Re: [Qemu-devel] Re: virtio-blk performance and MSI

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On 08/09/2009 08:41 PM, Christoph Hellwig wrote:
On Sun, Aug 09, 2009 at 01:01:35PM +0300, Avi Kivity wrote:
Looks good.  Anthony, I think this applies upstream?

This applies upstream, but as mentioned we can't just use it as-is.
We'll very recent kvm kernel support for multiple MSI vectors, and
when the host doesn't have it even 2.6.30 crashes badly in the guest.

Sorry, confused. Upstream doesn't use kvm for msi (everything's done in userspace). What exactly blocks us here?

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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