Re: [PATCH 001 of 2] Prepare for __copy_from_user_inatomic to not zero missed bytes.

[David Howells]

NeilBrown <neilb@xxxxxxx> wrote:

> Interestingly 'frv' disables preempt in kmap_atomic, but its
> copy_from_user doesn't expect faults and never zeros the tail...

What gives you the idea that copy_from_user() on FRV doesn't expect or handle
faults when CONFIG_MMU is set?  And why do you say it never zeroes the tail?

David
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