From: Michael Baum <michaelba@nvidia.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: Matan Azrad <matan@nvidia.com>,
Raslan Darawsheh <rasland@nvidia.com>,
Slava Ovsiienko <viacheslavo@nvidia.com>
Subject: RE: [PATCH v2 5/5] doc: update doorbell mapping parameter name in mlx5 guide
Date: Fri, 25 Feb 2022 00:01:42 +0000 [thread overview]
Message-ID: <DM5PR12MB4661CFB605FA3E5F9C8C98A2CC3E9@DM5PR12MB4661.namprd12.prod.outlook.com> (raw)
In-Reply-To: <d569bb90-7dd9-810b-064e-ec8ab62a2e59@intel.com>
On 2/23/2022 11:48 PM, Ferruh Yigit wrote:
> 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@nvidia.com>
> > Reviewed-by: Raslan Darawsheh<rasland@nvidia.com>
> > Acked-by: Viacheslav Ovsiienko<viacheslavo@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
Hi Ferruh,
Your argument makes sense to me, but most of updates was in MLX5 common library so I think it is better to write:
common/mlx5: update doorbell mapping parameter name
next prev parent reply other threads:[~2022-02-25 0:01 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-22 12:48 [PATCH 0/5] refactore mlx5 guides Michael Baum
2022-02-22 12:48 ` [PATCH 1/5] doc: remove obsolete explanations from mlx5 guide Michael Baum
2022-02-22 12:48 ` [PATCH 2/5] doc: replace broken links in " Michael Baum
2022-02-22 12:48 ` [PATCH 3/5] doc: correct name of BlueField-2 " Michael Baum
2022-02-22 12:48 ` [PATCH 4/5] doc: add shared guide for mlx5 PMDs Michael Baum
2022-02-22 12:48 ` [PATCH 5/5] doc: update doorbell mapping parameter name in mlx5 guide Michael Baum
2022-02-22 14:43 ` [PATCH 0/5] refactore mlx5 guides Raslan Darawsheh
2022-02-23 13:48 ` [PATCH v2 0/5] Refactor " Michael Baum
2022-02-23 13:48 ` [PATCH v2 1/5] doc: remove obsolete explanations from mlx5 guide Michael Baum
2022-02-23 13:48 ` [PATCH v2 2/5] doc: replace broken links in " Michael Baum
2022-02-23 13:48 ` [PATCH v2 3/5] doc: correct name of BlueField-2 " Michael Baum
2022-02-23 13:48 ` [PATCH v2 4/5] doc: add shared guide for mlx5 PMDs Michael Baum
2022-02-23 13:48 ` [PATCH v2 5/5] doc: update doorbell mapping parameter name in mlx5 guide Michael Baum
2022-02-23 21:48 ` Ferruh Yigit
2022-02-25 0:01 ` Michael Baum [this message]
2022-02-25 10:21 ` Ferruh Yigit
2022-02-23 14:35 ` [PATCH v2 0/5] Refactor mlx5 guides Raslan Darawsheh
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