From patchwork Tue Jul 23 01:28:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matteo Croce X-Patchwork-Id: 13739272 Received: from mail-lj1-f180.google.com (mail-lj1-f180.google.com [209.85.208.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4CBC9130AC8; Tue, 23 Jul 2024 01:28:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721698127; cv=none; b=cHF16ncLRr+Cvzwxt2r/1nCJZTwjNgKXcVnZYJcNLiPhrXIry8APWJyhQYM1c861QZA3ZBROEMnlFEWY5jDNy2shaaEPqh5DS5/gD1ntB4NJn+kfvgeo+N/vK0lo+1Dfmx+/yV36+ECGSi6lLT1VMERTk1FvUfO+BaKhcgJxsaw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721698127; c=relaxed/simple; bh=SQ2IEf6uLbp6ip3VzFb1HBH6eJI/KPdxvaQkO5d7/N4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KoDposVd6xDO2b6vCv11ralbMkmPYIHo8H/WhHWJvUELwcWmPzkYOB2bP/Mf8rbZzEng2d8xEDUtw3TgCo9vkWVnpXnROTi2rrlHFOE0cBDtGkM8uI3R9s4YywqSNqJtHzmL46Mz9fHyrBWa4ZP76OWS6hj1DOnK4daK72HuXp8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=kAzNvmQh; arc=none smtp.client-ip=209.85.208.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kAzNvmQh" Received: by mail-lj1-f180.google.com with SMTP id 38308e7fff4ca-2eecd2c6432so72488501fa.3; Mon, 22 Jul 2024 18:28:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721698123; x=1722302923; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4neOAOvc/P0MwJqYTyLb2Lt2JFbT6AmM7NbvKiw+YxI=; b=kAzNvmQhWpIigg/UZDCXisK2hZLzuBxOS/IWc0hu2x+ofkJKjl3TV7246fli50T+x4 XBWbxjURcJCRIYM6Owhg3K/0nFYwF1JQm0hDqabYz3s0wrRvKF1ugpSssbe8Fsy7kX7x w5voVcPiMjbIVln9cDfaNLTJxoa8GhWZK4wF820X1Hpe0zxAjBEdLhVYrEHxDbpb3OaT rBurU+0wys94SrYyy9eC6Edj2XJJGErPrQsMPngIph54jMBwmSc5GnC/PUo2ARmPMcnD NQTeq6OMzltnaTQqFtCWK0bTCYtT6xNov4OZ1PfX9ekfAjuxZSm1YGMO1pmknS8jKcVR oyag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721698123; x=1722302923; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4neOAOvc/P0MwJqYTyLb2Lt2JFbT6AmM7NbvKiw+YxI=; b=jIaGjQ0gqxhZxLydMHFk5PRduxe+PucU0NBU4zgHHQwqAQqajN82qQH1ACxyey/GfR MHlUy6urE431K5m5UzL+mdGDv8vhd8JLGq2n5REHpjieM2ZRaG9aPW1WW6EqBeSZT9kv zUxgETbMfpZppsn9x7ixOCxxYo8GbcZeGgrQ+8DDjAf7DWUYk33JlpsNX5iXgrkaVmO4 uZw6ZvSYEaesmClf/cps4/Y6x1hCFvDiIONQ6smm5HdQJ5MuHpREpo4Vbh2qSl2qHiYY Y/+tlwFG12w9Hml/pcCPZqmFITvS7exgyaBje9DLYHRBBA9d7KTxXAeZoaY07yvFPiQP TZiA== X-Forwarded-Encrypted: i=1; AJvYcCV61in7AIJHeO2Cx/zbUhQNohqpKBxkndP3OYDavsybOQTHheFoyiq0/i3k2WJK2jeGHvC23oR9gcloEWkkREcxrUZlh+Enr2mBkzJzrQonaSV0J7Kfb/kFAfPbLiLd8bTM3N0EefF6 X-Gm-Message-State: AOJu0Yy+F122ak56BzSsY0xUHeMmJbvMvUxVAbSmnagGmnIQSOHADZzn JtWCnz/IMq5WhulPhnWSsDwsz8JAHjnp2i1iS0tVop5wS9qSV7Jk X-Google-Smtp-Source: AGHT+IGdZz22bCtlmaWj0785V4Ked6hpxrQ8/xVksAey/DHb1sLF5mQABKu/Nk03eDuJlaMebbr8zQ== X-Received: by 2002:a2e:84ca:0:b0:2ee:8f3d:e68d with SMTP id 38308e7fff4ca-2ef1685d099mr78962171fa.44.1721698123225; Mon, 22 Jul 2024 18:28:43 -0700 (PDT) Received: from lenovo.teknoraver.net (net-93-66-31-10.cust.vodafonedsl.it. [93.66.31.10]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a7a8f3a47d2sm31435366b.81.2024.07.22.18.28.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jul 2024 18:28:42 -0700 (PDT) From: technoboy85@gmail.com To: Alexei Starovoitov , Daniel Borkmann , Steven Rostedt , Masami Hiramatsu , bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Matteo Croce Subject: [PATCH bpf-next v2 1/2] bpf: enable generic kfuncs for BPF_CGROUP_* programs Date: Tue, 23 Jul 2024 03:28:26 +0200 Message-ID: <20240723012827.13280-2-technoboy85@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240723012827.13280-1-technoboy85@gmail.com> References: <20240723012827.13280-1-technoboy85@gmail.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Matteo Croce These kfuncs are enabled even in BPF_PROG_TYPE_TRACING, so they should be safe also in BPF_CGROUP_* programs. Signed-off-by: Matteo Croce Acked-by: Andrii Nakryiko --- kernel/bpf/helpers.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index b5f0adae8293..23b782641077 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -3051,6 +3051,12 @@ static int __init kfunc_init(void) ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_XDP, &generic_kfunc_set); ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_STRUCT_OPS, &generic_kfunc_set); ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_SYSCALL, &generic_kfunc_set); + ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SKB, &generic_kfunc_set); + ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCK, &generic_kfunc_set); + ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_DEVICE, &generic_kfunc_set); + ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCK_ADDR, &generic_kfunc_set); + ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SYSCTL, &generic_kfunc_set); + ret = ret ?: register_btf_kfunc_id_set(BPF_PROG_TYPE_CGROUP_SOCKOPT, &generic_kfunc_set); ret = ret ?: register_btf_id_dtor_kfuncs(generic_dtors, ARRAY_SIZE(generic_dtors), THIS_MODULE);