The flush_iotlb_all callback is called by the iommu core to flush
all caches for the affected domain. Use cache_tag_flush_all() in
this callback.
Signed-off-by: Lu Baolu <[email protected]>
---
drivers/iommu/intel/iommu.c | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 4572624a275e..2af3e6f54af0 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1556,25 +1556,7 @@ static void parent_domain_flush(struct dmar_domain *domain,
static void intel_flush_iotlb_all(struct iommu_domain *domain)
{
- struct dmar_domain *dmar_domain = to_dmar_domain(domain);
- struct iommu_domain_info *info;
- unsigned long idx;
-
- xa_for_each(&dmar_domain->iommu_array, idx, info) {
- struct intel_iommu *iommu = info->iommu;
- u16 did = domain_id_iommu(dmar_domain, iommu);
-
- if (dmar_domain->use_first_level)
- domain_flush_pasid_iotlb(iommu, dmar_domain, 0, -1, 0);
- else
- iommu->flush.flush_iotlb(iommu, did, 0, 0,
- DMA_TLB_DSI_FLUSH);
-
- iommu_flush_dev_iotlb(dmar_domain, 0, MAX_AGAW_PFN_WIDTH);
- }
-
- if (dmar_domain->nested_parent)
- parent_domain_flush(dmar_domain, 0, -1, 0);
+ cache_tag_flush_all(to_dmar_domain(domain));
}
static void iommu_disable_protect_mem_regions(struct intel_iommu *iommu)
--
2.34.1