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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDEA5C12002 for ; Wed, 14 Jul 2021 21:21:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A4603613D0 for ; Wed, 14 Jul 2021 21:21:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235533AbhGNVYp (ORCPT ); Wed, 14 Jul 2021 17:24:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230361AbhGNVYo (ORCPT ); Wed, 14 Jul 2021 17:24:44 -0400 Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7855AC061762 for ; Wed, 14 Jul 2021 14:21:52 -0700 (PDT) Received: by mail-ed1-x536.google.com with SMTP id t3so5079667edc.7 for ; Wed, 14 Jul 2021 14:21:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=8/bc9o6ImRq3WEIe9Pdfc2k5usBIjCoRIS0Uvdw4IE8=; b=OB5guEjh4blJ03UGIxA5YrZ1GM+4ucO9v42uHL04xI0hmlnYvupb69rBZ94lGhwaLN GzwP1+g/7AWLfBlPBY7GLfcTq3niHbf0x9Vfb/nqmhnrZpvcXnqgZu72lWFXXuVVjdqk PqIcgOrpOVJyVAiEoGqqT1ls7z+iKiH+w8OAcSf+K5pIXrPLh4vOy1FhxnK9BK448+ca fG2QZnBB2U1UB+wT/0HgoNhd6+77abZoWHUYfQc7AO0T4rBH3FptbiI34yHwrhJb5WE+ 3efM2lLRLBzeRKSaDhFCypq6vX2SY0PkcN43tnXQw9EPagnjuUNvIdowyfQeDZQiahSn iEmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=8/bc9o6ImRq3WEIe9Pdfc2k5usBIjCoRIS0Uvdw4IE8=; b=itjY2siX1l/1Yu7zHwX01u6tSkRcPRMrFhIjZONtTbUQreqp6pPp08RhsJrSS4gtxq gZUhgvM6VYYn3uh3uRCmKw3QQSaMqnj0An0uqAUYfzM9Cn5dK9w3oWdVv3SA0Ya85QiK JDT9pJkJBuMZiuKzt8pgSifOKV5i8dxQavMzaeUPcG2hh1HmhjMi7HLCk6gViKzuMvlG +gR+2hqRiELIxVhytm/PNPEkzFkgmF9t3vEYf3GfkHNDKvzyWCWnpPCkp4yAGtPup3rr WJM45hYwRYvPWzaXiF/kDXRi2tEJ7zOKvel0nj7GIPdtMKD87JaZtAxRGLJySwwvdV4b JQZA== X-Gm-Message-State: AOAM532mCDptRKkIRFdpG5qJ7yQ1Upi3DsuTLC4+rmlsOCuJGZ8W2M3a HxyX+HUq2FT06Vj29mS/oA== X-Google-Smtp-Source: ABdhPJzxDcNA1vDLPluaKS09JMmHXY1TArRbW7zFH5yNLFMmeI+/XmglxvkN6FU0FGGrUjjc/wmHFw== X-Received: by 2002:a05:6402:1001:: with SMTP id c1mr505002edu.26.1626297711114; Wed, 14 Jul 2021 14:21:51 -0700 (PDT) Received: from localhost.localdomain ([46.53.254.76]) by smtp.gmail.com with ESMTPSA id c28sm1171664ejc.102.2021.07.14.14.21.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jul 2021 14:21:50 -0700 (PDT) Date: Thu, 15 Jul 2021 00:21:49 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] sched: mark do_group_exit() as noreturn Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org do_group_exit() calls do_exit() which doesn't return. Signed-off-by: Alexey Dobriyan --- include/linux/sched/task.h | 2 +- kernel/exit.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -77,7 +77,7 @@ static inline void exit_thread(struct task_struct *tsk) { } #endif -extern void do_group_exit(int); +__noreturn void do_group_exit(int); extern void exit_files(struct task_struct *); extern void exit_itimers(struct signal_struct *); --- a/kernel/exit.c +++ b/kernel/exit.c @@ -895,8 +895,8 @@ SYSCALL_DEFINE1(exit, int, error_code) * Take down every thread in the group. This is called by fatal signals * as well as by sys_exit_group (below). */ -void -do_group_exit(int exit_code) +__noreturn +void do_group_exit(int exit_code) { struct signal_struct *sig = current->signal;