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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Viacheslav Ovsiienko <viacheslavo@nvidia.com>, dev@dpdk.org
Cc: rasland@nvidia.com, matan@nvidia.com, orika@nvidia.com,
	thomas@monjalon.net, akozyrev@nvidia.com, stable@dpdk.org
Subject: Re: [dpdk-dev] [dpdk-stable] [PATCH v3 1/2] net/mlx5: optimize inline mbuf freeing
Date: Wed, 27 Jan 2021 12:44:35 +0000
Message-ID: <de505791-707b-d6c8-67d7-dc080a6381fa@intel.com> (raw)
In-Reply-To: <1611335529-26503-2-git-send-email-viacheslavo@nvidia.com>

On 1/22/2021 5:12 PM, Viacheslav Ovsiienko wrote:
> The mlx5 PMD supports packet data inlining by pushing data
> to the transmit descriptor. If packet is short enough and all
> data are inline, the mbuf is not needed for data send anymore
> and can be freed.
> 
> The mbuf free was performed in the most inner loop building
> the transmit descriptors. This patch postpones the mbuf free
> transaction to the tx_burst routine exit, optimizing the loop
> and allowing the bulk freeing for the multiple mbufs in single
> pool API call.
> 
> Cc: stable@dpdk.org
> 

Hi Slava,

This patch is optimization for inline mbufs, right, it is not a fix, should it 
be backported?

cc'ed LTS maintainers.

I am dropping the stable to for now in the next-net, can add it later based on 
discussion result.

> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>


  reply	other threads:[~2021-01-27 12:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 17:14 [dpdk-dev] [PATCH 0/2] net/mlx5: add mbuf fast free Tx offload Viacheslav Ovsiienko
2020-12-18 17:14 ` [dpdk-dev] [PATCH 1/2] net/mlx5: optimize inline mbuf freeing Viacheslav Ovsiienko
2020-12-18 17:14 ` [dpdk-dev] [PATCH 2/2] net/mlx5: add mbuf fast free offload support Viacheslav Ovsiienko
2020-12-18 17:59   ` Thomas Monjalon
2021-01-06  8:34 ` [dpdk-dev] [PATCH v2 0/2] " Viacheslav Ovsiienko
2021-01-06  8:34   ` [dpdk-dev] [PATCH v2 1/2] net/mlx5: optimize inline mbuf freeing Viacheslav Ovsiienko
2021-01-06  8:34   ` [dpdk-dev] [PATCH v2 2/2] net/mlx5: add mbuf fast free offload support Viacheslav Ovsiienko
2021-01-22 17:12 ` [dpdk-dev] [PATCH v3 0/2] " Viacheslav Ovsiienko
2021-01-22 17:12   ` [dpdk-dev] [PATCH v3 1/2] net/mlx5: optimize inline mbuf freeing Viacheslav Ovsiienko
2021-01-27 12:44     ` Ferruh Yigit [this message]
2021-01-27 12:48       ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2021-01-28  9:14       ` Slava Ovsiienko
2021-01-28  9:34         ` Thomas Monjalon
2021-01-22 17:12   ` [dpdk-dev] [PATCH v3 2/2] net/mlx5: add mbuf fast free offload support Viacheslav Ovsiienko
2021-01-26 10:34   ` [dpdk-dev] [PATCH v3 0/2] " Matan Azrad
2021-01-27  9:31   ` Raslan Darawsheh

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