diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2015-10-13 16:11:13 +0300 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2015-10-15 15:22:35 +0300 |
| commit | 907fea3491d52063bb37b1f1ce0cf8a4ae70944c (patch) | |
| tree | 87bd60e81510676710fd1cedeb678c42e8d9704b /drivers/iommu/intel-iommu.c | |
| parent | 2f26e0a9c9860db290d63e9d85c2c8c09813677f (diff) | |
| download | linux-907fea3491d52063bb37b1f1ce0cf8a4ae70944c.tar.xz | |
iommu/vt-d: Implement deferred invalidate for SVM
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 60b66d27e655..58ecd52af43b 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4981,6 +4981,8 @@ int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sd ctx_lo |= CONTEXT_TT_PT_PASID << 2; } ctx_lo |= CONTEXT_PASIDE; + if (iommu->pasid_state_table) + ctx_lo |= CONTEXT_DINVE; context[0].lo = ctx_lo; wmb(); iommu->flush.flush_context(iommu, sdev->did, sdev->sid, |