Re: [PATCH v6 08/10] x86, mpx: add prctl commands PR_MPX_REGISTER, PR_MPX_UNREGISTER

[Dave Hansen]

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?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/