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xen-devel
RE: [Xen-devel] [PATCH 2/4] Various VT-d code cleanup
Sorry, my previous statement is not correct. I want to say: system may
have more than one PCI segments (IOH), so the INCLUDE_ALL DRHD may be
not at the last of all other DRHDs.
Randy (Weidong)
Han, Weidong wrote:
> System may have more than one PCI segments (IOH), so it's possible
> there are more than one INCLUDE_ALL DRHDs.
>
> Randy (Weidong)
>
> Espen Skoglund wrote:
>> Hmmm... The VT-d spec (Section 8.3) states that the INCLUDE_ALL DRHD
>> strcuture must be enumerated after all other DRHD structures for
>> that PCI segment.
>>
>> eSk
>>
>>
>> [Weidong Han]
>>> There is only one INCLUDE_ALL DMAR unit in system, but no
>>> restriction on whether it's the last unit.
>>
>>> Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>
>>> _______________________________________________
>>> Xen-devel mailing list
>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>> http://lists.xensource.com/xen-devel
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