diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2024-04-24 10:16:37 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2024-04-26 12:57:44 +0300 |
| commit | a600ccd0a347e8f9c9f35f229e1ccd0dca9374c4 (patch) | |
| tree | c200c44aa8e84ad012f6d7648ef3fa4334be3876 | |
| parent | 4e589a53685c7658f9055fcedbce15bd4cc41134 (diff) | |
| download | linux-a600ccd0a347e8f9c9f35f229e1ccd0dca9374c4.tar.xz | |
iommu/vt-d: Use cache_tag_flush_range() in tlb_sync
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>
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index a268e2a51f4d..f3926ad7d737 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -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); } |