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

Andi Kleen
2003-10-01T08:49:40Z

On Wed, Oct 01, 2003 at 09:02:11AM +0100, Hugh Dickins wrote:
> On Wed, 1 Oct 2003, Jamie Lokier wrote:
> >
> > See recent message from me. All you need is a check "address >=
> > TASK_SIZE", which is thread already at the start of do_page_fault.
>
> What about the 4G+4G split?

Whoever runs 4G+4G split surely doesn't care about fast paths because
of the large overhead it adds everywhere ;-)

They can check it always.

-Andi