From: patchwork-bot+netdevbpf@kernel.org
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: kuba@kernel.org, netdev@vger.kernel.org, davem@davemloft.net,
edumazet@google.com, tglx@linutronix.de
Subject: Re: [PATCH v2 net-next] net: dev: Always serialize on Qdisc::busylock in __dev_xmit_skb() on PREEMPT_RT.
Date: Mon, 13 Dec 2021 15:00:10 +0000 [thread overview]
Message-ID: <163940761081.26947.10343673170662846351.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <YbcmKeLngWW/pb1V@linutronix.de>
Hello:
This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:
On Mon, 13 Dec 2021 11:53:29 +0100 you wrote:
> The root-lock is dropped before dev_hard_start_xmit() is invoked and after
> setting the __QDISC___STATE_RUNNING bit. If the Qdisc owner is preempted
> by another sender/task with a higher priority then this new sender won't
> be able to submit packets to the NIC directly instead they will be
> enqueued into the Qdisc. The NIC will remain idle until the Qdisc owner
> is scheduled again and finishes the job.
>
> [...]
Here is the summary with links:
- [v2,net-next] net: dev: Always serialize on Qdisc::busylock in __dev_xmit_skb() on PREEMPT_RT.
https://git.kernel.org/netdev/net-next/c/64445dda9d83
You are awesome, thank you!
--
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next prev parent reply other threads:[~2021-12-13 15:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-10 15:41 [PATCH net-next] net: dev: Always serialize on Qdisc::busylock in __dev_xmit_skb() on PREEMPT_RT Sebastian Andrzej Siewior
2021-12-10 16:35 ` Paolo Abeni
2021-12-10 16:46 ` Sebastian Andrzej Siewior
2021-12-10 16:52 ` Eric Dumazet
2021-12-10 17:43 ` Sebastian Andrzej Siewior
2021-12-13 10:27 ` Paolo Abeni
2021-12-11 4:32 ` Jakub Kicinski
2021-12-13 10:45 ` Sebastian Andrzej Siewior
2021-12-13 10:53 ` [PATCH v2 " Sebastian Andrzej Siewior
2021-12-13 15:00 ` patchwork-bot+netdevbpf [this message]
2021-12-13 16:15 ` [PATCH " Jakub Kicinski
2021-12-13 16:18 ` Sebastian Andrzej Siewior
2021-12-13 16:20 ` Jakub Kicinski
2021-12-13 16:32 ` Sebastian Andrzej Siewior
2021-12-13 16:29 ` [PATCH net-next] net: dev: Change the order of the arguments for the contended condition Sebastian Andrzej Siewior
2021-12-14 12:40 ` patchwork-bot+netdevbpf
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