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[Xen-devel] Re: mthca use of dma_sync_single is bogus
| To: | Lukas Hejtmanek <xhejtman@xxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: mthca use of dma_sync_single is bogus |
| From: | Roland Dreier <rdreier@xxxxxxxxx> |
| Date: | Tue, 10 Jul 2007 11:06:29 -0700 |
| Authentication-results: | sj-dkim-2; header.From=rdreier@xxxxxxxxx; dkim=pass ( sig from cisco.com/sjdkim2002 verified; ); |
| Cc: | Keir Fraser <keir@xxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Michael S. Tsirkin" <mst@xxxxxxxxxxxxxxxxxx>, general@xxxxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 17 Jul 2007 05:01:00 -0700 |
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| In-reply-to: | <20070710141409.GH3885@xxxxxxxxxxx> (Lukas Hejtmanek's message of "Tue, 10 Jul 2007 16:14:09 +0200") |
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> And what about the attached patch to mthca_memfree? It changes alloc_pages > for > pci_alloc_consistent. Using it, I can enable FMR and the driver runs fine. As Michael said, this uses a lot of consistent memory. Probably too much on some systems. - R. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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