From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: Re: [RFC][PATCH] x86_86 support of checkpoint/restart (Re: Checkpoint / Restart) Date: Wed, 28 Jan 2009 15:59:02 -0600 Message-ID: <20090128215902.GA5635@us.ibm.com> References: <20090127155947.GB10039@us.ibm.com> <090128111035.M0106630@noir.ex.jp.nec.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <090128111035.M0106630-n+Fz6uxiQ6t02ytvwG4l7tBPR1lH4CV8@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: Masahiko Takahashi Cc: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, haveblue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org, Ralph-Gordon.Paul-4bfl1RV3iZDOEhgYWvzSCYQuADTiUCJX@public.gmane.org List-Id: containers.vger.kernel.org Quoting Masahiko Takahashi (m-takahashi-kvZsz0w9TrB8UrSeD/g0lQ@public.gmane.org): > Hi, > > I'm now working on porting to x86_64 with help from Nauman Rafique. > Here is the preliminary patch. If there is someone who is interested > in x86_64 support, please join. Cool. Looks nice and minimal. Thanks for doing this. > This patch is to support x86_64 on Oren's checkpoint/restart patchset > (v12 on December 29th). His patchset is well implemented, so the x86_64 > patch is only handling architecture specific registers. (Maybe I'm > missing something important...) > > I've tested this patch with his test suite (self.c and rstr.c) but I'm > not confident especially in handling segment registers (%fs/%gs). > > This patch doesn't support external checkpointing, nor 32bit binary Heh, and I just realized that my s390 port doesn't do self-checkpoint, I'd only been doing external. Oops. > checkpoint/restart on 64bit Linux. > > I would appreciate any comments and feedback. -serge