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Re: [Qemu-devel] Re: [PATCH 7/7] [RFC] pci bus: preliminary for multi pc


From: Avi Kivity
Subject: Re: [Qemu-devel] Re: [PATCH 7/7] [RFC] pci bus: preliminary for multi pci bus support.
Date: Tue, 02 Jun 2009 11:51:03 +0300
User-agent: Thunderbird 2.0.0.21 (X11/20090320)

Isaku Yamahata wrote:
On Tue, Jun 02, 2009 at 10:13:19AM +0300, Avi Kivity wrote:
Isaku Yamahata wrote:
This patch is preliminary for multi pci bus support to
add -pci option.
What is the motivation for this work?

-pci might be too generic. -pci_bridge or something else might be
better. I think, eventually they would be replaced with config file work.
So this option isn't so important.

The short term motivation is 128+ pci slot support.
I know Markus has tried on kvm before and was rejected because
of scalability. As he also wants it, I'm willing to collaborate with him.

Thanks for the explanation.

The long term motivation is to support MMCFG and PCIe port emulator,
then eventually PCIe native direct attach support including
PCIe native functionality like AER.
This requires more newer chipset emulation than piix and more.

Yes, this is definitely interesting.

--
error compiling committee.c: too many arguments to function





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