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[Qemu-devel] Re: Vhost support
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From: |
Michael S. Tsirkin |
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Subject: |
[Qemu-devel] Re: Vhost support |
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Date: |
Mon, 21 Feb 2011 13:22:17 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, Feb 21, 2011 at 11:13:33AM +0000, Liu Yu-B13201 wrote:
>
> Hello everyone,
>
> Does anyone know the status of vhost in upstream qemu?
> We would like to try vhost with kvm on powerpc e500v2 platform,
> but obviously, powerpc kvm only works with upstream qemu.
>
> KVM wike page says it needs to enable CONFIG_PCI_MSI for guest kernel.
> Is MSI a necessary?
>
> Thanks,
> Yu
At the moment, yes.
The issue is not with vhost, it's that irqfd in kvm
only works with MSI at the moment.
--
MST