RE: [Xen-devel] [VTD][PATCH] Change xc_assign_device()

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

Muli Ben-Yehuda wrote:
> On Mon, Dec 10, 2007 at 04:13:45PM +0800, Han, Weidong wrote:
> 
>> Xend is too early to do real assignment, do some checking is better.
>> These two issues will be found by the checks in Xend ( 1) issue will
>> be found by pciback). After passing these checks in Xend, it's
>> suitable to do real device assignment and memory and ioport mappings
>> in qemu.
> 
> Considering Xend already does the checks, wouldn't it be better to
> just move the assignments to after the checks are done, but still keep
> them in Xend?
> 

The checks added for VT-d in Xend doesn't check whether it's hidden or
not, which is checked by pciback (xend/server/pciif.py). 

Randy (Weidong)


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