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

Andrew Morton
2003-10-01T02:06:19Z

"Nakajima, Jun" <jun.nakajima@intel.com> 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.