The tlb_sync callback is called by the iommu core to flush a range of
caches for the affected domain. Use cache_tag_flush_range() in this
callback.
Signed-off-by: Lu Baolu <[email protected]>
---
drivers/iommu/intel/iommu.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 2af3e6f54af0..8ec69f09935d 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4101,25 +4101,8 @@ static size_t intel_iommu_unmap_pages(struct iommu_domain *domain,
static void intel_iommu_tlb_sync(struct iommu_domain *domain,
struct iommu_iotlb_gather *gather)
{
- struct dmar_domain *dmar_domain = to_dmar_domain(domain);
- unsigned long iova_pfn = IOVA_PFN(gather->start);
- size_t size = gather->end - gather->start;
- struct iommu_domain_info *info;
- unsigned long start_pfn;
- unsigned long nrpages;
- unsigned long i;
-
- nrpages = aligned_nrpages(gather->start, size);
- start_pfn = mm_to_dma_pfn_start(iova_pfn);
-
- xa_for_each(&dmar_domain->iommu_array, i, info)
- iommu_flush_iotlb_psi(info->iommu, dmar_domain,
- start_pfn, nrpages,
- list_empty(&gather->freelist), 0);
-
- if (dmar_domain->nested_parent)
- parent_domain_flush(dmar_domain, start_pfn, nrpages,
- list_empty(&gather->freelist));
+ cache_tag_flush_range(to_dmar_domain(domain), gather->start,
+ gather->end, list_empty(&gather->freelist));
put_pages_list(&gather->freelist);
}
--
2.34.1