Date: Fri, 3 Jun 2011 22:58:58 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Timur Tabi <timur@freescale.com>, linux-kernel@vger.kernel.org,
        scottwood@freescale.com, akpm@linux-foundation.org
Subject: Re: [PATCH] lib: introduce strdup_from_user
Message-ID: <20110603225858.53e796ca@lxorguk.ukuu.org.uk>
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On Fri, 3 Jun 2011 20:45:10 +0300
Alexey Dobriyan <adobriyan@gmail.com> wrote:

> NAK
> It accesses userspace data twice.

Big deal, processors have caches.

Just needs the zero termination to be reliable.

Alan
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