[PATCH 6/7] vfio: iommu_type1: Drop parameter "pgsize" of vfio_iova_dirty_bitmap.

[Keqian Zhu]

We always use the smallest supported page size of vfio_iommu as
pgsize. Remove parameter "pgsize" of vfio_iova_dirty_bitmap.

Signed-off-by: Keqian Zhu <zhukeqi...@huawei.com>
---
 drivers/vfio/vfio_iommu_type1.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 32ab889c8193..2d7a5cd9b916 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -1026,11 +1026,12 @@ static int update_user_bitmap(u64 __user *bitmap, 
struct vfio_iommu *iommu,
 }
 
 static int vfio_iova_dirty_bitmap(u64 __user *bitmap, struct vfio_iommu *iommu,
-                                 dma_addr_t iova, size_t size, size_t pgsize)
+                                 dma_addr_t iova, size_t size)
 {
        struct vfio_dma *dma;
        struct rb_node *n;
-       unsigned long pgshift = __ffs(pgsize);
+       unsigned long pgshift = __ffs(iommu->pgsize_bitmap);
+       size_t pgsize = (size_t)1 << pgshift;
        int ret;
 
        /*
@@ -2861,8 +2862,7 @@ static int vfio_iommu_type1_dirty_pages(struct vfio_iommu 
*iommu,
                if (iommu->dirty_page_tracking)
                        ret = vfio_iova_dirty_bitmap(range.bitmap.data,
                                                     iommu, range.iova,
-                                                    range.size,
-                                                    range.bitmap.pgsize);
+                                                    range.size);
                else
                        ret = -EINVAL;
 out_unlock:
-- 
2.23.0