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Re: Configuration vs. compat hints [was Re: [Qemu-devel] [PATCHv3 03/13]

From: Avi Kivity
Subject: Re: Configuration vs. compat hints [was Re: [Qemu-devel] [PATCHv3 03/13] qemu: add routines to manage PCI capabilities]
Date: Mon, 15 Jun 2009 12:38:48 +0300
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Lightning/1.0pre Thunderbird/3.0b2

On 06/14/2009 12:47 PM, Michael S. Tsirkin wrote:
Michael S. Tsirkin wrote:
If we want to remove a device from under a running guest, you need
hotplug. So we can't just remove several lines from the config and hope
that it'll work simply because the PCI address is stable.

Why not?

E.g. configuration cycles address a specific bus/slot.
You need cooperation from guest if you want to move
a device.

By "remove several lines from the config" I understood the guest needs to be restarted. Of course if you don't restart the guest you need true hotplug.

error compiling committee.c: too many arguments to function

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