From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.2]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CA01322A4FC; Tue, 6 May 2025 06:15:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.2 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746512139; cv=none; b=r1ocGOSsQjHQAt98GyngnIjmuwReOMQCG8WVKap0iN+Lc+7P/pHqGu8BvYTPuqOIHCPxrO7IZY7mVaqX5Vvf74fTBdE/pgiMk4n1jZ1Uh8GGu/9rbZlgRcZZ+Y4BYVec11eF3G6r7GM4lyE05Pt7PbVuTQjV/t9ecFpqICljXBM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746512139; c=relaxed/simple; bh=nw1kahHre1VwEQ37NEjmJ9Mw5nfgc6IkGsb1/bQmEQQ=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=BoEqwf86OBqQqiFTSHJlQG4HW4Z4MjTnWC4y8lRo4rP0PzkLxukb5tF7cC6ibw6VViQh9elSx6fTDGlTseWYRsCQW67aFQRbBGrstZZEXHoWNTVVh1lTPLsBMQxhTI7oiaMgwrlHeBoRL6iLGwUgxnN6MPLIQGjzM5qT+WcnCuw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=JVMilv+6; arc=none smtp.client-ip=117.135.210.2 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="JVMilv+6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=Ry+u2 fa0e/nRAuyUY9cFErGjlXkzFJwMz7cC3AUA+q4=; b=JVMilv+6mMDUxUc2aePFM qsG37i86TxsSymDqQ/KDBk7hPEIhb/dSrR5ARagBM6pR0BQ7m5WV9ejw1ftkffR0 aR/dJHyp+TA/2iw93DGBcHX1mfQUCmUPiVIXkkSNN9YRPHPMnfOT5lM/mRP6XREa LEDGGK1riLKYWmf/9qhvBY= Received: from localhost.localdomain (unknown []) by gzsmtp5 (Coremail) with SMTP id QCgvCgBnylfLqBlovwXpBw--.23593S2; Tue, 06 May 2025 14:14:37 +0800 (CST) From: Feng Yang To: 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, mattbobrowski@google.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, davem@davemloft.net, tj@kernel.org Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v3 bpf-next 0/2] bpf: Allow some trace helpers for all prog types Date: Tue, 6 May 2025 14:14:32 +0800 Message-Id: <20250506061434.94277-1-yangfeng59949@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:QCgvCgBnylfLqBlovwXpBw--.23593S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7tF48Kw4rAFyxJry3Aw4DCFg_yoW8XrWUpF s3Jry3Gr1rtr17AwsxJw4Iq3WrJw4rJw17GwnrJw4rAr1UZryUJryIgr4rWryDXFy2grWr Ar1qqr1UKa4jvaDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07ja4E_UUUUU= X-CM-SenderInfo: p1dqww5hqjkmqzuzqiywtou0bp/1tbiwg9FeGgZovWwYgAAsE From: Feng Yang This series allow some trace helpers for all prog types. if it works under NMI and doesn't use any context-dependent things, should be fine for any program type. The detailed discussion is in [1]. [1] https://lore.kernel.org/all/CAEf4Bza6gK3dsrTosk6k3oZgtHesNDSrDd8sdeQ-GiS6oJixQg@mail.gmail.com/ --- Changes in v3: - cgroup_current_func_proto clean. - bpf_scx_get_func_proto clean. Thanks, Andrii Nakryiko. - Link to v2: https://lore.kernel.org/all/20250427063821.207263-1-yangfeng59949@163.com/ Changes in v2: - not expose compat probe read APIs to more program types. - Remove the prog->sleepable check added for copy_from_user, - or the summarization_freplace/might_sleep_with_might_sleep test will fail with the error "program of this type cannot use helper bpf_copy_from_user" - Link to v1: https://lore.kernel.org/all/20250425080032.327477-1-yangfeng59949@163.com/ Feng Yang (2): bpf: Allow some trace helpers for all prog types sched_ext: Remove bpf_scx_get_func_proto include/linux/bpf-cgroup.h | 8 -------- kernel/bpf/cgroup.c | 32 ----------------------------- kernel/bpf/helpers.c | 42 ++++++++++++++++++++++++++++++++++++++ kernel/sched/ext.c | 15 +------------- kernel/trace/bpf_trace.c | 41 ++++--------------------------------- net/core/filter.c | 14 ------------- 6 files changed, 47 insertions(+), 105 deletions(-) -- 2.43.0