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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 28 Mar 2019 13:21:21 -0000 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2SDLKn217301726 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 28 Mar 2019 13:21:20 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4C7ECB205F; Thu, 28 Mar 2019 13:21:20 +0000 (GMT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2E0C0B2064; Thu, 28 Mar 2019 13:21:20 +0000 (GMT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.188]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 28 Mar 2019 13:21:20 +0000 (GMT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id 02BC416C35CE; Thu, 28 Mar 2019 06:21:20 -0700 (PDT) Date: Thu, 28 Mar 2019 06:21:20 -0700 From: "Paul E. McKenney" To: Greg Kroah-Hartman Cc: "Zhang, Jun" , "He, Bo" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "Xiao, Jin" , "Bai, Jie A" Subject: Re: [PATCH 3.18 132/134] rcu: Do RCU GP kthread self-wakeup from softirq and interrupt Reply-To: paulmck@linux.ibm.com References: <20190322111220.102008032@linuxfoundation.org> <20190323063315.GB31361@kroah.com> <20190325160017.GD4102@linux.ibm.com> <20190326155537.GO4102@linux.ibm.com> <88DC34334CA3444C85D647DBFA962C2735B04EB8@SHSMSX104.ccr.corp.intel.com> <20190327151012.GY4102@linux.ibm.com> <88DC34334CA3444C85D647DBFA962C2735B0510F@SHSMSX104.ccr.corp.intel.com> <20190328052826.GA18668@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190328052826.GA18668@kroah.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 19032813-0072-0000-0000-00000411A187 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010828; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000282; SDB=6.01180891; UDB=6.00618030; IPR=6.00961609; MB=3.00026192; MTD=3.00000008; XFM=3.00000015; UTC=2019-03-28 13:21:23 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19032813-0073-0000-0000-00004BA1D061 Message-Id: <20190328132120.GK4102@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-28_07:,, 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=731 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903280093 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 28, 2019 at 06:28:26AM +0100, Greg Kroah-Hartman wrote: > On Thu, Mar 28, 2019 at 01:36:12AM +0000, Zhang, Jun wrote: > > Hello, Paul > > > > Yes, I only use original V3.18.136 to test. Because system run very slowly, I give up. > > > > Device: NUC (made in 2017) > > OS: ubuntu 16.04 > > Kernel: V3.18.136 (come from https://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.136/) > > System can boot, but run very slowly, and couldn't connect the network. > > This make me not to work with terminal, because system very slowly. > > So I don’t use V3.18.136+patch to test. > > Please do not worry about 3.18.y if it is any problem, I only keep it > alive for a few users and if they have not reported issues yet, it is > fine. Please do not do any extra work for this kernel tree at all, it > is just too old :) Very good. ;-) >From what I can see, if 3.18.y works for them, then 3.18.y+patch should also work for them. Thanx, Paul