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Re: [Qemu-devel] [PATCH] qemu: msi irq allocation api


From: Paul Brook
Subject: Re: [Qemu-devel] [PATCH] qemu: msi irq allocation api
Date: Thu, 21 May 2009 11:09:06 +0100
User-agent: KMail/1.11.2 (Linux/2.6.29-2-amd64; KDE/4.2.2; x86_64; ; )

On Wednesday 20 May 2009, Michael S. Tsirkin wrote:
> define api for allocating/setting up msi-x irqs, and for updating them
> with msi-x vector information, supply implementation in ioapic. Please
> comment on this API: I intend to port my msi-x patch to work on top of
> it.

I though the point of MSI is that they are just a regular memory writes, and 
don't require any special bus support.

Paul




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