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

[Andrew Morton]

"Nakajima, Jun" <jun.nakajima@xxxxxxxxx> wrote:
>
>  > I think we should fix up userspace.
>  What do you mean by this? Patch user code at runtime (it's much more
>  complex than it sounds) or remove prefetch instructions from userspace?

Detect when user code stumbles over this CPU errata and make it look like
nothing happened.

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