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| author | Jacob Pan <jacob.jun.pan@linux.intel.com> | 2020-01-02 03:18:07 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-01-07 16:05:57 +0300 |
| commit | 39d630e332144028f56abba83d94291978e72df1 (patch) | |
| tree | 0a9654d6dc5c904b2e4cfd58549838a073d979bd /drivers/iommu/intel-pasid.c | |
| parent | d62efd4fa62be50fa1ff4433a83b14c51d320a27 (diff) | |
| download | linux-39d630e332144028f56abba83d94291978e72df1.tar.xz | |
iommu/vt-d: Fix off-by-one in PASID allocation
PASID allocator uses IDR which is exclusive for the end of the
allocation range. There is no need to decrement pasid_max.
Fixes: af39507305fb ("iommu/vt-d: Apply global PASID in SVA")
Reported-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-pasid.c')
0 files changed, 0 insertions, 0 deletions