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Re: [PATCH v2] intel-iommu: Document iova_tree
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From: |
Peter Xu |
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Subject: |
Re: [PATCH v2] intel-iommu: Document iova_tree |
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Date: |
Tue, 6 Dec 2022 17:13:32 -0500 |
On Tue, Dec 06, 2022 at 05:10:39PM -0500, Peter Xu wrote:
> It seems not super clear on when iova_tree is used, and why. Add a rich
> comment above iova_tree to track why we needed the iova_tree, and when we
> need it.
>
> Also comment for the map/unmap messages, on how they're used and
> implications (e.g. unmap can be larger than the mapped ranges).
>
> Suggested-by: Jason Wang <jasowang@redhat.com>
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
> v2:
> - Adjust according to Eric's comment
This is the old version.. sorry, will repost.
--
Peter Xu