Messages in this thread | | | Date | Thu, 18 Mar 2021 10:12:46 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 2/5] iommu/vt-d: Remove WO permissions on second-level paging entries |
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Hi,
On Mon, Mar 08, 2021 at 11:47:46AM -0800, Raj, Ashok wrote: > That is the primary motivation, given that we have moved to 1st level for > general IOVA, first level doesn't have a WO mapping. I didn't know enough > about the history to determine if a WO without a READ is very useful. I > guess the ZLR was invented to support those cases without a READ in PCIe. I
Okay, please update the commit message and re-send. I guess these patches are 5.13 stuff. In that case, Baolu can include them into his pull request later this cycle.
Regards,
Joerg
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