Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33

Andi Kleen
2009-12-23T19:50:53Z

"Ira W. Snyder" <iws@ovro.caltech.edu> 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.