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Date: Sat, 20 Apr 2002 15:43:17 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Andrea Arcangeli <andrea@suse.de>
CC: Andi Kleen <ak@suse.de>, Linus Torvalds <torvalds@transmeta.com>,
        Brian Gerst <bgerst@didntduck.org>, linux-kernel@vger.kernel.org,
        jh@suse.cz
Subject: Re: [PATCH] Re: SSE related security hole
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Andrea Arcangeli wrote:
> 
> As said in an earlier email it is a matter of memory bandwith, 59 bytes
> of icache and zero data, against 7 bytes of icache and 512bytes of data.
> the 512bytes of data are visibly slower, period. Saving mem bandwith is
> much more important than reducing the number of instructions, even more
> on SMP!
> 

It's not 512 bytes of data -- only the part that's actually used is 
accessed.

	-hpa

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