Re: [PATCH 00/21] RFC: userfaultfd v3

[Pavel Emelyanov]

> All UFFDIO_COPY/ZEROPAGE/REMAP methods already support CRIU postcopy
> live migration and the UFFD can be passed to a manager process through
> unix domain sockets to satisfy point 5).

Yup :) That's the best (from my POV) point of ufd -- the ability to delegate
the descriptor to some other task. Though there are several limitations (I've
expressed them in other e-mails), I'm definitely supporting this!

The respective CRIU code is quite sloppy yet, I will try to brush one up and
show soon.

Thanks,
Pavel

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