RE: [Xen-devel] [PATCH 2/4] Various VT-d code cleanup

["Han, Weidong" <weidong.han@xxxxxxxxx>]

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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