[PATCH v2 5/5] doc: update doorbell mapping parameter name in mlx5 guide

[Ferruh Yigit]

On 2/23/2022 1:48 PM, Michael Baum wrote:
> The "tx_db_nc" devarg forces doorbell register mapping to non-cached
> region eliminating the extra write memory barrier. This argument was
> used in creating the UAR for Tx and thus affected its performance.
> 
> Recently [1] its use has been extended to all UAR creation in all mlx5
> drivers, and now its name is no longer so accurate.
> 
> This patch changes its name to "sq_db_nc" to suit any send queue that
> uses it. The old name will still work for backward compatibility.
> 
> [1] commit 5dfa003db53f ("common/mlx5: fix post doorbell barrier")
> 
> Signed-off-by: Michael Baum<michaelba at nvidia.com>
> Reviewed-by: Raslan Darawsheh<rasland at nvidia.com>
> Acked-by: Viacheslav Ovsiienko<viacheslavo at nvidia.com>
> ---
>   doc/guides/nics/mlx5.rst                   | 34 ++-----------------
>   doc/guides/platform/mlx5.rst               | 39 ++++++++++++++++++++++
>   drivers/common/mlx5/linux/mlx5_common_os.c |  2 +-
>   drivers/common/mlx5/mlx5_common.c          | 31 ++++++++++++-----
>   drivers/common/mlx5/mlx5_common_defs.h     |  8 ++---
>   drivers/net/mlx5/linux/mlx5_verbs.c        |  2 +-
>   drivers/net/mlx5/mlx5_devx.c               |  2 +-
>   7 files changed, 72 insertions(+), 46 deletions(-)

Hi Michael,

This is not a document patch to update the parameter name,
patch actually changes the parameter name in the code and
documents it, updating it as:
net/mlx5: update doorbell mapping parameter name