Re: [PATCH] Mutilated form of Andi Kleen's AMD prefetch errata patch

[Andi Kleen]

Jamie Lokier <jamie@xxxxxxxxxxxxx> writes:

> 
> Btw, does anyone know if the "prefetchw" instruction is affected by
> the erratum?  I see that in current 2.6, only the "prefetchnta"
> instruction is disabled so presumably "prefetchw" is ok?

All prefetch instructions on Athlon/Opteron including prefetchw have the 
problem. prefetchw requires a store instead of a load to hit it though.

-Andi
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