Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Thu, 29 Sep 2022 00:04:02 -0700 you wrote:
> From: Martin KaFai Lau <martin.lau@xxxxxxxxxx>
>
> The struct_ops is sharing the tracing-trampoline's enter/exit
> function which tracks prog->active to avoid recursion. It turns
> out the struct_ops bpf prog will hit this prog->active and
> unnecessarily skipped running the struct_ops prog. eg. The
> '.ssthresh' may run in_task() and then interrupted by softirq
> that runs the same '.ssthresh'.
>
> [...]
Here is the summary with links:
- [v3,bpf-next,1/5] bpf: Add __bpf_prog_{enter,exit}_struct_ops for struct_ops trampoline
https://git.kernel.org/bpf/bpf-next/c/64696c40d03c
- [v3,bpf-next,2/5] bpf: Move the "cdg" tcp-cc check to the common sol_tcp_sockopt()
https://git.kernel.org/bpf/bpf-next/c/37cfbe0bf2e8
- [v3,bpf-next,3/5] bpf: Refactor bpf_setsockopt(TCP_CONGESTION) handling into another function
https://git.kernel.org/bpf/bpf-next/c/1e7d217faa11
- [v3,bpf-next,4/5] bpf: tcp: Stop bpf_setsockopt(TCP_CONGESTION) in init ops to recur itself
https://git.kernel.org/bpf/bpf-next/c/061ff040710e
- [v3,bpf-next,5/5] selftests/bpf: Check -EBUSY for the recurred bpf_setsockopt(TCP_CONGESTION)
https://git.kernel.org/bpf/bpf-next/c/3411c5b6f8d6
You are awesome, thank you!
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