From: patchwork-bot+netdevbpf@kernel.org
To: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
live-patching@vger.kernel.org, ast@kernel.org,
daniel@iogearbox.net, andrii@kernel.org, rostedt@goodmis.org,
andrey.grodzovsky@crowdstrike.com, mhiramat@kernel.org,
kernel-team@meta.com, olsajiri@gmail.com
Subject: Re: [PATCH v4 bpf 0/3] Fix ftrace for livepatch + BPF fexit programs
Date: Tue, 04 Nov 2025 01:40:09 +0000 [thread overview]
Message-ID: <176222040973.2285814.7620331983451064735.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20251027175023.1521602-1-song@kernel.org>
Hello:
This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Mon, 27 Oct 2025 10:50:20 -0700 you wrote:
> livepatch and BPF trampoline are two special users of ftrace. livepatch
> uses ftrace with IPMODIFY flag and BPF trampoline uses ftrace direct
> functions. When livepatch and BPF trampoline with fexit programs attach to
> the same kernel function, BPF trampoline needs to call into the patched
> version of the kernel function.
>
> 1/3 and 2/3 of this patchset fix two issues with livepatch + fexit cases,
> one in the register_ftrace_direct path, the other in the
> modify_ftrace_direct path.
>
> [...]
Here is the summary with links:
- [v4,bpf,1/3] ftrace: Fix BPF fexit with livepatch
https://git.kernel.org/bpf/bpf/c/56b3c85e153b
- [v4,bpf,2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct()
https://git.kernel.org/bpf/bpf/c/3e9a18e1c3e9
- [v4,bpf,3/3] selftests/bpf: Add tests for livepatch + bpf trampoline
https://git.kernel.org/bpf/bpf/c/62d2d0a33839
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2025-11-04 1:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-27 17:50 [PATCH v4 bpf 0/3] Fix ftrace for livepatch + BPF fexit programs Song Liu
2025-10-27 17:50 ` [PATCH v4 bpf 1/3] ftrace: Fix BPF fexit with livepatch Song Liu
2025-10-27 17:50 ` [PATCH v4 bpf 2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct() Song Liu
2025-10-27 17:50 ` [PATCH v4 bpf 3/3] selftests/bpf: Add tests for livepatch + bpf trampoline Song Liu
2025-11-01 0:19 ` [PATCH v4 bpf 0/3] Fix ftrace for livepatch + BPF fexit programs Alexei Starovoitov
2025-11-01 13:11 ` Steven Rostedt
2025-11-02 23:39 ` Steven Rostedt
2025-11-04 1:40 ` patchwork-bot+netdevbpf [this message]
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