Patch "IB/mlx5: Check BlueFlame HCA support" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

IB/mlx5: Check BlueFlame HCA support

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
ib-mlx5-check-blueflame-hca-support.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Noa Osherovich <[email protected]>
Date: Sat, 4 Jun 2016 15:15:33 +0300
Subject: IB/mlx5: Check BlueFlame HCA support

From: Noa Osherovich <[email protected]>

commit 2cc6ad5f2130733e561f97dba7a2052f8ea024aa upstream.

BlueFlame support is reported only for PFs when the HCA capability is on.

---
 drivers/infiniband/hw/mlx5/main.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -626,7 +626,8 @@ static struct ib_ucontext *mlx5_ib_alloc
 	num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE;
 	gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE;
 	resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
-	resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
+	if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf))
+		resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
 	resp.cache_line_size = L1_CACHE_BYTES;
 	resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq);
 	resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq);

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/ib-mlx5-fix-returned-values-of-query-qp.patch queue-4.4/ib-mlx5-return-port_err-in-active-to-initializing-tranisition.patch queue-4.4/ib-mlx5-fix-entries-checks-in-mlx5_ib_create_cq.patch queue-4.4/ib-mlx5-fix-entries-check-in-mlx5_ib_resize_cq.patch queue-4.4/ib-mlx5-check-blueflame-hca-support.patch