dma_pte_free_pagetable no longer depends on last level ptes being clear, it clears them itself. Fix up the comment to match.
Cc: Jiang Liu <[email protected]> Suggested-by: Alex Williamson <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]> --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a2e1b7f..0100553 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1143,7 +1143,7 @@ next: } while (!first_pte_in_page(++pte) && pfn <= last_pfn); } -/* free page table pages. last level pte should already be cleared */ +/* clear last level (leaf) ptes and free page table pages. */ static void dma_pte_free_pagetable(struct dmar_domain *domain, unsigned long start_pfn, unsigned long last_pfn) -- MST _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
