Re: Athlon/AGP issue update

Momchil Velikov
2002-01-23T12:40:53Z

>>>>> "David" == David S Miller <davem@redhat.com> writes:

David> From: Momchil Velikov <velco@fadata.bg>
David> Date: 23 Jan 2002 14:32:57 +0200

David> Erm, why would the granularity of mapping matter at all ?

David> Because on a TLB miss the speculative store would be cancelled.
David> With 4MB pages the TLB can hit, with 4K pages it cannot.

Yes. But there _is_ some instruction writing into the AGP memory, and
this instruction will still write there no matter what are mappings,
and it can still get speculatively executed and so on, leading to the
same result, no ?