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| author | Jacob Pan <jacob.jun.pan@linux.intel.com> | 2020-05-16 08:20:45 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-05-18 15:37:25 +0200 |
| commit | 3aef9ca6a42aca8c797f867e554ad297b446439f (patch) | |
| tree | eaf4c82a05c93500b001a5ff917b2e89eb23e581 /drivers/iommu/intel-iommu.c | |
| parent | iommu/vt-d: Move domain helper to header (diff) | |
| download | linux-3aef9ca6a42aca8c797f867e554ad297b446439f.tar.xz linux-3aef9ca6a42aca8c797f867e554ad297b446439f.zip | |
iommu/vt-d: Use a helper function to skip agaw for SL
An Intel iommu domain uses 5-level page table by default. If the iommu
that the domain tries to attach supports less page levels, the top level
page tables should be skipped. Add a helper to do this so that it could
be used in other places.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20200516062101.29541-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
0 files changed, 0 insertions, 0 deletions