From: patchwork-bot+netdevbpf@kernel.org
To: Tao Liu <thomas.liu@ucloud.cn>
Cc: pshelar@ovn.org, dev@openvswitch.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, i.maximets@ovn.org,
jean.tourrilhes@hpe.com, kuba@kernel.org, davem@davemloft.net,
wenxu@ucloud.cn
Subject: Re: [ovs-dev] [PATCH net v2] openvswitch: meter: fix race when getting now_ms.
Date: Thu, 13 May 2021 23:00:09 +0000 [thread overview]
Message-ID: <162094680986.5074.15163998908768388322.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20210513130800.31913-1-thomas.liu@ucloud.cn>
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Thu, 13 May 2021 21:08:00 +0800 you wrote:
> We have observed meters working unexpected if traffic is 3+Gbit/s
> with multiple connections.
>
> now_ms is not pretected by meter->lock, we may get a negative
> long_delta_ms when another cpu updated meter->used, then:
> delta_ms = (u32)long_delta_ms;
> which will be a large value.
>
> [...]
Here is the summary with links:
- [ovs-dev,net,v2] openvswitch: meter: fix race when getting now_ms.
https://git.kernel.org/netdev/net/c/e4df1b0c2435
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2021-05-13 23:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-13 13:08 [ovs-dev] [PATCH net v2] openvswitch: meter: fix race when getting now_ms Tao Liu
2021-05-13 14:35 ` Ilya Maximets
2021-05-13 23:00 ` patchwork-bot+netdevbpf [this message]
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