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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2018-03-16 05:31:36 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-03-20 19:43:27 +0100 |
| commit | 971401015d14dfbb483aa6385f8bddc1afad0c32 (patch) | |
| tree | 4d22aeb82c9ffb239c9c3b61325fa50531e6d2b6 /drivers/mmc/host/cqhci.h | |
| parent | iommu/vt-d: Fix a potential memory leak (diff) | |
| download | linux-971401015d14dfbb483aa6385f8bddc1afad0c32.tar.xz linux-971401015d14dfbb483aa6385f8bddc1afad0c32.zip | |
iommu/vt-d: Use real PASID for flush in caching mode
If caching mode is supported, the hardware will cache
none-present or erroneous translation entries. Hence,
software should explicitly invalidate the PASID cache
after a PASID table entry becomes present. We should
issue such invalidation with the PASID value that we
have changed. PASID 0 is not reserved for this case.
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Sankaran Rajesh <rajesh.sankaran@intel.com>
Suggested-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/mmc/host/cqhci.h')
0 files changed, 0 insertions, 0 deletions