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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Matan Azrad <matan@nvidia.com>
Cc: dev@dpdk.org, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] vdpa/mlx5: fix completion queue assertion
Date: Fri, 18 Sep 2020 14:29:43 +0200	[thread overview]
Message-ID: <11b50fed-8656-23ac-7bc1-441904829a6b@redhat.com> (raw)
In-Reply-To: <1599035699-358487-1-git-send-email-matan@nvidia.com>



On 9/2/20 10:34 AM, Matan Azrad wrote:
> The CQ configuration enables the collapse feature in HW what cause HW to
> write all the completions in the first CQE.
> When this feature is enabled the HW doesn't switch the owner bit when it
> starts a new cycle of the CQ, not like working without the collapse
> feature.
> 
> The current SW CQ polling wrongly added an assertion to validate the
> owner bit switch what causes a panic in debug mode.
> 
> Remove the aforementioned assertion.
> 
> Fixes: c5f714e50b0e ("vdpa/mlx5: optimize completion queue poll")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Matan Azrad <matan@nvidia.com>
> Acked-by: Xueming Li <xuemingl@nvidia.com>
> ---
>  drivers/vdpa/mlx5/mlx5_vdpa_event.c | 2 --
>  1 file changed, 2 deletions(-)

Applied to dpdk-next-virtio/master.

Thanks,
Maxime


      parent reply	other threads:[~2020-09-18 12:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02  8:34 Matan Azrad
2020-09-18 10:33 ` Maxime Coquelin
2020-09-18 12:29 ` Maxime Coquelin [this message]

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