Messages in this thread | | | Subject | Re: [PATCH 1/10] Cr4 is valid on some 486s | From | Alan Cox <> | Date | Sun, 13 Nov 2005 19:41:42 +0000 |
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On Sul, 2005-11-13 at 20:00 +0100, Andi Kleen wrote: > It's a bad hack anyways. Better would be probably to use a uncached WC write. > I would rather use that.
I'm not clear that anything but lock operations have the required guarantee of atomicity relative to bus masters which are not processors. Especially so on intel.
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