Fix range size calculation to include the last byte of each range.
In addition, log round up the length of the total ranges to be stricter.
Fixes: c1d050b0d169 ("vfio/mlx5: Create and destroy page tracker object")
Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxx>
---
drivers/vfio/pci/mlx5/cmd.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/vfio/pci/mlx5/cmd.c b/drivers/vfio/pci/mlx5/cmd.c
index 5161d845c478..deed156e6165 100644
--- a/drivers/vfio/pci/mlx5/cmd.c
+++ b/drivers/vfio/pci/mlx5/cmd.c
@@ -830,7 +830,7 @@ static int mlx5vf_create_tracker(struct mlx5_core_dev *mdev,
node = interval_tree_iter_first(ranges, 0, ULONG_MAX);
for (i = 0; i < num_ranges; i++) {
void *addr_range_i_base = range_list_ptr + record_size * i;
- unsigned long length = node->last - node->start;
+ unsigned long length = node->last - node->start + 1;
MLX5_SET64(page_track_range, addr_range_i_base, start_address,
node->start);
@@ -840,7 +840,7 @@ static int mlx5vf_create_tracker(struct mlx5_core_dev *mdev,
}
WARN_ON(node);
- log_addr_space_size = ilog2(total_ranges_len);
+ log_addr_space_size = ilog2(roundup_pow_of_two(total_ranges_len));
if (log_addr_space_size <
(MLX5_CAP_ADV_VIRTUALIZATION(mdev, pg_track_log_min_addr_space)) ||
log_addr_space_size >
--
2.18.1
