diff mbox series

[rdma-next,11/12] RDMA/mlx5: Use ib_umem_start instead of umem.address

Message ID 20190819111710.18440-12-leon@kernel.org (mailing list archive)
State Accepted
Delegated to: Jason Gunthorpe
Headers show
Series Improvements for ODP | expand

Commit Message

Leon Romanovsky Aug. 19, 2019, 11:17 a.m. UTC 
From: Jason Gunthorpe <jgg@mellanox.com>

These are subtly different, the address is the original VA requested
during umem_get, while ib_umem_start() is the version that is rounded to
the proper page size, ie is the true start of the umem's dma map.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
---
 drivers/infiniband/hw/mlx5/odp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index c755c76729bc..70e0a3555f11 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -184,7 +184,7 @@  void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
 	for (i = 0; i < nentries; i++, pklm++) {
 		pklm->bcount = cpu_to_be32(MLX5_IMR_MTT_SIZE);
 		va = (offset + i) * MLX5_IMR_MTT_SIZE;
-		if (odp && odp->umem.address == va) {
+		if (odp && ib_umem_start(odp) == va) {
 			struct mlx5_ib_mr *mtt = odp->private;
 
 			pklm->key = cpu_to_be32(mtt->ibmr.lkey);
@@ -494,7 +494,7 @@  static struct ib_umem_odp *implicit_mr_get_data(struct mlx5_ib_mr *mr,
 	addr += MLX5_IMR_MTT_SIZE;
 	if (unlikely(addr < io_virt + bcnt)) {
 		odp = odp_next(odp);
-		if (odp && odp->umem.address != addr)
+		if (odp && ib_umem_start(odp) != addr)
 			odp = NULL;
 		goto next_mr;
 	}
@@ -664,7 +664,7 @@  static int pagefault_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
 
 		io_virt += size;
 		next = odp_next(odp);
-		if (unlikely(!next || next->umem.address != io_virt)) {
+		if (unlikely(!next || ib_umem_start(next) != io_virt)) {
 			mlx5_ib_dbg(dev, "next implicit leaf removed at 0x%llx. got %p\n",
 				    io_virt, next);
 			return -EAGAIN;