Messages in this thread | | | Date | Mon, 12 Nov 2007 12:50:01 +0200 | From | Muli Ben-Yehuda <> | Subject | Re: [kvm-devel] [PATCH 3/8] KVM: PVDMA Guest: Guest-side routines for paravirtualized DMA |
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On Wed, Nov 07, 2007 at 04:21:04PM +0200, Amit Shah wrote:
> We make the dma_mapping_ops structure to point to our structure so > that every DMA access goes through us. (This is the reason this only > works for 64-bit guest. 32-bit guest doesn't yet have a dma_ops > struct.)
I need the same facility for Calgary for falling back to swiotlb if a translation is disabled on some slot, and IB needs the same facility for some IB adapters (e.g., ipath). Perhaps it's time to consider stackable dma-ops (unless someone has a better idea...).
Cheers, Muli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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