Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33
From: Andi Kleen
Date: Wed Dec 23 2009 - 14:51:07 EST
"Ira W. Snyder" <iws@xxxxxxxxxxxxxxxx> writes:
> (You'll quickly find that you must use DMA to transfer data across PCI.
> AFAIK, CPU's cannot do burst accesses to the PCI bus. I get a 10+ times
AFAIK that's what write-combining on x86 does. DMA has other
advantages of course.
-Andi
--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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