Supervisor PASID for SVA/SVM is no longer supported, delete the unused flag. Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> --- drivers/iommu/intel/svm.c | 2 +- include/linux/intel-svm.h | 13 ------------- 2 files changed, 1 insertion(+), 14 deletions(-) diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 44331db060e4..5b220d464218 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -750,7 +750,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) * to unbind the mm while any page faults are outstanding. */ svm = pasid_private_find(req->pasid); - if (IS_ERR_OR_NULL(svm) || (svm->flags & SVM_FLAG_SUPERVISOR_MODE)) + if (IS_ERR_OR_NULL(svm)) goto bad_req; } diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h index b3b125b332aa..6835a665c195 100644 --- a/include/linux/intel-svm.h +++ b/include/linux/intel-svm.h @@ -13,17 +13,4 @@ #define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x20) #define PRQ_DEPTH ((0x1000 << PRQ_ORDER) >> 5) -/* - * The SVM_FLAG_SUPERVISOR_MODE flag requests a PASID which can be used only - * for access to kernel addresses. No IOTLB flushes are automatically done - * for kernel mappings; it is valid only for access to the kernel's static - * 1:1 mapping of physical memory — not to vmalloc or even module mappings. - * A future API addition may permit the use of such ranges, by means of an - * explicit IOTLB flush call (akin to the DMA API's unmap method). - * - * It is unlikely that we will ever hook into flush_tlb_kernel_range() to - * do such IOTLB flushes automatically. - */ -#define SVM_FLAG_SUPERVISOR_MODE BIT(0) - #endif /* __INTEL_SVM_H__ */ -- 2.25.1
