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iommu/vt-d: Remove redundant IOTLB flush
authorLu Baolu <baolu.lu@linux.intel.com>
Sat, 16 May 2020 06:20:59 +0000 (14:20 +0800)
committerJoerg Roedel <jroedel@suse.de>
Mon, 18 May 2020 13:37:26 +0000 (15:37 +0200)
commit81ebd91a436b87158b2ab6c71a51395316b147dc
treec2adf88c88fc3ce2d2699b2f93aa5fb8ad74ff66
parent66ac4db36f4c12a3b02db864ccb0801cd938b6de
iommu/vt-d: Remove redundant IOTLB flush

IOTLB flush already included in the PASID tear down and the page request
drain process. There is no need to flush again.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20200516062101.29541-17-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/intel-svm.c