From: Raslan Darawsheh <rasland@nvidia.com>
To: "Jiawei(Jonny) Wang" <jiaweiw@nvidia.com>,
Matan Azrad <matan@nvidia.com>, Ori Kam <orika@nvidia.com>,
Slava Ovsiienko <viacheslavo@nvidia.com>,
NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
Suanming Mou <suanmingm@nvidia.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH 1/2] net/mlx5: fix age action pool protection
Date: Tue, 2 Nov 2021 08:09:19 +0000 [thread overview]
Message-ID: <DM4PR12MB53123671933C3FC0B9EB6E7DCF8B9@DM4PR12MB5312.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20211101063040.25303-1-jiaweiw@nvidia.com>
Hi,
> -----Original Message-----
> From: Jiawei(Jonny) Wang <jiaweiw@nvidia.com>
> Sent: Monday, November 1, 2021 8:31 AM
> To: Matan Azrad <matan@nvidia.com>; Ori Kam <orika@nvidia.com>; Slava
> Ovsiienko <viacheslavo@nvidia.com>; NBU-Contact-Thomas Monjalon
> <thomas@monjalon.net>; Suanming Mou <suanmingm@nvidia.com>
> Cc: dev@dpdk.org; Raslan Darawsheh <rasland@nvidia.com>;
> stable@dpdk.org
> Subject: [PATCH 1/2] net/mlx5: fix age action pool protection
>
> The age action with flows creation could be supported on the multiple
> threads. The age pools were created to manage the age resources, if
> there is no room in the current pool then resize the age pool to the new
> pool size and free the old one.
>
> There's a race condition while one thread resizes the age pool and the
> old pool resource be freed, and another thread query the age action
> value of the old pool so the queried value is invalid.
>
> This patch uses the read-write lock to protect the pool resource while
> resizing and query.
>
> Fixes: a5835d530f00 ("net/mlx5: optimize Rx queue match")
> Cc: stable@dpdk.org
>
> Signed-off-by: Jiawei Wang <jiaweiw@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>
Series applied to next-net-mlx,
Kindest regards,
Raslan Darawsheh
prev parent reply other threads:[~2021-11-02 8:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-01 6:30 Jiawei Wang
2021-11-01 6:30 ` [dpdk-stable] [PATCH 2/2] net/mlx5: fix meter " Jiawei Wang
2021-11-02 8:09 ` Raslan Darawsheh [this message]
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