linux/drivers/vdpa/mlx5
Si-Wei Liu 29ce8b8a4f vdpa/mlx5: Fix PA offset with unaligned starting iotlb map
When calculating the physical address range based on the iotlb and mr
[start,end) ranges, the offset of mr->start relative to map->start
is not taken into account. This leads to some incorrect and duplicate
mappings.

For the case when mr->start < map->start the code is already correct:
the range in [mr->start, map->start) was handled by a different
iteration.

Fixes: 94abbccdf2 ("vdpa/mlx5: Add shared memory registration code")
Cc: stable@vger.kernel.org
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Message-Id: <20241021134040.975221-2-dtatulea@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2024-11-12 18:05:04 -05:00
..
core vdpa/mlx5: Fix PA offset with unaligned starting iotlb map 2024-11-12 18:05:04 -05:00
net vdpa/mlx5: Fix error path during device add 2024-11-07 16:51:16 -05:00
Makefile vdpa/mlx5: Add debugfs subtree 2023-02-20 19:26:54 -05:00