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

[Andrew Morton]

Jamie Lokier <jamie@xxxxxxxxxxxxx> wrote:
>
> Nakajima, Jun wrote:
> > Oh, I thought you already closed this issue and you were discussing a
> > different thing.
> > 
> > I agree. They kernel should fix up userspace for this CPU errata.
> 
> Our question is whether kernels configured specifically for non-AMD
> (e.g. Winchip or Elan kernels) must have the AMD fixup code (it is a
> few hundred bytes), refuse to boot on AMD, ignore the problem, or work
> but not fix up userspace.

Refusing to boot would be best I think.  Fixing it up anyway would be OK
too.

Ignoring the problem in kernel and/or userspace could be viewed as a
response to pilot error but as always it would be nice if, given a choice,
we can help the pilot.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/