Messages in this thread | | | Date | Mon, 3 Apr 2023 13:49:22 +0800 | Subject | Re: [PATCH v3 1/6] dmaengine: idxd: Add enable/disable device IOPF feature | From | Baolu Lu <> |
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On 3/24/23 8:02 PM, Lu Baolu wrote: > The iommu subsystem requires IOMMU_DEV_FEAT_IOPF must be enabled before > and disabled after IOMMU_DEV_FEAT_SVA, if device's I/O page faults rely > on the IOMMU. Add explicit IOMMU_DEV_FEAT_IOPF enabling/disabling in this > driver. > > At present, missing IOPF enabling/disabling doesn't cause any real issue, > because the IOMMU driver places the IOPF enabling/disabling in the path > of SVA feature handling. But this may change. > > Reviewed-by: Dave Jiang<dave.jiang@intel.com> > Reviewed-by: Fenghua Yu<fenghua.yu@intel.com> > Reviewed-by: Kevin Tian<kevin.tian@intel.com> > Signed-off-by: Lu Baolu<baolu.lu@linux.intel.com>
Hi Dave and Fenghua,
The following iommu patches depends on this one. Can I route it to Linus through the iommu tree?
Best regards, baolu
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