From: Alexey Dobriyan Subject: Re: [PATCH v1] compiler: prevent dead store elimination Date: Mon, 1 Mar 2010 11:33:40 +0200 Message-ID: References: <4B8984EE.8090605@gmail.com> <20100228211511.60981829@infradead.org> <19339.35216.412591.13392@pilspetsen.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Arjan van de Ven , Roel Kluin , "David S. Miller" , penberg@cs.helsinki.fi, Brian Gerst , andi@firstfloor.org, Andrew Morton , LKML , linux-crypto@vger.kernel.org, Herbert@gondor.apana.org.au To: Mikael Pettersson Return-path: Received: from mail-iw0-f182.google.com ([209.85.223.182]:48636 "EHLO mail-iw0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750854Ab0CAJdl convert rfc822-to-8bit (ORCPT ); Mon, 1 Mar 2010 04:33:41 -0500 In-Reply-To: <19339.35216.412591.13392@pilspetsen.it.uu.se> Sender: linux-crypto-owner@vger.kernel.org List-ID: On Mon, Mar 1, 2010 at 11:32 AM, Mikael Pettersson wro= te: > Arjan van de Ven writes: > =A0> On Sat, 27 Feb 2010 21:47:42 +0100 > =A0> Roel Kluin wrote: > =A0> > +void secure_bzero(void *p, size_t n) > =A0> > +{ > =A0> > + =A0memset(p, 0, n); > =A0> > + =A0ARRAY_PREVENT_DSE(p, n); > =A0> > +} > =A0> > +EXPORT_SYMBOL(secure_bzero); > =A0> > =A0> > =A0> please don't introduce bzero again to the kernel; > =A0> > =A0> make it secure_memset() please. What's so secure in this function? :^) -- To unsubscribe from this list: send the line "unsubscribe linux-crypto"= in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html