Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755530AbeAJNYd (ORCPT + 1 other); Wed, 10 Jan 2018 08:24:33 -0500 Received: from mx2.suse.de ([195.135.220.15]:38527 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752996AbeAJNYb (ORCPT ); Wed, 10 Jan 2018 08:24:31 -0500 From: Petr Mladek To: Steven Rostedt , Sergey Senozhatsky Cc: akpm@linux-foundation.org, linux-mm@kvack.org, Cong Wang , Dave Hansen , Johannes Weiner , Mel Gorman , Michal Hocko , Vlastimil Babka , Peter Zijlstra , Linus Torvalds , Jan Kara , Mathieu Desnoyers , Tetsuo Handa , rostedt@home.goodmis.org, Byungchul Park , Sergey Senozhatsky , Tejun Heo , Pavel Machek , linux-kernel@vger.kernel.org, Petr Mladek Subject: [PATCH v5 0/2] printk: Console owner and waiter logic cleanup Date: Wed, 10 Jan 2018 14:24:16 +0100 Message-Id: <20180110132418.7080-1-pmladek@suse.com> X-Mailer: git-send-email 2.13.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: This is the last version of Steven's console owner/waiter logic. Plus my proposal to hide it into 3 helper functions. It is supposed to keep the code maintenable. The handshake really works. It happens about 10-times even during boot of a simple system in qemu with a fast console here. It is definitely able to avoid some softlockups. Let's see if it is enough in practice. >From my point of view, it is ready to go into linux-next so that it can get some more test coverage. Steven's patch is the v4, see https://lkml.kernel.org/r/20171108102723.602216b1@gandalf.local.home Petr Mladek (1): printk: Hide console waiter logic into helpers Steven Rostedt (1): printk: Add console owner and waiter logic to load balance console writes kernel/printk/printk.c | 156 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 155 insertions(+), 1 deletion(-) -- 2.13.6