From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f66.google.com ([209.85.160.66]:43031 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937267AbeFSI1W (ORCPT ); Tue, 19 Jun 2018 04:27:22 -0400 Date: Tue, 19 Jun 2018 17:27:16 +0900 From: Sergey Senozhatsky To: Petr Mladek Cc: Sergey Senozhatsky , Sergey Senozhatsky , Steven Rostedt , Peter Zijlstra , Tetsuo Handa , linux-kernel@vger.kernel.org, "4 . 13+" Subject: Re: [PATCH] printk/nmi: Prevent deadlock when serializing NMI backtraces Message-ID: <20180619082716.GD405@jagdpanzerIV> References: <20180517143903.19339-1-pmladek@suse.com> <20180605124729.3vix5nlkjpjzdljx@pathway.suse.cz> <20180606051029.GA19211@tigerII.localdomain> <20180606103356.GB19211@tigerII.localdomain> <20180608104825.e7xoxteelaxnwx66@pathway.suse.cz> <20180618063738.GC27996@jagdpanzerIV> <20180618093917.qeaatnlqh5if6t3r@pathway.suse.cz> <20180618100718.GA555@jagdpanzerIV> <20180619075219.iq7ztwu43bn4uua7@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180619075219.iq7ztwu43bn4uua7@pathway.suse.cz> Sender: stable-owner@vger.kernel.org List-ID: On (06/19/18 09:52), Petr Mladek wrote: > On Mon 2018-06-18 19:07:18, Sergey Senozhatsky wrote: > > On (06/18/18 11:39), Petr Mladek wrote: > > [..] > > > > Hmm. Can't answer right now :) > > Please, let me know what name you would like ;-) :) Wow, it's hard. Maybe we can derive some bits from the ftrace_dump() function name? Dunno... Does printk_dump_nmi_enter() sound terrible? Maybe Steven has some opinions on this? -ss