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    SubjectRe: [PATCH v4 05/11] iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit
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    On 4/28/22 09:01, Jean-Philippe Brucker wrote:
    >> But, this misses an important point: even after the address space is
    >> gone, the PASID will still be programmed into a device. Device drivers
    >> might, for instance, still need to flush operations that are outstanding
    >> and need to use that PASID. They do this at ->release() time.
    > It's not really clear which release() this is. For us it's file descriptor
    > release() (not MMU notifier release(), which is how I initially understood
    > this sentence)

    OK, maybe that should be: "file->release() time" to make it more clear.

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