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To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Bugs aren't features: X86_FEATURE_FXSAVE_LEAK
References: <445B7EF0.6090708@zytor.com>
From: Andi Kleen <ak@suse.de>
Date: 05 May 2006 20:11:22 +0200
In-Reply-To: <445B7EF0.6090708@zytor.com>
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"H. Peter Anvin" <hpa@zytor.com> writes:

> The recent fix for the AMD FXSAVE information leak had a problematic
> side effect.  It introduced an entry in the x86 features vector which
> is a bug, not a feature.

It's a non issue because it affects all AMD CPUs (except K5/K6).
You'll never find a system where only some CPUs have this problem.

-Andi