From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Date: Fri, 28 Apr 2017 14:47:28 +0000 Subject: Re: [PATCH v5 1/4] printk/nmi: generic solution for safe printk in NMI Message-Id: <20170428104728.07ac38e0@gandalf.local.home> List-Id: References: <1461239325-22779-2-git-send-email-pmladek@suse.com> <20170419131341.76bc7634@gandalf.local.home> <20170420033112.GB542@jagdpanzerIV.localdomain> <20170420131154.GL3452@pathway.suse.cz> <20170421015724.GA586@jagdpanzerIV.localdomain> <20170421120627.GO3452@pathway.suse.cz> <20170424021747.GA630@jagdpanzerIV.localdomain> <20170427133819.GW3452@pathway.suse.cz> <20170428090226.qqoe6qbewjeo57kd@hirez.programming.kicks-ass.net> <20170428134423.GB3452@pathway.suse.cz> <20170428135810.gljrbuwgrypu5jkn@hirez.programming.kicks-ass.net> In-Reply-To: <20170428135810.gljrbuwgrypu5jkn@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On Fri, 28 Apr 2017 15:58:10 +0200 Peter Zijlstra wrote: > On Fri, Apr 28, 2017 at 03:44:23PM +0200, Petr Mladek wrote: > > On Fri 2017-04-28 11:02:26, Peter Zijlstra wrote: > > > On Thu, Apr 27, 2017 at 03:38:19PM +0200, Petr Mladek wrote: > > > > Also we need to look for alternatives. There is a chance > > > > to create crashdump and get the ftrace messages from it. > > > > Also this might be scenario when we might need to suggest > > > > the early_printk() patchset from Peter Zijlstra. > > > > > > I'd be happy to repost those. I still carry them in my tree. > > > > You do not need to if they are still the same as > > https://lkml.kernel.org/r/20161018170830.405990950@infradead.org > > More or less, I think I fixed an intermediate compile fail reported by > you and the 0-day thing and I wrote a few comments in the last patch. > > They live here fwiw: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git debug/tmp > > > I rather do not promise anything but I would like to look at them > > within next few weeks (after the merge window). > > Sure, I'll post them again during/after the merge window. BTW, this is what I ended up using to get the debug information I needed. -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1426199AbdD1Orn (ORCPT ); Fri, 28 Apr 2017 10:47:43 -0400 Received: from mail.kernel.org ([198.145.29.136]:39720 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S939338AbdD1Orf (ORCPT ); Fri, 28 Apr 2017 10:47:35 -0400 Date: Fri, 28 Apr 2017 10:47:28 -0400 From: Steven Rostedt To: Peter Zijlstra Cc: Petr Mladek , Sergey Senozhatsky , Andrew Morton , Russell King , Daniel Thompson , Jiri Kosina , Ingo Molnar , Thomas Gleixner , Chris Metcalf , linux-kernel@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, adi-buildroot-devel@lists.sourceforge.net, linux-cris-kernel@axis.com, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, Jan Kara , Ralf Baechle , Benjamin Herrenschmidt , Martin Schwidefsky , David Miller Subject: Re: [PATCH v5 1/4] printk/nmi: generic solution for safe printk in NMI Message-ID: <20170428104728.07ac38e0@gandalf.local.home> In-Reply-To: <20170428135810.gljrbuwgrypu5jkn@hirez.programming.kicks-ass.net> References: <1461239325-22779-2-git-send-email-pmladek@suse.com> <20170419131341.76bc7634@gandalf.local.home> <20170420033112.GB542@jagdpanzerIV.localdomain> <20170420131154.GL3452@pathway.suse.cz> <20170421015724.GA586@jagdpanzerIV.localdomain> <20170421120627.GO3452@pathway.suse.cz> <20170424021747.GA630@jagdpanzerIV.localdomain> <20170427133819.GW3452@pathway.suse.cz> <20170428090226.qqoe6qbewjeo57kd@hirez.programming.kicks-ass.net> <20170428134423.GB3452@pathway.suse.cz> <20170428135810.gljrbuwgrypu5jkn@hirez.programming.kicks-ass.net> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; 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 Fri, 28 Apr 2017 15:58:10 +0200 Peter Zijlstra wrote: > On Fri, Apr 28, 2017 at 03:44:23PM +0200, Petr Mladek wrote: > > On Fri 2017-04-28 11:02:26, Peter Zijlstra wrote: > > > On Thu, Apr 27, 2017 at 03:38:19PM +0200, Petr Mladek wrote: > > > > Also we need to look for alternatives. There is a chance > > > > to create crashdump and get the ftrace messages from it. > > > > Also this might be scenario when we might need to suggest > > > > the early_printk() patchset from Peter Zijlstra. > > > > > > I'd be happy to repost those. I still carry them in my tree. > > > > You do not need to if they are still the same as > > https://lkml.kernel.org/r/20161018170830.405990950@infradead.org > > More or less, I think I fixed an intermediate compile fail reported by > you and the 0-day thing and I wrote a few comments in the last patch. > > They live here fwiw: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git debug/tmp > > > I rather do not promise anything but I would like to look at them > > within next few weeks (after the merge window). > > Sure, I'll post them again during/after the merge window. BTW, this is what I ended up using to get the debug information I needed. -- Steve From mboxrd@z Thu Jan 1 00:00:00 1970 From: rostedt@goodmis.org (Steven Rostedt) Date: Fri, 28 Apr 2017 10:47:28 -0400 Subject: [PATCH v5 1/4] printk/nmi: generic solution for safe printk in NMI In-Reply-To: <20170428135810.gljrbuwgrypu5jkn@hirez.programming.kicks-ass.net> References: <1461239325-22779-2-git-send-email-pmladek@suse.com> <20170419131341.76bc7634@gandalf.local.home> <20170420033112.GB542@jagdpanzerIV.localdomain> <20170420131154.GL3452@pathway.suse.cz> <20170421015724.GA586@jagdpanzerIV.localdomain> <20170421120627.GO3452@pathway.suse.cz> <20170424021747.GA630@jagdpanzerIV.localdomain> <20170427133819.GW3452@pathway.suse.cz> <20170428090226.qqoe6qbewjeo57kd@hirez.programming.kicks-ass.net> <20170428134423.GB3452@pathway.suse.cz> <20170428135810.gljrbuwgrypu5jkn@hirez.programming.kicks-ass.net> Message-ID: <20170428104728.07ac38e0@gandalf.local.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 28 Apr 2017 15:58:10 +0200 Peter Zijlstra wrote: > On Fri, Apr 28, 2017 at 03:44:23PM +0200, Petr Mladek wrote: > > On Fri 2017-04-28 11:02:26, Peter Zijlstra wrote: > > > On Thu, Apr 27, 2017 at 03:38:19PM +0200, Petr Mladek wrote: > > > > Also we need to look for alternatives. There is a chance > > > > to create crashdump and get the ftrace messages from it. > > > > Also this might be scenario when we might need to suggest > > > > the early_printk() patchset from Peter Zijlstra. > > > > > > I'd be happy to repost those. I still carry them in my tree. > > > > You do not need to if they are still the same as > > https://lkml.kernel.org/r/20161018170830.405990950 at infradead.org > > More or less, I think I fixed an intermediate compile fail reported by > you and the 0-day thing and I wrote a few comments in the last patch. > > They live here fwiw: > > git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git debug/tmp > > > I rather do not promise anything but I would like to look at them > > within next few weeks (after the merge window). > > Sure, I'll post them again during/after the merge window. BTW, this is what I ended up using to get the debug information I needed. -- Steve