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Re: [Qemu-devel] [PATCH 05/11] qemu: MSI-X support functions

From: Paul Brook
Subject: Re: [Qemu-devel] [PATCH 05/11] qemu: MSI-X support functions
Date: Wed, 10 Jun 2009 00:19:42 +0100
User-agent: KMail/1.11.4 (Linux/2.6.29-2-amd64; KDE/4.2.4; x86_64; ; )

On Monday 25 May 2009, Michael S. Tsirkin wrote:
> Add functions implementing MSI-X support. First user will be virtio-pci.
> Note that platform must set a flag to declare MSI supported.
> For PC this will be set by APIC.

This sounds wrong. The device shouldn't know or care whether the system has a 
MSI capable interrupt controller. That's for the guest OS to figure out.


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