From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755249AbeDCJOH (ORCPT ); Tue, 3 Apr 2018 05:14:07 -0400 Received: from merlin.infradead.org ([205.233.59.134]:37130 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751226AbeDCJOF (ORCPT ); Tue, 3 Apr 2018 05:14:05 -0400 Date: Tue, 3 Apr 2018 11:13:33 +0200 From: Peter Zijlstra To: Petr Mladek Cc: syzbot , linux-kernel@vger.kernel.org, rostedt@goodmis.org, sergey.senozhatsky@gmail.com, syzkaller-bugs@googlegroups.com, Andy Lutomirski , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" , Ingo Molnar , x86@kernel.org Subject: Re: general protection fault in try_to_wake_up Message-ID: <20180403091333.GZ4082@hirez.programming.kicks-ass.net> References: <000000000000f2c42e05688f3ab6@google.com> <20180403085002.cq6rjxcmggypo4kh@pathway.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180403085002.cq6rjxcmggypo4kh@pathway.suse.cz> User-Agent: Mutt/1.9.3 (2018-01-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 03, 2018 at 10:50:03AM +0200, Petr Mladek wrote: > raw_spin_lock() succeeded here. Therefore lockdep was still working > at this stage. What does the success of raw_spin_lock() have to do with lockdep ?