Messages in this thread | | | Date | Thu, 18 Mar 2021 11:24:19 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH] iommu/vt-d: Disable SVM when ATS/PRI/PASID are not enabled in the device |
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On Sun, Mar 14, 2021 at 01:15:34PM -0700, Kyung Min Park wrote: > Currently, the Intel VT-d supports Shared Virtual Memory (SVM) only when > IO page fault is supported. Otherwise, shared memory pages can not be > swapped out and need to be pinned. The device needs the Address Translation > Service (ATS), Page Request Interface (PRI) and Process Address Space > Identifier (PASID) capabilities to be enabled to support IO page fault. > > Disable SVM when ATS, PRI and PASID are not enabled in the device. > > Signed-off-by: Kyung Min Park <kyung.min.park@intel.com>
Applied, thanks.
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