From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753156AbeDHVUr (ORCPT ); Sun, 8 Apr 2018 17:20:47 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:39312 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752907AbeDHVUp (ORCPT ); Sun, 8 Apr 2018 17:20:45 -0400 Date: Sun, 8 Apr 2018 14:21:41 -0700 From: "Paul E. McKenney" To: Akira Yokosawa Cc: Alan Stern , Andrea Parri , Will Deacon , Peter Zijlstra , Boqun Feng , Nicholas Piggin , David Howells , Jade Alglave , Luc Maranget , Ingo Molnar , linux-kernel@vger.kernel.org Subject: Re: [PATCH] tools/memory-model: Update required version of herdtools7 Reply-To: paulmck@linux.vnet.ibm.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18040821-0008-0000-0000-000002F2F9C0 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008820; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000256; SDB=6.01015071; UDB=6.00517538; IPR=6.00794321; MB=3.00020476; MTD=3.00000008; XFM=3.00000015; UTC=2018-04-08 21:20:42 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18040821-0009-0000-0000-000038D3FF55 Message-Id: <20180408212141.GV3948@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-08_06:,, 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 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1804080233 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 08, 2018 at 09:18:08AM +0900, Akira Yokosawa wrote: > >From 64542a47acf159d26b8290480c0af9c2a05d20d6 Mon Sep 17 00:00:00 2001 > From: Akira Yokosawa > Date: Sun, 8 Apr 2018 07:44:55 +0900 > Subject: [PATCH] tools/memory-model: Update required version of herdtools7 > > Code generated by klitmus7 version 7.48 doesn't compile with kernel > header of 4.15 and later due to the absence of ACCESS_ONCE(). > As the issue has been resolved in herdtools7 7.49, bump the required > version number in README. > > Signed-off-by: Akira Yokosawa > Cc: Alan Stern > Cc: Andrea Parri > Cc: Will Deacon > Cc: Peter Zijlstra > Cc: Boqun Feng > Cc: Nicholas Piggin > Cc: David Howells > Cc: Jade Alglave > Cc: Luc Maranget > Cc: "Paul E. McKenney" > Cc: Ingo Molnar > --- > Hi Paul, > > I think this is a 4.17 matter. > Thoughts? Good catch, queued and pushed, thank you! I don't believe that this needs to go into the current merge window, given that there is an easy workaround and that people running into this will likely find your patch via web-seach, at which point they can update their herdtools. But it should definitely go into v4.18! Thanx, Paul > Thanks, Akira > -- > tools/memory-model/README | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/memory-model/README b/tools/memory-model/README > index 0b3a5f3..734f7fe 100644 > --- a/tools/memory-model/README > +++ b/tools/memory-model/README > @@ -20,7 +20,7 @@ that litmus test to be exercised within the Linux kernel. > REQUIREMENTS > ============ > > -Version 7.48 of the "herd7" and "klitmus7" tools must be downloaded > +Version 7.49 of the "herd7" and "klitmus7" tools must be downloaded > separately: > > https://github.com/herd/herdtools7 > -- > 2.7.4 >