From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E064C433EF for ; Fri, 4 Mar 2022 22:47:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230045AbiCDWr5 (ORCPT ); Fri, 4 Mar 2022 17:47:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230058AbiCDWr4 (ORCPT ); Fri, 4 Mar 2022 17:47:56 -0500 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A93AC486C; Fri, 4 Mar 2022 14:47:08 -0800 (PST) Received: by mail-pj1-x1043.google.com with SMTP id m22so8521004pja.0; Fri, 04 Mar 2022 14:47:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dDVQJ3Fq8NBV53TAXzlYHtLwOtwjE+voGwaucY4wx34=; b=cQX4egJFr/UsT0MoFjqn+ZGXBkeVx59n5M7Ak3uOP5xVpGX819Uo0iBwThR9nI+vyb +OTmF/ldolII50OaGanOHWb1t2B9h7HPlXBwWM1Noi4Qoa+RCsbRuAgJOvOjNhsREpm2 jV3GS375sYtDnjFV2RjaNcZj4ktFQZZOvebDV7k3CmJ0ZWkBrGWdjq3TE0aFNTSQSQbs 5oFyH8xsxfDumWwgby0z6neAO+PdnZdfqGdcy6acPEEuI6ahjMQ5B5itnWBo71SkmKoF e3ZIihmUfwQzOBzj48QbYPJz6TQx5FRGu9ul/CzNH5RCvRAJTgH0cfYQaM3ppCX304bW HRdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=dDVQJ3Fq8NBV53TAXzlYHtLwOtwjE+voGwaucY4wx34=; b=QjkEIgX9OyQo9U4JuZ3+cbr4ammEZ1A3bsj2xiNqQH1OtdLNECEQfC+mmyseM87xF1 joImM0hqF2NYPZxRj3rpwbpjIsroCg632pbRSNrMJIUls2Qn48orftNtJYXhy6g7YwOj /c/xRiE58mkSvKze7/Xj1Mxd61t6ihRG9qG6V07fvKfpKQZdjjlADsYEIsWk1fIOETnz vzxOxC+S5RPcuZLmbZX91SkUPAuifyc7xPMNYvAqRDf0ve1OY39/KtYxsTe5YZ0QC1vs 7zk2vLDwvn2oTTiq/+6yy/Fs/yuGP86KzynVJBqtp8n8ITHTaXa0B9yWbJxqpYjaVeNY q1gg== X-Gm-Message-State: AOAM532fKe8ypdK/eMEHmyAcpU2YQ47ZTTFJ2vDErhI4sfqQw6lvqzYH zBPNDsEVxAVoJVdyGITOHvfrvODtxas= X-Google-Smtp-Source: ABdhPJxJDfGIuGe0xXShNIHDKj9nAksfu8yRx93btMTez2Lr5r24NNvWeaj4gtev66dGAU407XmGKQ== X-Received: by 2002:a17:90b:4d8a:b0:1be:f63c:3dcc with SMTP id oj10-20020a17090b4d8a00b001bef63c3dccmr12923373pjb.133.1646434027642; Fri, 04 Mar 2022 14:47:07 -0800 (PST) Received: from localhost ([2405:201:6014:d0c0:6243:316e:a9e1:adda]) by smtp.gmail.com with ESMTPSA id o11-20020a056a0015cb00b004ce19332265sm7139105pfu.34.2022.03.04.14.47.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Mar 2022 14:47:07 -0800 (PST) From: Kumar Kartikeya Dwivedi To: bpf@vger.kernel.org Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , linux-kernel@vger.kernel.org Subject: [PATCH bpf-next v4 6/8] compiler_types.h: Add unified __diag_ignore_all for GCC/LLVM Date: Sat, 5 Mar 2022 04:16:43 +0530 Message-Id: <20220304224645.3677453-7-memxor@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220304224645.3677453-1-memxor@gmail.com> References: <20220304224645.3677453-1-memxor@gmail.