From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Hansen Subject: Re: [RFC][PATCH] x86_86 support of checkpoint/restart (Re: Checkpoint / Restart) Date: Mon, 09 Feb 2009 10:06:04 -0800 Message-ID: <1234202764.20090.206.camel@nimitz> References: <20090207001609.8168.14884.stgit@lahore.corp.google.com> <1234202558.20090.201.camel@nimitz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1234202558.20090.201.camel@nimitz> 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: Nauman Rafique Cc: Ralph-Gordon.Paul-4bfl1RV3iZDOEhgYWvzSCYQuADTiUCJX@public.gmane.org, containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, haveblue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org List-Id: containers.vger.kernel.org On Mon, 2009-02-09 at 10:02 -0800, Dave Hansen wrote: > Signal handling and ptrace single stepping are two places I would > imagine we have to enter the kernel and preserve those registers. Is > that why you were suggesting overloading signal delivery? There is also, of course, good old interrupt handling. Even if the process is running and not making any system calls is timeslice has to expire sometime. -- Dave