Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751859AbaDQVaU (ORCPT ); Thu, 17 Apr 2014 17:30:20 -0400 Received: from mail.skyhub.de ([78.46.96.112]:35392 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751725AbaDQVaO (ORCPT ); Thu, 17 Apr 2014 17:30:14 -0400 Date: Thu, 17 Apr 2014 23:30:12 +0200 From: Borislav Petkov To: Owen Kibel Cc: Linus Torvalds , Josh Boyer , "Luck, Tony" , Peter Zijlstra , "mingo@kernel.org" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "atodorov@redhat.com" , "gong.chen@linux.intel.com" , "tglx@linutronix.de" , "linux-tip-commits@vger.kernel.org" Subject: Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs Message-ID: <20140417213012.GC27852@pd.tnic> References: <20140417100944.GG11096@twins.programming.kicks-ass.net> <20140417102442.GA8215@pd.tnic> <3908561D78D1C84285E8C5FCA982C28F31E2A1D3@ORSMSX106.amr.corp.intel.com> <20140417152611.GD4321@pd.tnic> <20140417192330.GE4321@pd.tnic> <20140417194241.GF4321@pd.tnic> <20140417205807.GA27852@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 17, 2014 at 02:21:41PM -0700, Owen Kibel wrote: > The patch tested was from Chen, Gong > > https://lkml.org/lkml/2014/4/15/838 > > It worked, apart from the warning on boot described previously - the > possible boot message was extracted from /var/log/kern.log > > The above patch on mainline: 3.15-rc1 2014-04-13 [tar.xz] > > seems to have cured the problem Ok, good. So this is straightened out. @Ingo: just pick up Gong's fix without the raw_spin_lock* stuff. > - the kernel appears fine after announcing something like > > kernel: [ 7.341085] BUG: using __this_cpu_write() in preemptible > [00000000] code: modprobe/546 > > in the boot process. This is most likely unrelated and is caused by the preemption checks added to __this_cpu_* in 188a81409ff7. If you'd like to debug this further, please send a full dmesg: dmesg > dmesg.log Privately is fine too. Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/