Messages in this thread | | | Subject | RE: [PATCH] I/OAT: Add support for version 2 of ioatdma device | Date | Tue, 23 Oct 2007 18:18:54 -0700 | From | "Nelson, Shannon" <> |
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>From: Andrew Morton [mailto:akpm@linux-foundation.org] >On Fri, 19 Oct 2007 00:20:25 -0700 >Shannon Nelson <shannon.nelson@intel.com> wrote: > >> Add support for version 2 of the ioatdma device. This device handles >> the descriptor chain and DCA services slightly differently: >> - Instead of moving the dma descriptors between a busy and >an idle chain, >> this new version uses a single circular chain so that we >don't have >> rewrite the next_descriptor pointers as we add new >requests, and the >> device doesn't need to re-read the last descriptor. >> - The new device has the DCA tags defined internally >instead of needing >> them defined statically. >>
Andrew,
Thank you for your time and the review comments. I'll attend to the details and repost.
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