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Date: Fri, 11 Oct 2013 10:38:17 +0200
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v6 2/5] hpet: enable to entitle more irq
	pins for hpet
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To: liu ping fan <qemulist@gmail.com>
Cc: qemu-devel@nongnu.org, Anthony Liguori <anthony@codemonkey.ws>, "Michael S. Tsirkin" <mst@redhat.com>

Il 11/10/2013 04:59, liu ping fan ha scritto:
> On Thu, Oct 10, 2013 at 7:41 PM, Michael S. Tsirkin <mst@redhat.com> wrote:
>> On Thu, Oct 10, 2013 at 11:46:42AM +0200, Paolo Bonzini wrote:
>>> Il 10/10/2013 11:41, Michael S. Tsirkin ha scritto:
>>>>>> Are you sure?  This is not done for any other compat property.
>>>>>>
>>>>>> Paolo
>>>> It's done if we use the property from C.
>>>> See PCI_HOST_PROP_PCI_HOLE64_SIZE.
>>>>
>>>> You want compiler to catch errors, that's
>>>> much better than a runtime failure.
>>>
>>> I agree, but I think there should be no need to use the property from C.
>>>
>>> Paolo
>>
>> Well this patchset does use it from C.
>> If it's done it needs a macro.
> 
> hpet.h is the ideal place to put the macro, so pc.c can see it. But
> what about PC_COMPAT_1_7 in pc.h? I think it is not right to include
> hpet.h. So can I do not use marco in pc.h?

I think you shouldn't need the macro (no need to use the property from
C, only from compat properties).

Paolo