[libvirt] [PATCH 1/1] Clear PIIX3/PIIX4_USB capabilities for non-X86 platforms

Li Zhang zhlcindy at gmail.com
Thu Feb 28 12:00:44 UTC 2013


On 2013年02月28日 19:55, Jiri Denemark wrote:
> On Thu, Feb 28, 2013 at 19:47:47 +0800, Li Zhang wrote:
>> On 2013年02月28日 19:39, Jiri Denemark wrote:
>>>> I tried to execute  "qom-list-types" command, I get a lot of return values
>>>> including X86 and other platforms.
>>> I think this is the real problem. QEMU binary emulating PPC architecture
>>> should not advertise x86-specific objects.
>> It seems that command "qom-list-types" just give all architectures'
>> list, not related with architecture.
>> qemu-system-x86_64 also can get all information of other architectures.
>>
>> I think it is not right way to getting capabilities by "qom-list-types".
> Yeah, it's either bug in qemu or libvirt should use another way of
> probing this stuff.
>
>> To fix this problem can be either way of the following:
>> 1. Specify the architectures in Libvirt as my patch.
> No way. This won't work if you want to start PPC domain on an x86 host
> or x86 domain on a PPC host.
>
>> 2. Specify the architectures in QEMU by modifying "qom-list-types"
>> command.
> Perhaps. We definitely need to find the right way of probing the data we
> care about. And it's likely both libvirt and qemu will need to be
> modified.
Got it, thanks.
I will look into it in QEMU. :)

>
> Jirka




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