patches for DPDK stable branches
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From: Bruce Richardson <>
To: Kevin Laatz <>
Subject: Re: [dpdk-stable] [PATCH] raw/ioat: fix missing ring pointer reset
Date: Thu, 17 Jun 2021 15:21:22 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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 <>
> ---
To catch more of these reconfigure issues, we should look to add an
appropriate unit test.

Acked-by: Bruce Richardson <>

  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   ` Thomas Monjalon

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