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1928; h=from:subject; bh=GM32fUklsZxVmnh4SsQp2kGBKENfBpd3/E++0grOsvk=; b=owEBbQKS/ZANAwAIAUzgyIZIvxHKAcsmYgBiIpasuurNr9aPwnll4PFTLHqfDRT07+h7GF9UMqxl cR9jt+uJAjMEAAEIAB0WIQRLvip+Buz51YI8YRFM4MiGSL8RygUCYiKWrAAKCRBM4MiGSL8RymoID/ 95pTX6w/fUatq+X/t2Rg+1VTrzHVoB64CxITIqf1BoOpHmrUwxjJqn/U15VFxpVy6ZuY6A3zK9OCY/ OVynxqxvLOLQ2z9z0ZUHXTa+dybGYVMpWsSMvfcQLbZoeaPErVOVpuiPAtbiKRPKQ4qUIHHvPipKQf Df87l7AHDs6iY38OKb+blmNsqkfh5oULZfPsqRSyZmX+4WMbr4PiiElCHWaegVFR2m3gIZbWGorsuz LX4JXT3spJCVRguBMDwdWIRelznmR9kBdBCuSCIBxaM8LmPJsVR9mH1t8a3a+KIORR8eerGaS50KCt O13cDPV9Sg3KQ4woczfAcLVx2dCqPVFH3yPW2oOP3/bGJbEzKPJ6fb+c04YJpoGc/v1CXHaFm35Wet hVE4mQmEA8ITq5GiWgsMAhWyVfjmfqYomODa8ElJbiYVjiY3CvqoBIvaX/Jc7nvfDK+2wzoEdrQjdp WAUUycyTIpzl8nqBYUCc7VA+OVF/Vg8bNmXgxUs1+Az3sYqJCjC+uMudV77G9KLthzmpzUKP0mFPyc iriTeiOaPdYSyx2kCkj7QjYp73zv9Fj91cgBVrdK/jgjF94OXu3L+j8WjYy1ceiNZzv3nqjv4KA1U+ tCkQ7+sRf4n237nryAwKJEhxvS4meUOgjFvM9+QZCMdNFVlB6is3OOotfhSw== X-Developer-Key: i=memxor@gmail.com; a=openpgp; fpr=4BBE2A7E06ECF9D5823C61114CE0C88648BF11CA Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Add a __diag_ignore_all macro, to ignore warnings for both GCC and LLVM, without having to specify the compiler type and version. By default, GCC 8 and clang 11 are used. This will be used by bpf subsystem to ignore -Wmissing-prototypes warning for functions that are meant to be global functions so that they are in vmlinux BTF, but don't have a prototype. Cc: linux-kernel@vger.kernel.org Signed-off-by: Kumar Kartikeya Dwivedi --- include/linux/compiler-clang.h | 3 +++ include/linux/compiler-gcc.h | 3 +++ include/linux/compiler_types.h | 4 ++++ 3 files changed, 10 insertions(+) diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index f1aa41d520bd..babb1347148c 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -90,3 +90,6 @@ #else #define __diag_clang_11(s) #endif + +#define __diag_ignore_all(option, comment) \ + __diag_clang(11, ignore, option) diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index ccbbd31b3aae..d364c98a4a80 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -151,6 +151,9 @@ #define __diag_GCC_8(s) #endif +#define __diag_ignore_all(option, comment) \ + __diag_GCC(8, ignore, option) + /* * Prior to 9.1, -Wno-alloc-size-larger-than (and therefore the "alloc_size" * attribute) do not work, and must be disabled. diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 3f31ff400432..8e5d2f50f951 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -371,4 +371,8 @@ struct ftrace_likely_data { #define __diag_error(compiler, version, option, comment) \ __diag_ ## compiler(version, error, option) +#ifndef __diag_ignore_all +#define __diag_ignore_all(option, comment) +#endif + #endif /* __LINUX_COMPILER_TYPES_H */ -- 2.35.1