Re: cacheble to uncachble change

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2004-04-28 07:48:38
>>>>> On Tue, 27 Apr 2004 16:31:57 -0500, Jack Steiner <steiner@sgi.com> said:

  Jack> Maybe I was not clear. I *know* that memory attribute aliasing
  Jack> is a bad thing to do. I was commenting on Robin's mail and
  Jack> providing a real-life example on where/how it causes
  Jack> problems. Prefetching is a perfectly valid thing for the cpu
  Jack> to do. Any time there is a valid TLB entry, prefetching can &
  Jack> will happen. DONT allow a TLB entry to cover both cached &
  Jack> uncached pages.

Sounds like we're in violent agreement! ;-)

	--david
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Received on Tue Apr 27 17:54:40 2004

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