Commit 4e589a53 authored by Lu Baolu's avatar Lu Baolu Committed by Joerg Roedel
Browse files

iommu/vt-d: Use cache_tag_flush_all() in flush_iotlb_all 



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: default avatarLu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: default avatarKevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240416080656.60968-5-baolu.lu@linux.intel.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 446a68c5

drivers/iommu/intel/iommu.c

+1 −19
Original line number Diff line number Diff line
@@ -1557,25 +1557,7 @@ 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)