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iommu/vt-d: Use cache_tag_flush_range() in tlb_sync

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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 <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20240416080656.60968-6-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Lu Baolu
2024-04-24 15:16:37 +08:00
committed by Joerg Roedel
parent 4e589a5368
commit a600ccd0a3
1 changed files with 2 additions and 19 deletions
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drivers/iommu/intel/iommu.c
+2 -19
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@@ -4104,25 +4104,8 @@ 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);
}