DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Alexander Kozyrev <akozyrev@nvidia.com>
Cc: <dev@dpdk.org>, <stable@dpdk.org>, <rasland@nvidia.com>,
	<viacheslavo@nvidia.com>, <matan@nvidia.com>
Subject: Re: [PATCH] drivers: fix error CQE handling
Date: Thu, 3 Oct 2024 12:14:57 -0700	[thread overview]
Message-ID: <20241003121457.37537b40@hermes.local> (raw)
In-Reply-To: <20230502184922.3249201-1-akozyrev@nvidia.com>

On Tue, 2 May 2023 21:49:22 +0300
Alexander Kozyrev <akozyrev@nvidia.com> wrote:

> The completion queue element size can be independently configured
> to report either 64 or 128 bytes CQEs by programming cqe_sz parameter
> at CQ creation. This parameter depends on the cache line size and
> affects both regular CQEs and error CQEs. But the error handling
> assumes that an error CQE is 64 bytes and doesn't take the padding
> into consideration on platforms with 128-byte cache lines.
> Fix the error CQE size in all error handling routines in mlx5.
> 
> Fixes: 957e45fb7b ("net/mlx5: handle Tx completion with error")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Alexander Kozyrev <akozyrev@nvidia.com>

I have no idea about internals of mlx5 but the concept seems fine.
Patch needs to be rebased.

Please title it with net/mlx5 not drivers.

  reply	other threads:[~2024-10-03 19:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-02 18:49 Alexander Kozyrev
2024-10-03 19:14 ` Stephen Hemminger [this message]
2024-10-03 20:26 ` [PATCH v2] " Alexander Kozyrev

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20241003121457.37537b40@hermes.local \
    --to=stephen@networkplumber.org \
    --cc=akozyrev@nvidia.com \
    --cc=dev@dpdk.org \
    --cc=matan@nvidia.com \
    --cc=rasland@nvidia.com \
    --cc=stable@dpdk.org \
    --cc=viacheslavo@nvidia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).