Date: Fri, 3 Jun 2011 13:53:03 -0500
From: Scott Wood <scottwood@freescale.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
CC: Timur Tabi <timur@freescale.com>, <alan@lxorguk.ukuu.org.uk>,
        <linux-kernel@vger.kernel.org>, <akpm@linux-foundation.org>
Subject: Re: [PATCH] lib: introduce strdup_from_user
Message-ID: <20110603135303.0800e4a7@schlenkerla.am.freescale.net>
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On Fri, 3 Jun 2011 21:39:28 +0300
Alexey Dobriyan <adobriyan@gmail.com> wrote:

> On Fri, Jun 3, 2011 at 9:34 PM, Timur Tabi <timur@freescale.com> wrote:
> > Would it be better if I did this:
> 
> The point is data should cross kernelspace/userspace boundary only once.
> 

Why does it matter, as long as it doesn't hurt the kernel if userspace
plays games (i.e. take care of the NUL termination), and it's not a
performance problem?

-Scott

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