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SubjectRe: [PATCH] intel-iommu: fix up comment
On Wed, Mar 23, 2016 at 08:34:19PM +0200, Michael S. Tsirkin wrote:
> 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 <jiang.liu@linux.intel.com>
> Suggested-by: Alex Williamson <alex.williamson@redhat.com>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

Anyone?

> ---
> 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

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