From: Arnd Bergmann <arnd@arndb.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: strict copy_from_user checks issues?
Date: Sat, 9 Jan 2010 09:01:36 +0100
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Cc: Arjan van de Ven <arjan@infradead.org>,
       Heiko Carstens <heiko.carstens@de.ibm.com>, Ingo Molnar <mingo@elte.hu>,
       David Miller <davem@davemloft.net>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
References: <20100104154345.GA5671@osiris.boeblingen.de.ibm.com> <201001090107.43402.arnd@arndb.de> <4B47C984.1080903@zytor.com>
In-Reply-To: <4B47C984.1080903@zytor.com>
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On Saturday 09 January 2010, H. Peter Anvin wrote:
> >       return put_user(data, uptr);
> > 
> > The latter form requires a macro instead of a function for the user copy,
> > but we now have that anyway because of the size check.
> > 
> 
> Well... we already have the latter form?

Right, but my suggestion was to extend that do data structures in
addition to the scalars we are supporting now.

	Arnd
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