Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33
From: Andi Kleen <hidden>
Date: 2009-12-23 19:51:00
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"Ira W. Snyder" [off-list ref] 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@linux.intel.com -- Speaking for myself only.