From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754656AbaHNUe2 (ORCPT ); Thu, 14 Aug 2014 16:34:28 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33480 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753546AbaHNUe1 (ORCPT ); Thu, 14 Aug 2014 16:34:27 -0400 Date: Thu, 14 Aug 2014 13:34:25 -0700 From: Andrew Morton To: kpark3469@gmail.com Cc: keun-o.park@windriver.com, hpa@zytor.com, rafael.j.wysocki@intel.com, peterz@infradead.org, rusty@rustcorp.com.au, kirill.shutemov@linux.intel.com, oleg@redhat.com, prarit@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] earlyprintk: re-enable earlyprintk calling early_param Message-Id: <20140814133425.0677d072ff45bce8431baae1@linux-foundation.org> In-Reply-To: <1408011216-8621-1-git-send-email-kpark3469@gmail.com> References: <1408011216-8621-1-git-send-email-kpark3469@gmail.com> X-Mailer: Sylpheed 3.2.0beta5 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 14 Aug 2014 19:13:36 +0900 kpark3469@gmail.com wrote: > From: Sahara > > Although there are many obs_kernel_param and its names are > earlyprintk and also EARLY_PRINTK is also enabled, we could not > see the early_printk output properly until now. This patch > considers earlycon as well as earlyprintk. Sorry, I just don't understand this description. What does the patch actually do? What was the kernel behaviour without the patch and what is the kernel behaviour with the patch?