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SubjectRe: [PATCH v2 0/7] iommu/vt-d: Add page request draining support
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Hi Kevin,

On 2020/4/15 15:57, Tian, Kevin wrote:
>> From: Lu Baolu<baolu.lu@linux.intel.com>
>> Sent: Wednesday, April 15, 2020 1:26 PM
>>
>> When a PASID is stopped or terminated, there can be pending PRQs
>> (requests that haven't received responses) in the software and
>> remapping hardware. The pending page requests must be drained
>> so that the pasid could be reused. The register level interface
>> for page request draining is defined in 7.11 of the VT-d spec.
>> This series adds the support for page requests draining.
> 7.11 doesn't include register-level interface. It just talks about
> the general requirements on system software, endpoint device
> and its driver.
>

I will replace this with "spec 7.10 specifies the software steps to
drain page requests and response".

Best regards,
baolu

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