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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 12 Oct 2018 07:58:35 +0100 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w9C6wYgH8061234 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 12 Oct 2018 06:58:34 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 28C5DAE04D; Fri, 12 Oct 2018 09:57:16 +0100 (BST) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A8262AE051; Fri, 12 Oct 2018 09:57:13 +0100 (BST) Received: from linux.vnet.ibm.com (unknown [9.126.150.29]) by d06av26.portsmouth.uk.ibm.com (Postfix) with SMTP; Fri, 12 Oct 2018 09:57:13 +0100 (BST) Date: Fri, 12 Oct 2018 12:28:31 +0530 From: Srikar Dronamraju To: "Gautham R. Shenoy" Subject: Re: [PATCH v10 1/3] powerpc: Detect the presence of big-cores via "ibm,thread-groups" References: <1539235983-25259-1-git-send-email-ego@linux.vnet.ibm.com> <1539235983-25259-2-git-send-email-ego@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <1539235983-25259-2-git-send-email-ego@linux.vnet.ibm.com> User-Agent: Mutt/1.9.2 (2017-12-15) X-TM-AS-GCONF: 00 x-cbid: 18101206-0016-0000-0000-0000021208E1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18101206-0017-0000-0000-00003269837B Message-Id: <20181012065831.GA28228@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-12_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 mlxscore=0 impostorscore=0 mlxlogscore=596 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810120069 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: , Reply-To: Srikar Dronamraju Cc: Michael Neuling , Murilo Opsfelder Araujo , linux-kernel@vger.kernel.org, Nicholas Piggin , Dave Hansen , Oliver O'Halloran , "Aneesh Kumar K.V" , Shilpasri G Bhat , linuxppc-dev@lists.ozlabs.org, Akshay Adiga , Anton Blanchard Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" > +DECLARE_PER_CPU(cpumask_var_t, cpu_smallcore_map); > > +/* > + * On big-cores system, cpu_l1_cache_map for each CPU corresponds to > + * the set its siblings that share the L1-cache. > + */ > +DEFINE_PER_CPU(cpumask_var_t, cpu_l1_cache_map); > Nit: Can you add a comment on how cpu_l1_cache_map differs from cpu_smallcore_map?. Everything else looks okay to me.