From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E15CBC10F0E for ; Tue, 9 Apr 2019 06:08:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B771D20883 for ; Tue, 9 Apr 2019 06:08:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726479AbfDIGIA (ORCPT ); Tue, 9 Apr 2019 02:08:00 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43586 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726035AbfDIGIA (ORCPT ); Tue, 9 Apr 2019 02:08:00 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x3961ZYE068752 for ; Tue, 9 Apr 2019 02:07:59 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2rrn8q9bjk-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 09 Apr 2019 02:07:58 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 9 Apr 2019 07:07:51 +0100 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x3967o2547120534 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 9 Apr 2019 06:07:50 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F0C7242045; Tue, 9 Apr 2019 06:07:49 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 96BC24203F; Tue, 9 Apr 2019 06:07:49 +0000 (GMT) Received: from oc3784624756.ibm.com (unknown [9.152.212.134]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 9 Apr 2019 06:07:49 +0000 (GMT) Subject: Re: WARN_ON_ONCE() hit at kernel/events/core.c:330 To: Peter Zijlstra Cc: Kees Cook , acme@redhat.com, Linux Kernel Mailing List , Heiko Carstens , Hendrik Brueckner , Martin Schwidefsky , mark.rutland@arm.com, jolsa@redhat.com References: <20190403104103.GE4038@hirez.programming.kicks-ass.net> <20190404110909.GY4038@hirez.programming.kicks-ass.net> <20190404130300.GF14281@hirez.programming.kicks-ass.net> <20190408082229.GI4038@hirez.programming.kicks-ass.net> <20190408095031.GG14281@hirez.programming.kicks-ass.net> From: Thomas-Mich Richter Organization: IBM Date: Tue, 9 Apr 2019 08:07:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <20190408095031.GG14281@hirez.programming.kicks-ass.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 19040906-0008-0000-0000-000002D7C75C X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19040906-0009-0000-0000-00002243E582 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-04-09_03:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1904090041 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/8/19 11:50 AM, Peter Zijlstra wrote: > On Mon, Apr 08, 2019 at 10:22:29AM +0200, Peter Zijlstra wrote: >> On Mon, Apr 08, 2019 at 09:12:28AM +0200, Thomas-Mich Richter wrote: > >>> very good news, your fix ran over the weekend without any hit!!! >>> >>> Thanks very much for your help. Do you submit this patch to the kernel mailing list? >> >> Most excellent, let me go write a Changelog. > > Hi Thomas, find below. > > Sadly, while writing the Changelog I ended up with a 'completely' > differet patch again, could I bother you to test this one too? > Hi Peter, I verified your second patch, it ran overnight without any message in the kernel log. Thanks again. Tested-by: Thomas Richter -- Thomas Richter, Dept 3252, IBM s390 Linux Development, Boeblingen, Germany -- Vorsitzender des Aufsichtsrats: Matthias Hartmann Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen / Registergericht: Amtsgericht Stuttgart, HRB 243294