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From: patchwork-bot+netdevbpf@kernel.org
To: Sankararaman Jayaraman <sankararaman.jayaraman@broadcom.com>
Cc: netdev@vger.kernel.org, kuba@kernel.org, alexanderduyck@fb.com,
	alexandr.lobakin@intel.com, andrew+netdev@lunn.ch,
	ast@kernel.org, bcm-kernel-feedback-list@broadcom.com,
	bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net,
	edumazet@google.com, hawk@kernel.org, john.fastabend@gmail.com,
	pabeni@redhat.com, ronak.doshi@broadcom.com, u9012063@gmail.com
Subject: Re: [PATCH net v3] vmxnet3: Fix tx queue race condition with XDP
Date: Sun, 02 Feb 2025 02:20:34 +0000	[thread overview]
Message-ID: <173846283402.2039246.14501879360913154651.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20250131042340.156547-1-sankararaman.jayaraman@broadcom.com>

Hello:

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

On Fri, 31 Jan 2025 09:53:41 +0530 you wrote:
> If XDP traffic runs on a CPU which is greater than or equal to
> the number of the Tx queues of the NIC, then vmxnet3_xdp_get_tq()
> always picks up queue 0 for transmission as it uses reciprocal scale
> instead of simple modulo operation.
> 
> vmxnet3_xdp_xmit() and vmxnet3_xdp_xmit_frame() use the above
> returned queue without any locking which can lead to race conditions
> when multiple XDP xmits run in parallel on different CPU's.
> 
> [...]

Here is the summary with links:
  - [net,v3] vmxnet3: Fix tx queue race condition with XDP
    https://git.kernel.org/netdev/net/c/3f1baa91a1fd

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2025-02-02  2:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-31  4:23 [PATCH net v3] vmxnet3: Fix tx queue race condition with XDP Sankararaman Jayaraman
2025-01-31  9:23 ` Simon Horman
2025-02-02  2:20 ` patchwork-bot+netdevbpf [this message]

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