linux-kernel - Re: [PATCH net] net: systemport: Add global locking for descriptor lifecycle

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Date:   Thu, 16 Dec 2021 20:51:40 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        bcm-kernel-feedback-list@...adcom.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: systemport: Add global locking for descriptor
 lifecycle

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 15 Dec 2021 12:24:49 -0800 you wrote:
> The descriptor list is a shared resource across all of the transmit queues, and
> the locking mechanism used today only protects concurrency across a given
> transmit queue between the transmit and reclaiming. This creates an opportunity
> for the SYSTEMPORT hardware to work on corrupted descriptors if we have
> multiple producers at once which is the case when using multiple transmit
> queues.
> 
> [...]

Here is the summary with links:
  - [net] net: systemport: Add global locking for descriptor lifecycle
    https://git.kernel.org/netdev/net/c/8b8e6e782456

You are awesome, thank you!
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