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    SubjectRe: [PATCH v10 04/12] iommu: Add attach/detach_dev_pasid iommu interface
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    On 2022/7/23 22:11, Jason Gunthorpe wrote:
    >> + xa_erase(&group->pasid_array, pasid);
    > It is worth checking that the value returned from xa_erase is domain
    > and WARN_ON if not, since we are passing domain in..

    Yes, will do like this:

    WARN_ON(xa_erase(&group->pasid_array, pasid) != domain);

    Best regards,
    baolu

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