Messages in this thread | | | Date | Mon, 12 Nov 2007 12:52:01 +0200 | From | Muli Ben-Yehuda <> | Subject | Re: [kvm-devel] [PATCH 4/8] KVM: PVDMA: Introduce is_pv_device() dma operation |
| |
On Wed, Nov 07, 2007 at 04:21:05PM +0200, Amit Shah wrote:
> A guest can call dma_ops->is_pv_device() to find out if a device is > a passthrough'ed device (device passed on to a guest by the > host). If this is true, a hypercall will be made to translate DMA > mapping operations.
Doesn't really belong in the DMA mapping API. Instead what I think we should do is to cache this (per device) value in the pci_device struct (or device struct?) and in the dma-ops implementation inspect it to decide exactly how to do DMA mapping for this device.
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/
| |