From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754755AbeDJXnc (ORCPT ); Tue, 10 Apr 2018 19:43:32 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:46600 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753423AbeDJXn2 (ORCPT ); Tue, 10 Apr 2018 19:43:28 -0400 Date: Tue, 10 Apr 2018 16:44:25 -0700 From: "Paul E. McKenney" To: Linus Torvalds Cc: Ingo Molnar , "Eric W. Biederman" , Tejun Heo , Jann Horn , Benjamin LaHaise , Al Viro , Thomas Gleixner , Peter Zijlstra , Linux Kernel Mailing List Subject: Re: Simplifying our RCU models Reply-To: paulmck@linux.vnet.ibm.com References: <20180305030949.GP3918@linux.vnet.ibm.com> <20180305082441.4hao2z4dqn2n5on6@gmail.com> <87po4izj67.fsf_-_@xmission.com> <20180305161446.GQ3918@linux.vnet.ibm.com> <20180306084738.tcs4ggbby77phlbh@gmail.com> <20180306203906.GA3918@linux.vnet.ibm.com> <20180307155444.GA10367@linux.vnet.ibm.com> <20180308204524.GW3918@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180308204524.GW3918@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18041023-0052-0000-0000-000002D858C8 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008833; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000256; SDB=6.01016077; UDB=6.00518136; IPR=6.00795324; MB=3.00020511; MTD=3.00000008; XFM=3.00000015; UTC=2018-04-10 23:43:24 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18041023-0053-0000-0000-00005C48CB00 Message-Id: <20180410234425.GA30784@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-10_09:,, 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-1804100216 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 08, 2018 at 12:45:24PM -0800, Paul E. McKenney wrote: > On Wed, Mar 07, 2018 at 10:48:50AM -0800, Linus Torvalds wrote: > > On Wed, Mar 7, 2018 at 7:54 AM, Paul E. McKenney > > wrote: > > > > > > Ah, and any thoughts on how best to get feedback from the various people > > > who would need to reprogram their fingers? Or is everyone already on > > > board with changing these various names? > > > > I really would prefer to not see massive re-naming unless there is a > > really good reason for it. > > > > I'm all for simplifying RCU from a million different versions down to > > just a few thousand, but I'm definitely not convinced we want to do > > any search-and-replace. > > I am currently in the design (more accurately, reredesign phase) for > the simplification. It is quite possible that there is a good reason > for at least some renaming, but in that case, I would come back later > with that as a separate proposal. And I really am still working on this. It is a bit tricky, but still looks doable. More likely to be ready for 4.19 than 4.18, though. Thanx, Paul