linux-kernel - Re: [PATCH v1] compiler: prevent dead store elimination

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Message-ID: <20100228211511.60981829@infradead.org>
Date:	Sun, 28 Feb 2010 21:15:11 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Roel Kluin <roel.kluin@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Mikael Pettersson <mikpe@...uu.se>, penberg@...helsinki.fi,
	Brian Gerst <brgerst@...il.com>, andi@...stfloor.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-crypto@...r.kernel.org, Herbert@...dor.apana.org.au
Subject: Re: [PATCH v1] compiler: prevent dead store elimination

On Sat, 27 Feb 2010 21:47:42 +0100
Roel Kluin <roel.kluin@...il.com> wrote:
> +void secure_bzero(void *p, size_t n)
> +{
> +	memset(p, 0, n);
> +	ARRAY_PREVENT_DSE(p, n);
> +}
> +EXPORT_SYMBOL(secure_bzero);


please don't introduce bzero again to the kernel;

make it secure_memset() please.


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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