Re: Bugs aren't features: X86_FEATURE_FXSAVE_LEAK

[Robert Hancock]

Christer Weinigel wrote:
> Andi Kleen <ak@xxxxxxx> writes:
>
> > "H. Peter Anvin" <hpa@xxxxxxxxx> 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.
>
> I have a dual CPU system (Tyan Tomcat 1564D) where only one CPU is
> reported to have the F00F bug (iirc).  So yes, there can be
> SMP-systems where the CPU's have different bugs.

Point being, not this bug..

--
Robert Hancock      Saskatoon, SK, Canada
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Home Page: http://www.roberthancock.com/

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