Patch "iommu/amd: Limit the IOVA page range to the specified addresses" has been added to the 4.14-stable tree

This is a note to let you know that I've just added the patch titled

iommu/amd: Limit the IOVA page range to the specified addresses

to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
iommu-amd-limit-the-iova-page-range-to-the-specified-addresses.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Gary R Hook <[email protected]>
Date: Fri, 3 Nov 2017 10:50:34 -0600
Subject: iommu/amd: Limit the IOVA page range to the specified addresses

From: Gary R Hook <[email protected]>

[ Upstream commit b92b4fb5c14257c0e7eae291ecc1f7b1962e1699 ]

The extent of pages specified when applying a reserved region should include up to the last page of the range, but not the page following the range.

---
 drivers/iommu/amd_iommu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -3155,7 +3155,7 @@ static void amd_iommu_apply_resv_region(
 	unsigned long start, end;
 
 	start = IOVA_PFN(region->start);
-	end   = IOVA_PFN(region->start + region->length);
+	end   = IOVA_PFN(region->start + region->length - 1);
 
 	WARN_ON_ONCE(reserve_iova(&dma_dom->iovad, start, end) == NULL);
 }

Patches currently in stable-queue which might be from [email protected] are

queue-4.14/iommu-amd-limit-the-iova-page-range-to-the-specified-addresses.patch