From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760351AbYBHP5Z (ORCPT ); Fri, 8 Feb 2008 10:57:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757355AbYBHP5P (ORCPT ); Fri, 8 Feb 2008 10:57:15 -0500 Received: from mx1.redhat.com ([66.187.233.31]:50560 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757068AbYBHP5P (ORCPT ); Fri, 8 Feb 2008 10:57:15 -0500 Date: Fri, 8 Feb 2008 10:56:31 -0500 From: Jason Baron To: Randy Dunlap Cc: mathieu.desnoyers@polymtl.ca, akpm@linux-foundation.org, mingo@elte.hu, fche@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [patch 4/4] make pr_debug() dynamic - update docs Message-ID: <20080208155631.GC13650@redhat.com> References: <20080207211349.GF14732@redhat.com> <20080207132604.ff93b028.randy.dunlap@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080207132604.ff93b028.randy.dunlap@oracle.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 07, 2008 at 01:26:04PM -0800, Randy Dunlap wrote: > > --- a/Documentation/kernel-parameters.txt > > +++ b/Documentation/kernel-parameters.txt > > @@ -1494,6 +1494,11 @@ and is between 256 and 4096 characters. It is defined in the file > > autoconfiguration. > > Ranges are in pairs (memory base and size). > > > > + pr_debug > > + Enables pr_debug() calls if the immediate > > + infrastructure has been enabled. These can also be > > + switched on/off via /proc/sys/debug/pr_debug. > > Is this actually Enables/disables? > I.e., is this actually pr_debug= ? > If so, please document that also. If not, why not? > The intention is that pr_debug is off by default. If you pass 'pr_debug' at the command line, it is turned on early in the boot process. I orginally implemented it as pr_debug=, but I believe just the string is simpler. thanks, -Jason