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Violators will be prosecuted for from ; Fri, 15 Mar 2019 05:01:35 -0000 Received: from b06cxnps3074.portsmouth.uk.ibm.com (9.149.109.194) by e06smtp01.uk.ibm.com (192.168.101.131) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 15 Mar 2019 05:01:33 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x2F51WDv35586086 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Mar 2019 05:01:32 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1BFED52052; Fri, 15 Mar 2019 05:01:32 +0000 (GMT) Received: from [9.199.46.90] (unknown [9.199.46.90]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 1A08952054; Fri, 15 Mar 2019 05:01:27 +0000 (GMT) Subject: Re: Disable kcov for slb routines. To: Michael Ellerman , linuxppc-dev References: <44Kn0q0xN3z9s71@ozlabs.org> From: Mahesh Jagannath Salgaonkar Date: Fri, 15 Mar 2019 10:31:25 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 MIME-Version: 1.0 In-Reply-To: <44Kn0q0xN3z9s71@ozlabs.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-MW Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19031505-4275-0000-0000-0000031B354B X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19031505-4276-0000-0000-00003829A99D Message-Id: <3e0bd37b-5e34-f056-250c-c36bd495ea94@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-15_04:, , 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=681 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903150036 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: syzkaller@googlegroups.com, Paul Mackerras , Nicholas Piggin , Andrew Donnellan Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 3/14/19 5:13 PM, Michael Ellerman wrote: > On Mon, 2019-03-04 at 08:25:51 UTC, Mahesh J Salgaonkar wrote: >> From: Mahesh Salgaonkar >> >> The kcov instrumentation inside SLB routines causes duplicate SLB entries >> to be added resulting into SLB multihit machine checks. >> Disable kcov instrumentation on slb.o >> >> Signed-off-by: Mahesh Salgaonkar >> Acked-by: Andrew Donnellan >> Tested-by: Satheesh Rajendran > > Applied to powerpc next, thanks. > > https://git.kernel.org/powerpc/c/19d6907521b04206676741b26e05a152 > > cheers > There was a v2 at http://patchwork.ozlabs.org/patch/1051718/, looks like v1 got picked up. But I see the applied commit does address Andrew's comments. Thanks, -Mahesh.