DPDK patches and discussions
 help / color / mirror / Atom feed
From: Bruce Richardson <bruce.richardson@intel.com>
To: Kevin Laatz <kevin.laatz@intel.com>
Cc: dev@dpdk.org, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] raw/ioat: fix missing ring pointer reset
Date: Thu, 17 Jun 2021 15:21:22 +0100	[thread overview]
Message-ID: <YMtaYk5ZZVRaKxD8@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <20210617141815.93367-1-kevin.laatz@intel.com>

On Thu, Jun 17, 2021 at 02:18:15PM +0000, Kevin Laatz wrote:
> In the event of a device reconfigure, "hdls_avail" is not being reset. This
> can lead to miscalculations in rte_ioat_completed_ops(), causing the
> function to report an incorrect amount of completed operations. This patch
> fixes the issue by resetting "hdls_avail" during the device configure.
> 
> Fixes: 74464005a2af ("raw/ioat: rework SW ring layout")
> 
> Signed-off-by: Kevin Laatz <kevin.laatz@intel.com>
> ---
To catch more of these reconfigure issues, we should look to add an
appropriate unit test.

Acked-by: Bruce Richardson <bruce.richardson@intel.com>

  reply	other threads:[~2021-06-17 14:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-17 14:18 Kevin Laatz
2021-06-17 14:21 ` Bruce Richardson [this message]
2021-06-22 21:12   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon

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=YMtaYk5ZZVRaKxD8@bricha3-MOBL.ger.corp.intel.com \
    --to=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=kevin.laatz@intel.com \
    --cc=stable@dpdk.org \
    /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).