linux-kernel - Re: strict copy_from

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Message-ID: <20100105053606.22226880@infradead.org>
Date:	Tue, 5 Jan 2010 05:36:06 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Heiko Carstens <heiko.carstens@...ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	David Miller <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: strict copy_from_user checks issues?

On Tue, 5 Jan 2010 05:34:43 -0800
Arjan van de Ven <arjan@...radead.org> wrote:
> 
> this one is ... interesting btw... I have trouble myself finding where
> the check is done... so I can understand gcc having trouble too.

hmm I guess that's just because it's 5:30am here .. at 5:35am I do see
it.

Wonder if on x86 the function gets inlined, at which point gcc sees the
check, while on s390 it doesn't ?

-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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