From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7056ECDB483 for ; Thu, 19 Oct 2023 12:57:34 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=jE4TeDLQ; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4SB76N4GSKz3chF for ; Thu, 19 Oct 2023 23:57:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=jE4TeDLQ; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.vnet.ibm.com (client-ip=148.163.158.5; helo=mx0b-001b2d01.pphosted.com; envelope-from=srikar@linux.vnet.ibm.com; receiver=lists.ozlabs.org) Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4SB75S3GKLz3cQ4 for ; Thu, 19 Oct 2023 23:56:44 +1100 (AEDT) Received: from pps.filterd (m0353722.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39JCtVle025392; Thu, 19 Oct 2023 12:56:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : reply-to : references : mime-version : content-type : in-reply-to; s=pp1; bh=yf4IcXVcrNcuhRh2wRgb7cNGWg0uTSpEKYE3297IzlM=; b=jE4TeDLQxqpGd4i1rqH3MLZm3XqC/+lGRE+v+kFuax/uaSr+wQS5frL/xxJ0PwqJLjIt IIpoNmDvEYhLEXQ8ZYl9Xbil3+0cgSJscpenuPHwJ5cACap23EZ6gfUn4mR+8ciofkCx XEHgKKWXCJp18pZDL7skszSHzFdmgWMMQ+LRHjd6P/Z9/Bf7GdPZDT5Xc31R6NINHyzk ou3QZmGigqv9fH7wgqCynRg8wLiY/Hj4Exkg5IYQ7RWFf558QgMxwFacMk39ZYILetB3 BehSRBAU5EM0AKNJRadZgzy70eqKsP+beu46gS/KOBGQizX74U8k+RahsM3C6YS76TNN zg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3tu4vwr1t2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Oct 2023 12:56:25 +0000 Received: from m0353722.ppops.net (m0353722.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 39JCtu0x027815; Thu, 19 Oct 2023 12:56:24 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3tu4vwr1kh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Oct 2023 12:56:24 +0000 Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 39JAF9BO019900; Thu, 19 Oct 2023 12:56:21 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 3tr8120chk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Oct 2023 12:56:21 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 39JCuJNv41615848 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 19 Oct 2023 12:56:19 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6DAA320043; Thu, 19 Oct 2023 12:56:19 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 21FBF2004E; Thu, 19 Oct 2023 12:56:17 +0000 (GMT) Received: from linux.vnet.ibm.com (unknown [9.126.150.29]) by smtpav07.fra02v.mail.ibm.com (Postfix) with SMTP; Thu, 19 Oct 2023 12:56:16 +0000 (GMT) Date: Thu, 19 Oct 2023 18:26:16 +0530 From: Srikar Dronamraju To: Peter Zijlstra Subject: Re: [PATCH v2 5/6] powerpc/smp: Add read_mostly attribute Message-ID: <20231019125616.GH2194132@linux.vnet.ibm.com> References: <20231018163751.2423181-1-srikar@linux.vnet.ibm.com> <20231018163751.2423181-6-srikar@linux.vnet.ibm.com> <20231019075127.GO33217@noisy.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20231019075127.GO33217@noisy.programming.kicks-ass.net> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: XrfQh50Grxml6pHTQR1_hgD7aagAvdk8 X-Proofpoint-ORIG-GUID: Jvhyne0APab16AckP9vvIoOnPucDrYTM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-19_11,2023-10-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 spamscore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=536 lowpriorityscore=0 phishscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310190110 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: Mark Rutland , Valentin Schneider , "ndesaulniers@google.com" , linux-kernel@vger.kernel.org, Nicholas Piggin , Rohan McLure , linuxppc-dev , Josh Poimboeuf Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" * Peter Zijlstra [2023-10-19 09:51:27]: > On Wed, Oct 18, 2023 at 10:07:45PM +0530, Srikar Dronamraju wrote: > > There are some variables that are only updated at boot time. > > So add read_mostly attribute to such variables > > You don't have __ro_after_init ? Michael also responded with the same input, will change over to __ro_after_init in the next iteration. -- Thanks and Regards Srikar Dronamraju