iommu/vt-d: Add a helper to flush cache for updating present pasid entry

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Generalize the logic for flushing pasid-related cache upon changes to
bits other than SSADE and P which requires a different flow according
to VT-d spec.

No functional change is intended.

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20241107122234.7424-3-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

...

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Yi Liu 2024-11-08 10:13:53 +08:00 • committed by Joerg Roedel

parent b45a3777ce

commit 9bd008f1a9

1 changed files with 34 additions and 18 deletions

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52

drivers/iommu/intel/pasid.c

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