Re: [PATCH] x86: Optimize tail handling for copy_user

[Vitaly Mayatskikh]

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:

>> Yes, I see. I was messed, sorry. Your BYTES_LEFT_IN_PAGE works very
>> well, tested.
>> 
>> Signed-off-by: Vitaly Mayatskikh <v.mayatskih@xxxxxxxxx>
>
> 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
--
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/