From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758059AbcATGDf (ORCPT ); Wed, 20 Jan 2016 01:03:35 -0500 Received: from ozlabs.org ([103.22.144.67]:58465 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758031AbcATGDZ (ORCPT ); Wed, 20 Jan 2016 01:03:25 -0500 Message-ID: <1453269803.14751.10.camel@ellerman.id.au> Subject: Re: [PATCH v5 0/9] ftrace with regs + live patching for ppc64 LE (ABI v2) From: Michael Ellerman To: Petr Mladek , Torsten Duwe Cc: Steven Rostedt , Jiri Kosina , Denis Kirjanov , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org Date: Wed, 20 Jan 2016 17:03:23 +1100 In-Reply-To: <20160106141730.GL3178@pathway.suse.cz> References: <20151204152419.28E0D691D2@newverein.lst.de> <20160106141730.GL3178@pathway.suse.cz> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5-1ubuntu3.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2016-01-06 at 15:17 +0100, Petr Mladek wrote: > On Fri 2015-12-04 15:45:29, Torsten Duwe wrote: > > Changes since v4: > > * change comment style in entry_64.S to C89 > > (nobody is using assembler syntax comments there). > > * the bool function restore_r2 shouldn't return 2, > > that's a little confusing. > > * Test whether the compiler supports -mprofile-kernel > > and only then define CC_USING_MPROFILE_KERNEL > > * also make the return value of klp_check_compiler_support > > depend on that. > > Note that there is still needed the extra patch from > http://thread.gmane.org/gmane.linux.kernel/2093867/focus=2099603 > to get the livepatching working. Sorry which extra patch? > Both ftrace with regs and live patching works for me with this patch > set and the extra patch. So. for the whole patchset: > > Tested-by: Petr Mladek Can you give me some more info on how you're testing it? What config options, toolchain etc.? For me the series doesn't even boot, even with livepatching disabled. cheers