diff options
Diffstat (limited to 'drivers/iommu/intel/svm.c')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 2a82864e9d57..9fbae9af6615 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -26,8 +26,6 @@ #include "trace.h" static irqreturn_t prq_event_thread(int irq, void *d); -static void intel_svm_drain_prq(struct device *dev, u32 pasid); -#define to_intel_svm_dev(handle) container_of(handle, struct intel_svm_dev, sva) static DEFINE_XARRAY_ALLOC(pasid_private_array); static int pasid_private_add(ioasid_t pasid, void *priv) @@ -382,17 +380,6 @@ void intel_svm_remove_dev_pasid(struct device *dev, u32 pasid) if (sdev) { list_del_rcu(&sdev->list); - /* - * Flush the PASID cache and IOTLB for this device. - * Note that we do depend on the hardware *not* using - * the PASID any more. Just as we depend on other - * devices never using PASIDs that they have no right - * to use. We have a *shared* PASID table, because it's - * large and has to be physically contiguous. So it's - * hard to be as defensive as we might like. - */ - intel_pasid_tear_down_entry(iommu, dev, svm->pasid, false); - intel_svm_drain_prq(dev, svm->pasid); kfree_rcu(sdev, rcu); if (list_empty(&svm->devs)) { @@ -449,7 +436,7 @@ static bool is_canonical_address(u64 addr) } /** - * intel_svm_drain_prq - Drain page requests and responses for a pasid + * intel_drain_pasid_prq - Drain page requests and responses for a pasid * @dev: target device * @pasid: pasid for draining * @@ -463,7 +450,7 @@ static bool is_canonical_address(u64 addr) * described in VT-d spec CH7.10 to drain all page requests and page * responses pending in the hardware. */ -static void intel_svm_drain_prq(struct device *dev, u32 pasid) +void intel_drain_pasid_prq(struct device *dev, u32 pasid) { struct device_domain_info *info; struct dmar_domain *domain; |