Am 04.10.2013 18:47, schrieb Paolo Bonzini:
> Il 26/08/2013 18:17, Michael S. Tsirkin ha scritto:
>> On Mon, Aug 26, 2013 at 05:17:07PM +0200, Andreas Färber wrote:
>>> Am 26.08.2013 17:01, schrieb Paolo Bonzini:
>>>> Il 26/08/2013 16:34, Andreas Färber ha scritto:
>>>>> Am 26.08.2013 14:21, schrieb Paolo Bonzini:
>>>>>> Il 13/08/2013 00:02, Paolo Bonzini ha scritto:
>>>>>>> vapic requires the VAPIC ROM to be mapped into RAM.  This is not
>>>>>>> possible without PAM hardware.  This fixes a segmentation fault
>>>>>>> running with -M isapc.
>>>>>>>
>>>>>>> Cc: qemu-sta...@nongnu.org
>>>>>>> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
>>>>>>> ---
>>>>>>>
>>>>>>> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
>>>>>>> index a19e172..3aa244a 100644
>>>>>>> --- a/hw/i386/pc_piix.c
>>>>>>> +++ b/hw/i386/pc_piix.c
>>>>>>> @@ -743,6 +743,11 @@ static QEMUMachine isapc_machine = {
>>>>>>>      .init = pc_init_isa,
>>>>>>>      .max_cpus = 1,
>>>>>>>      .compat_props = (GlobalProperty[]) {
>>>>>>> +        {
>>>>>>> +            .driver   = "apic-common",
>>>>>>> +            .property = "kvmvapic",
>>>>>>> +            .value    = "off",
>>>>>>> +        },
>>>>>>>          { /* end of list */ }
>>>>>>>      },
>>>>>>>      DEFAULT_MACHINE_OPTIONS,
>>>>>>>
>>>>>>
>>>>>> Ping.
>>>>>
>>>>> I had double-checked that my pending qom-test covers isapc and succeeds
>>>>> with and without your patch, so apparently this is visible at runtime 
>>>>> only.
>>>>
>>>> Yes, it only happens after kvmvapic is actually enabled by the option ROM.
>>>
>>> Maybe Michael can pick it up along with the compat refactorings?
>>
>> Sure, I'll put it on my tree but I already prepared a pull request
>> for today, it will go into the next one.
> 
> Michael, can you post this patch together with the ACPI pull request?

What about the comment wrt s/kvmvapic/vapic/g? Haven't seen any response
or v2.

Andreas

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