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From: | Avi Kivity |
Subject: | [Qemu-devel] Re: [PATCH v3 1/1] Shared memory uio_pci driver |
Date: | Thu, 25 Mar 2010 18:32:15 +0200 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100301 Fedora/3.0.3-1.fc12 Thunderbird/3.0.3 |
On 03/25/2010 06:23 PM, Anthony Liguori wrote:
There has been previous discussion of virtio, however while virtio is good for exporting guest memory, it's not ideal for importing memory into a guest.virtio is a DMA-based API which means that it doesn't assume cache coherent shared memory. The PCI transport takes advantage of cache coherent shared memory but it's not strictly required.
Aren't we violating this by not using dma_alloc_coherent() for the queues? -- error compiling committee.c: too many arguments to function
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