From: Vitaly Mayatskikh <v.mayatskih@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Vitaly Mayatskikh <v.mayatskih@gmail.com>,
linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] x86: Optimize tail handling for copy_user
Date: Sat, 02 Aug 2008 00:04:48 +0200 [thread overview]
Message-ID: <m3wsj0l7cv.fsf@gravicappa.englab.brq.redhat.com> (raw)
In-Reply-To: <alpine.LFD.1.10.0808011308470.3277@nehalem.linux-foundation.org> (Linus Torvalds's message of "Fri, 1 Aug 2008 13:10:25 -0700 (PDT)")
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
next prev parent reply other threads:[~2008-08-01 22:04 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-28 14:10 Vitaly Mayatskikh
2008-07-28 15:48 ` Linus Torvalds
2008-07-29 15:24 ` Vitaly Mayatskikh
2008-07-30 12:02 ` Vitaly Mayatskikh
2008-07-30 17:29 ` Linus Torvalds
2008-07-31 14:27 ` Vitaly Mayatskikh
2008-08-01 20:10 ` Linus Torvalds
2008-08-01 22:04 ` Vitaly Mayatskikh [this message]
2008-08-01 22:30 ` Linus Torvalds
2008-08-01 22:53 ` Vitaly Mayatskikh
2008-07-30 12:07 ` Vitaly Mayatskikh
2008-07-30 12:13 ` Vitaly Mayatskikh
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