From: Omer Peleg <o...@cs.technion.ac.il>
Change flush_unmaps() to correctly pass iommu_flush_iotlb_psi()
dma addresses. (Intel mm and dma have the same size for pages
at the moment, but this usage improves consistency.)
Signed-off-by: Omer Peleg <o...@cs.technion.ac.il>
[m...@cs.technion.ac.il: rebased and reworded the commit message]
Signed-off-by: Adam Morrison <m...@cs.technion.ac.il>
---
drivers/iommu/intel-iommu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index be94444..576a29a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3548,7 +3548,8 @@ static void flush_unmaps(struct deferred_flush_data
*flush_data)
/* On real hardware multiple invalidations are
expensive */
if (cap_caching_mode(iommu->cap))
iommu_flush_iotlb_psi(iommu, domain,
- iova->pfn_lo, iova_size(iova),
+ mm_to_dma_pfn(iova->pfn_lo),
+ mm_to_dma_pfn(iova_size(iova)),
!freelist, 0);
else {
mask = ilog2(mm_to_dma_pfn(iova_size(iova)));
--
1.9.1
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