Re: [PATCH 2/2] Perform check in iov_iter_fault_in_readable() by check_readable_bytes()

[Andi Kleen]

> It would be quite nice if it were safe to call read(), get EFAULT

Even with that patch it is not safe, not even for write, because
it's racy.

-Andi
-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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