Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org > Cc: cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > Cc: KAMEZAWA Hiroyuki > Cc: Frederic Weisbecker > Cc: Oleg Nesterov > Cc: Andrew Morton > Cc: Paul Menage Other than that, looks good to me. I'll commit this once Li acks it. Thanks. -- tejun