From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56C3519CC15; Wed, 11 Sep 2024 17:30:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726075832; cv=none; b=sBBB4wdR8Uvz/N8IMi1nsKHPH+b4W8O1+7EVEu49IBlVI7W/xwy3bEz/oIV+mdWw+43iZeAraFTQSRP3SKkWYnHKX9Osy0iJerWTWtt7wOwHf5Ob6jvjII5iyX5xRyupswN+UYruOaJGkNE9dM86J3YuZkO/pjjVGtIMOuCDLMU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726075832; c=relaxed/simple; bh=c3HlCa0MZz9c3Y32yBjg1oCfbAppYtUD2omXcGpxbwc=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=gj5oXB8+6AvQSwe2ARwo/+fI7r9P7VqlQgRrqPBnIf0DLua5Xu/7Atv6u4eZDjtbhRcs9K1fLvCFALsbkO39SY+/uICoy8uhCwXbSejucO86wQaZbZgig9JXBfQbHZjxfiQPa9Dq/kdzn5rpiiyHRUpJzu5GLY0YR63hgJgY0oE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LkSviR1T; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LkSviR1T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC93DC4CEC0; Wed, 11 Sep 2024 17:30:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726075831; bh=c3HlCa0MZz9c3Y32yBjg1oCfbAppYtUD2omXcGpxbwc=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=LkSviR1T4TCfnNX7pbwsMF56XJprFfWWCdn73A1c2i4jQnuxYXlympy+O/zn4lvC9 bbWMuBbW9ATm+ZcrVJm5br3zMcBZJbklJjDkIqbny3obqMF0dkc8i2rDb/aLLnRiKr GygstytR99bLMVWLzJAgyMYNgL3xdEnR1vW7kK03I+Zb8kp4mZUISrgiBYLJ4mni1Z px0OicMhvrZpqcCs1BoUH8kiJixiZAAw/gZgNrL9DcN1/nHqbRwu2ud4hlolNniPuv R6bYuelfmTXDaQPgPHDbZ5lh6viZZHifvgH5WY27xd0IDlQR0mbQgLBtobkmtPsJtu 3ZoRAug7T5gKQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EB0363806656; Wed, 11 Sep 2024 17:30:33 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v3 0/5] bpf: Allow skb dynptr for tp_btf From: patchwork-bot+netdevbpf@kernel.org Message-Id: <172607583276.994220.12802097721316207371.git-patchwork-notify@kernel.org> Date: Wed, 11 Sep 2024 17:30:32 +0000 References: <20240911033719.91468-1-lulie@linux.alibaba.com> In-Reply-To: <20240911033719.91468-1-lulie@linux.alibaba.com> To: Philo Lu Cc: bpf@vger.kernel.org, edumazet@google.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, martin.lau@linux.dev, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, eddyz87@gmail.com, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, mykolal@fb.com, shuah@kernel.org, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, thinker.li@gmail.com, juntong.deng@outlook.com, jrife@google.com, alan.maguire@oracle.com, davemarchevsky@fb.com, dxu@dxuuu.xyz, vmalik@redhat.com, cupertino.miranda@oracle.com, mattbobrowski@google.com, xuanzhuo@linux.alibaba.com, netdev@vger.kernel.org, linux-trace-kernel@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (net) by Martin KaFai Lau : On Wed, 11 Sep 2024 11:37:14 +0800 you wrote: > This makes bpf_dynptr_from_skb usable for tp_btf, so that we can easily > parse skb in tracepoints. This has been discussed in [0], and Martin > suggested to use dynptr (instead of helpers like bpf_skb_load_bytes). > > For safety, skb dynptr shouldn't be used in fentry/fexit. This is achieved > by add KF_TRUSTED_ARGS flag in bpf_dynptr_from_skb defination, because > pointers passed by tracepoint are trusted (PTR_TRUSTED) while those of > fentry/fexit are not. > > [...] Here is the summary with links: - [bpf-next,v3,1/5] bpf: Support __nullable argument suffix for tp_btf https://git.kernel.org/bpf/bpf-next/c/8aeaed21befc - [bpf-next,v3,2/5] selftests/bpf: Add test for __nullable suffix in tp_btf https://git.kernel.org/bpf/bpf-next/c/2060f07f861a - [bpf-next,v3,3/5] tcp: Use skb__nullable in trace_tcp_send_reset https://git.kernel.org/bpf/bpf-next/c/edd3f6f7588c - [bpf-next,v3,4/5] bpf: Allow bpf_dynptr_from_skb() for tp_btf https://git.kernel.org/bpf/bpf-next/c/ffc83860d8c0 - [bpf-next,v3,5/5] selftests/bpf: Expand skb dynptr selftests for tp_btf https://git.kernel.org/bpf/bpf-next/c/83dff601715b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html