Messages in this thread | | | From | "Tian, Kevin" <> | Subject | RE: [PATCH 07/12] iommu/vt-d: Cleanup use of iommu_flush_iotlb_psi() | Date | Thu, 28 Mar 2024 07:50:10 +0000 |
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> From: Lu Baolu <baolu.lu@linux.intel.com> > Sent: Monday, March 25, 2024 10:17 AM > > Use cache_tag_flush_range() in switch_to_super_page() to invalidate the > necessary caches when switching mappings from normal to super pages. The > iommu_flush_iotlb_psi() call in intel_iommu_memory_notifier() is > unnecessary since there should be no cache invalidation for the identity > domain. >
what about a software identity domain?
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