From mboxrd@z Thu Jan 1 00:00:00 1970 From: Venkat Subbiah Subject: Re: patch to fix early printks with PREMPT_RT_FULL Date: Thu, 17 May 2012 14:33:21 -0700 Message-ID: <4FB56EA1.4040609@caviumnetworks.com> References: <4FA47D4A.6020009@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: RT , Thomas Gleixner Return-path: Received: from mail3.caviumnetworks.com ([12.108.191.235]:19486 "EHLO mail3.caviumnetworks.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755165Ab2EQVdX (ORCPT ); Thu, 17 May 2012 17:33:23 -0400 In-Reply-To: <4FA47D4A.6020009@caviumnetworks.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Thomas, Is this patch going to make it to a release or should this sent be sent to more folks for review? Thanks, Venkat On 05/04/2012 06:07 PM, Venkat Subbiah wrote: > Hello, > > With PREMPT_RT_FULL I notice couple of issues when early printk is turned on > > 1) printks show up only after the full console is enabled > 2) There are double prints for each of the prinkts before the full > console was enabled. > > The attached patch seem to fix the issue, but I am not sure whether this > is completely with > the lock being acquired in console_trylock_for_printk(). > > Thanks, > Venkat >