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Mon, 8 Jun 2020 15:05:46 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A7FC4C040; Mon, 8 Jun 2020 15:05:45 +0000 (GMT) Received: from JAVRIS.in.ibm.com (unknown [9.85.70.93]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 8 Jun 2020 15:05:44 +0000 (GMT) Subject: Re: [PATCH] selftests: powerpc: Fix online CPU selection To: Sandipan Das References: <20200608144212.985144-1-sandipan@linux.ibm.com> From: Kamalesh Babulal Message-ID: <7ab2d769-8257-d7d7-6fd8-38a9a41a8ecc@linux.vnet.ibm.com> Date: Mon, 8 Jun 2020 20:35:43 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200608144212.985144-1-sandipan@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-08_13:2020-06-08, 2020-06-08 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxscore=0 impostorscore=0 clxscore=1011 adultscore=0 spamscore=0 phishscore=0 malwarescore=0 mlxlogscore=999 cotscore=-2147483648 bulkscore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006080109 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: shiganta@in.ibm.com, linuxppc-dev@lists.ozlabs.org, srikar@linux.vnet.ibm.com, nasastry@in.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 6/8/20 8:12 PM, Sandipan Das wrote: > The size of the cpu set must be large enough for systems > with a very large number of CPUs. Otherwise, tests which > try to determine the first online CPU by calling > sched_getaffinity() will fail. This makes sure that the > size of the allocated cpu set is dependent on the number > of CPUs as reported by get_nprocs(). > > Fixes: 3752e453f6ba ("selftests/powerpc: Add tests of PMU EBBs") > Reported-by: Shirisha Ganta > Signed-off-by: Sandipan Das LGTM, Reviewed-by: Kamalesh Babulal -- Kamalesh