Re: [ovs-dev] [PATCH net v2] openvswitch: meter: fix race when getting now_ms.
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From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-05-13 23:00:15
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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!
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