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| From: | Gerd Hoffmann |
| Subject: | Re: [Qemu-devel] [PATCH 28/35] kvm: x86: Introduce kvmclock device to save/restore its state |
| Date: | Thu, 20 Jan 2011 09:44:05 +0100 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Red Hat/3.1.7-3.el6_0 Thunderbird/3.1.7 |
Hi,
For (2), you cannot use bus=X,addr=Y because it makes assumptions about the PCI topology which may change in newer -M pc's.
Why should the PCI topology for 'pc' ever change?We'll probably get q35 support some day, but when this lands I expect we'll see a new machine type 'q35', so '-m q35' will pick the ich9 chipset (which will have a different pci topology of course) and '-m pc' will pick the existing piix chipset (which will continue to look like it looks today).
cheers, Gerd
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