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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 9664EC43144 for ; Wed, 27 Jun 2018 14:08:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5A36122B51 for ; Wed, 27 Jun 2018 14:08:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A36122B51 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965378AbeF0OIn (ORCPT ); Wed, 27 Jun 2018 10:08:43 -0400 Received: from mx2.suse.de ([195.135.220.15]:37993 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965209AbeF0OIj (ORCPT ); Wed, 27 Jun 2018 10:08:39 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext-too.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 42071AFC8; Wed, 27 Jun 2018 14:08:38 +0000 (UTC) From: Petr Mladek To: Sergey Senozhatsky , Steven Rostedt Cc: Peter Zijlstra , Tetsuo Handa , Sergey Senozhatsky , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Petr Mladek Subject: [PATCH v2 2/3] printk: Create helper function to queue deferred console handling Date: Wed, 27 Jun 2018 16:08:16 +0200 Message-Id: <20180627140817.27764-3-pmladek@suse.com> X-Mailer: git-send-email 2.13.7 In-Reply-To: <20180627140817.27764-1-pmladek@suse.com> References: <20180627140817.27764-1-pmladek@suse.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is just a preparation step. The patch does not change the existing behavior. Signed-off-by: Petr Mladek --- kernel/printk/printk.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index a844c611b17c..5105ad9c5eb8 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2887,16 +2887,20 @@ void wake_up_klogd(void) preempt_enable(); } -int vprintk_deferred(const char *fmt, va_list args) +void defer_console(void) { - int r; - - r = vprintk_emit(0, LOGLEVEL_SCHED, NULL, 0, fmt, args); - preempt_disable(); __this_cpu_or(printk_pending, PRINTK_PENDING_OUTPUT); irq_work_queue(this_cpu_ptr(&wake_up_klogd_work)); preempt_enable(); +} + +int vprintk_deferred(const char *fmt, va_list args) +{ + int r; + + r = vprintk_emit(0, LOGLEVEL_SCHED, NULL, 0, fmt, args); + defer_console(); return r; } -- 2.13.7