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Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug.
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug. |
Date: |
Fri, 12 Oct 2012 12:39:15 +0200 |
On Fri, Oct 12, 2012 at 12:06:44PM +0200, Gerd Hoffmann wrote:
> Hi,
>
> >>> I just tried out getting rid of the bridges by default.
> >>
> >> That clearly raises the question which devices should be created
> >> automatically by -M q35. I think the devices which are part of the ich9
> >> chipset should be there by default. /me looks at my laptop which
> >> happens to have a ich9 chipset.
> >
> > The reason this is a bad idea is very simple: we only have a way to add
> > devices not to remove them. So if you miss a device which your guest
> > needs, it is easy to add, but there is no way to remove.
>
> Why would you want remove devices? They don't harm when present.
Yes they do, they increase attack surface on hypervisor.
--
MST
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., (continued)
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Jason Baron, 2012/10/11
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Michael S. Tsirkin, 2012/10/11
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Jason Baron, 2012/10/12
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Gerd Hoffmann, 2012/10/12
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Michael S. Tsirkin, 2012/10/12
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Gerd Hoffmann, 2012/10/12
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug.,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH v2 21/21] q35: add acpi-based pci hotplug., Jason Baron, 2012/10/12
[Qemu-devel] [PATCH v2 13/21] q35: Re-base q35, Jason Baron, 2012/10/08