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SubjectRe: [PATCH v6 08/10] x86, mpx: add prctl commands PR_MPX_REGISTER, PR_MPX_UNREGISTER
On 06/23/2014 05:01 PM, Andy Lutomirski wrote:
> I suspect that the existence of the get operation matters more. What
> if the checkpointed process has the cached copy out of sync with the
> register copy? More realistically, what if the checkpointed process
> doesn't want to use kernel MPX assistance at all? CRIU won't be able
> to detect this with the current proposed interface.

That's fair criticism.

Pavel, do you have any concrete suggestions on what kind of interface
would be nice for checkpoint/restart? Or is this something you will
just tackle down the road some other way?


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