linux-kernel - Re: [PATCH net] net: lapbether: Remove netif_start_queue / netif_stop

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Date:   Wed, 10 Mar 2021 00:10:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Xie He <xie.he.0141@...il.com>
Cc:     ms@....tdt.de, davem@...emloft.net, kuba@...nel.org,
        linux-x25@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: lapbether: Remove netif_start_queue /
 netif_stop_queue

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Sun,  7 Mar 2021 03:33:07 -0800 you wrote:
> For the devices in this driver, the default qdisc is "noqueue",
> because their "tx_queue_len" is 0.
> 
> In function "__dev_queue_xmit" in "net/core/dev.c", devices with the
> "noqueue" qdisc are specially handled. Packets are transmitted without
> being queued after a "dev->flags & IFF_UP" check. However, it's possible
> that even if this check succeeds, "ops->ndo_stop" may still have already
> been called. This is because in "__dev_close_many", "ops->ndo_stop" is
> called before clearing the "IFF_UP" flag.
> 
> [...]

Here is the summary with links:
  - [net] net: lapbether: Remove netif_start_queue / netif_stop_queue
    https://git.kernel.org/netdev/net/c/f7d9d4854519

You are awesome, thank you!
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