linux-kernel - Re: [BUG/PATCH] kernel RNG and its secrets

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Message-ID: <20150410200904.GB16910@zoho.com>
Date:	Fri, 10 Apr 2015 20:09:04 +0000
From:	mancha security <mancha1@...o.com>
To:	Stephan Mueller <smueller@...onox.de>
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Daniel Borkmann <daniel@...earbox.net>, tytso@....edu,
	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	herbert@...dor.apana.org.au, dborkman@...hat.com
Subject: Re: [BUG/PATCH] kernel RNG and its secrets

On Fri, Apr 10, 2015 at 04:33:17PM +0200, Stephan Mueller wrote:
> Am Freitag, 10. April 2015, 14:22:08 schrieb mancha security:
> 
> Hi mancha,
> 
> >__asm__ __volatile__("": :"r"(p) :"memory")
> 
> gcc -O2/3: mov present
> 
> clang -O2/3: mov present
> 
> ==> approach would be good too.
> 
> Note, the assembly code does not seem to change whether to use this approach 
> or the one I initially tested.
> 
> 
> Ciao
> Stephan

Hi Stephan.

Many thanks for confirmation.

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