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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q28-20020a635c1c000000b00519cded0624si721418pgb.899.2023.04.18.14.40.10; Tue, 18 Apr 2023 14:40:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=txCks2cQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232733AbjDRV2O (ORCPT + 99 others); Tue, 18 Apr 2023 17:28:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232194AbjDRV2L (ORCPT ); Tue, 18 Apr 2023 17:28:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74FA6D329 for ; Tue, 18 Apr 2023 14:28:00 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id F15C46394E for ; Tue, 18 Apr 2023 21:27:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27CECC433EF; Tue, 18 Apr 2023 21:27:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1681853279; bh=KHENKxaF55SQBliT/mpnTGG5cuTM0pkWpkCrg3hcaZI=; h=From:To:Cc:Subject:Date:From; b=txCks2cQ+CUtoBAX6cM++h3A0wEt6SCndJG3vAuJ9ZAl9C2X4UD6ZxqvFPUBaf5BC BpXJ7ShyHv82arUH7S14OoEi63QuTI7RibwXl1OKCGXmrOiGYxU0M2PSVXNA6MSwDf FGp2Bnw5UnV3vgxiYi/jnOpDlf+bOj7FW6FhT+YQW8covPvnDJrySNvrnM9DOv3hkp tKGCYcpqF1yE//XLV/oYJTFpkJ4LaTjKE43i8newu1gE/aYqmO3TNTXvrlbzKmUVxY vWei9pCKFcXZtzxLM1CUc34OrZQeoI6dooXuHIojQR9+mNCMLCiXCC9sYwY3abLmtD Q2HIn6MHjaxIQ== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Miroslav Benes , Nick Desaulniers Subject: [PATCH v3 0/8] objtool: warning improvements Date: Tue, 18 Apr 2023 14:27:46 -0700 Message-Id: X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-type: text/plain X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1763551766990367897?= X-GMAIL-MSGID: =?utf-8?q?1763551766990367897?= v3: - dropped merged patches and rebased on tip/objtool/core - moved list of noreturn functions to separate file - improved WARN_INSN() to do single evaluation of insn arg Josh Poimboeuf (8): objtool: Limit unreachable warnings to once per function objtool: Add verbose option for disassembling affected functions objtool: Include backtrace in verbose mode objtool: Detect missing __noreturn annotations objtool: Ignore exc_double_fault() __noreturn warnings objtool: Remove superfluous global_noreturns entries tools/lib/subcmd: Replace NORETURN usage with __noreturn objtool: Move noreturn function list to separate file tools/lib/subcmd/parse-options.h | 8 +- tools/lib/subcmd/subcmd-util.h | 5 +- tools/objtool/Documentation/objtool.txt | 10 ++ tools/objtool/builtin-check.c | 5 + tools/objtool/check.c | 195 ++++++++++++++++-------- tools/objtool/include/objtool/builtin.h | 1 + tools/objtool/include/objtool/elf.h | 1 + tools/objtool/include/objtool/warn.h | 21 ++- tools/objtool/noreturns.h | 45 ++++++ 9 files changed, 214 insertions(+), 77 deletions(-) create mode 100644 tools/objtool/noreturns.h Reviewed-by: Miroslav Benes