Reviewed-by: Ben Serebrin <sereb...@google.com>
Looks good.
On Mon, Dec 28, 2015 at 8:16 AM, Adam Morrison <m...@cs.technion.ac.il> wrote:
> 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 5b3530c..6d6229e 100644
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -3463,7 +3463,8 @@ 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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