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Date: Sun, 22 May 2011 10:44:00 -0500
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: Re: [Qemu-devel] [RFC v1] Add declarations for hierarchical memory
 region API
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To: Avi Kivity <avi@redhat.com>
Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, Richard Henderson <rth@twiddle.net>

On 05/22/2011 01:38 AM, Avi Kivity wrote:
> On 05/20/2011 05:31 PM, Anthony Liguori wrote:
>>> Several alpha system chips MCE when accessed with incorrect sizes.
>>> E.g. only 64-bit accesses are allowed.
>>
>>
>> But is this a characteristic of devices or is this a characteristic of
>> the chipset/CPU?
>
> The chipset is modelled by a MemoryRegion too.
>
>>
>> At any rate, I'm fairly sure it doesn't belong in the MemoryRegion
>> structure.
>>
>
> Since it isn't a global property, where does it belong?

The chipset should have an intercept in the dispatch path that enforces 
this (this assumes hierarchical dispatch).

Regards,

Anthony Liguori

>