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Re: [Qemu-devel] About hotplug multifunction
From: |
Isaku Yamahata |
Subject: |
Re: [Qemu-devel] About hotplug multifunction |
Date: |
Tue, 13 Sep 2011 14:57:20 +0900 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On Sun, Sep 11, 2011 at 12:05:17PM +0300, Michael S. Tsirkin wrote:
> On Sat, Sep 10, 2011 at 02:43:11AM +0900, Isaku Yamahata wrote:
> > pci/pcie hot plug needs clean up for multifunction hotplug in long term.
> > Only single function device case works. Multifunction case is broken
> > somwehat.
> > Especially the current acpi based hotplug should be replaced by
> > the standardized hot plug controller in long term.
>
> We'll need to keep supporting windows XP, which IIUC only
> supports hotplug through ACPI. So it looks like we'll
> need both.
Yes, we'll need both then.
It would be possible to implement acpi-based hotplug with
standardized hotplug controller. Not with qemu-specific controller.
It would require a bit amount of work to write ACPI code in DSDT that
handles standardized hotplug controller.
So I'm not sure it's worth while only for windows XP support.
--
yamahata
- Re: [Qemu-devel] About hotplug multifunction, (continued)
- Re: [Qemu-devel] About hotplug multifunction, Michael S. Tsirkin, 2011/09/11
- Re: [Qemu-devel] About hotplug multifunction, Marcelo Tosatti, 2011/09/11
- Re: [Qemu-devel] About hotplug multifunction, Michael S. Tsirkin, 2011/09/11
- Re: [Qemu-devel] About hotplug multifunction, Marcelo Tosatti, 2011/09/12
- Re: [Qemu-devel] About hotplug multifunction, Marcelo Tosatti, 2011/09/12
- Re: [Qemu-devel] About hotplug multifunction, Michael S. Tsirkin, 2011/09/12
- Re: [Qemu-devel] About hotplug multifunction, Amos Kong, 2011/09/13
- Re: [Qemu-devel] About hotplug multifunction, Amos Kong, 2011/09/13
Re: [Qemu-devel] About hotplug multifunction, Isaku Yamahata, 2011/09/09
- Re: [Qemu-devel] About hotplug multifunction, Michael S. Tsirkin, 2011/09/11
- Re: [Qemu-devel] About hotplug multifunction,
Isaku Yamahata <=
- Re: [Qemu-devel] About hotplug multifunction, Gleb Natapov, 2011/09/13
- Re: [Qemu-devel] About hotplug multifunction, Isaku Yamahata, 2011/09/13
- Re: [Qemu-devel] About hotplug multifunction, Michael S. Tsirkin, 2011/09/13
- Re: [Qemu-devel] About hotplug multifunction, Michael S. Tsirkin, 2011/09/13
- Re: [Qemu-devel] About hotplug multifunction, Gleb Natapov, 2011/09/13