From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753328Ab0IVKMT (ORCPT ); Wed, 22 Sep 2010 06:12:19 -0400 Received: from filtteri6.pp.htv.fi ([213.243.153.189]:36351 "EHLO filtteri6.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752421Ab0IVKMS (ORCPT ); Wed, 22 Sep 2010 06:12:18 -0400 Date: Wed, 22 Sep 2010 13:05:20 +0300 From: Alexander Shishkin To: Randy Dunlap Cc: lkml , Jason Wessel , "David S. Miller" , "James E.J. Bottomley" , David Airlie Subject: Re: [PATCH] documentation: update sysrq.txt key mappings Message-ID: <20100922100519.GD10463@shisha.kicks-ass.net> References: <20100921160142.7c783105.randy.dunlap@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100921160142.7c783105.randy.dunlap@oracle.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 21, 2010 at 04:01:42 -0700, Randy Dunlap wrote: > From: Randy Dunlap > > Update Documentation/sysrq.txt magic sysrq keys: > > - 'g' is for kgdb (not arch-specific); > - add 2 new uses for 'v', remove the Voyager info; > - add 'y' info (SPARC-64 specific); > > Signed-off-by: Randy Dunlap > Cc: Jason Wessel > Cc: "David S. Miller" > Cc: "James E.J. Bottomley" > Cc: David Airlie > Cc: Alexander Shishkin Acked-by: Alexander Shishkin > --- > Documentation/sysrq.txt | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > --- lnx-2636-rc5.orig/Documentation/sysrq.txt > +++ lnx-2636-rc5/Documentation/sysrq.txt > @@ -75,7 +75,7 @@ On all - write a character to /proc/sys > > 'f' - Will call oom_kill to kill a memory hog process. > > -'g' - Used by kgdb on ppc and sh platforms. > +'g' - Used by kgdb (kernel debugger) > > 'h' - Will display help (actually any other key than those listed > here will display help. but 'h' is easy to remember :-) > @@ -110,12 +110,15 @@ On all - write a character to /proc/sys > > 'u' - Will attempt to remount all mounted filesystems read-only. > > -'v' - Dumps Voyager SMP processor info to your console. > +'v' - Forcefully restores framebuffer console > +'v' - Causes ETM buffer dump [ARM-specific] > > 'w' - Dumps tasks that are in uninterruptable (blocked) state. > > 'x' - Used by xmon interface on ppc/powerpc platforms. > > +'y' - Show global CPU Registers [SPARC-64 specific] > + > 'z' - Dump the ftrace buffer > > '0'-'9' - Sets the console log level, controlling which kernel messages