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SubjectRe: [PATCH] x86: Optimize tail handling for copy_user
Date
Linus Torvalds <torvalds@linux-foundation.org> writes:

>> Yes, I see. I was messed, sorry. Your BYTES_LEFT_IN_PAGE works very
>> well, tested.
>>
>> Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
>
> Ok, this latest version _looks_ ok. How well tested is it? I'm a bit
> nervous by now. Those earlier versions that got committed had all those
> wrone registers etc.
>
> Anyway, Ack as far as I'm concerned, but..

Well, I have sanity test for it (at http://people.redhat.com/vmayatsk/copy_user_x8664/),
but unfortunately it shows what I want to see, not the truth. I'm going
to make a large regression testing next week.

--
wbr, Vitaly


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