[RFC][PATCH] x86_86 support of checkpoint/restart (Re: Checkpoint / Restart)

Masahiko Takahashi m-takahashi at ex.jp.nec.com
Wed Jan 28 17:45:00 PST 2009


Hi Serge,

Thank you for the comment.
I have checked the patch works on the Oren's latest patchset(v13) also.

And, ... I notice the email's subject was incorrect. Oops.
As you know, "x86_64 support" is correct.


Thanks,

Masahiko.


On 2009-01-28 at 15:59 -0600, Serge E. Hallyn wrote:
> Quoting Masahiko Takahashi (m-takahashi at ex.jp.nec.com):
> > 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



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