From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: Re: [PATCH] checkpoint/restart of robust futex lists Date: Mon, 8 Jun 2009 11:59:51 -0500 Message-ID: <20090608165951.GA3610@us.ibm.com> References: <20090603041919.GO9285@us.ibm.com> <4A2C7972.9090404@cs.columbia.edu> <20090608140810.GB29432@us.ibm.com> <4A2D3CE3.6030400@cs.columbia.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4A2D3CE3.6030400-eQaUEPhvms7ENvBUuze7eA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Oren Laadan Cc: Containers List-Id: containers.vger.kernel.org Quoting Oren Laadan (orenl-eQaUEPhvms7ENvBUuze7eA@public.gmane.org): > > > Serge E. Hallyn wrote: > > IIUC (from Matt and Dave), after this patch, you might need something > > for PI futexes, but otherwise non-contended cases "just work" because > > there is no kernel involvement. > > That's what I thought. But I also thought that a checkpoint would > fail anyway as soon as it hits the futex-file-descriptor. Or am I > missing something ? Yes - FUTEX_FD no longer exists :) -serge