Re: [Xen-devel] question about ept_set_entry

["Zhang, Chunyu" <zhangcy@xxxxxxxxxxxxxx>]

>On April 29, 2016 5:24 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>> >>> On 29.04.16 at 11:14, <zhangcy@xxxxxxxxxxxxxx> wrote:
>> > hi all
>> >
>> > in
>> > - p2m-ept.c
>> >   - ept_set_entry
>> >
>> > i see code about iommu,
>> > those code  for what?
>
>Maybe Chunyu's question is -- why  EPT update is  along with IOMMU page table 
>update.
>I guess :(.
i only want to know the  purpose of those code O(∩_∩)O
now, i know those code is for IOMMU page table,
so i also want to know: why  EPT update is  along with IOMMU page table update 
(⊙﹏⊙)
>
>Quan
>
>>
>> For keeping the IOMMU translation tables in sync with the CPU ones?
>> But perhaps I'm simply not understanding what you try to get at...
>>
>
>
>

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