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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 84EFBC43334 for ; Fri, 15 Jul 2022 07:49:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232342AbiGOHt1 (ORCPT ); Fri, 15 Jul 2022 03:49:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232280AbiGOHtX (ORCPT ); Fri, 15 Jul 2022 03:49:23 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E06C3F328; Fri, 15 Jul 2022 00:49:23 -0700 (PDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 26F7gO2x008426; Fri, 15 Jul 2022 07:49:21 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=pp1; bh=obIETS1plMGdBYnXOhK0FWQ76TayIWIT5daNAJ2hqvE=; b=FGkaaWsYhxG4yGU2bDow3vSORDHXRocPpkDoEtReLjqq6qkaE7N/UOdue0sNscX+h90k 38KWJrVHmLTzxvNJnYPo16z7AiqPABK1hnoVuftR2ic0OV+k+CF43SmwpLr7mA8J1H1Q S1e1k1s7hEUFXwlkfvvhkPCDEwB+BRqcnFJvm1E9Wr/r16s7G0djhLFhhQeDw6vdMfhi St/s0cSMiwABaoKSC4F52vAWq+kVpFrCfcxGnTIqW4Kinw05e6jz4/zRoPAdeZyNfTnc a4PQDUzfbiNqDeNp4QLcLs2cteTr3cj33zoxwkjsxtw5AqwVlszaoPEmYgtP+9/aWmJq Ew== Received: from ppma03fra.de.ibm.com (6b.4a.5195.ip4.static.sl-reverse.com [149.81.74.107]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3hb42vr4q9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Jul 2022 07:49:21 +0000 Received: from pps.filterd (ppma03fra.de.ibm.com [127.0.0.1]) by ppma03fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 26F7b3xo019282; Fri, 15 Jul 2022 07:49:18 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma03fra.de.ibm.com with ESMTP id 3h71a8p47q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Jul 2022 07:49:18 +0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 26F7nFHB20840722 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Jul 2022 07:49:15 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7AFA7AE056; Fri, 15 Jul 2022 07:49:15 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 66D6AAE053; Fri, 15 Jul 2022 07:49:15 +0000 (GMT) Received: from vela (unknown [9.145.26.36]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Fri, 15 Jul 2022 07:49:15 +0000 (GMT) Received: from brueckner by vela with local (Exim 4.94.2) (envelope-from ) id 1oCG4X-0002V8-M2; Fri, 15 Jul 2022 09:49:13 +0200 Date: Fri, 15 Jul 2022 09:49:13 +0200 From: Hendrik Brueckner To: Steffen Eiden Cc: Heiko Carstens , Alexander Gordeev , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Vasily Gorbik , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, nrb@linux.ibm.com Subject: Re: [PATCH v2 0/3] s390/cpufeature: rework to allow different types of cpufeatures Message-ID: References: <20220713125644.16121-1-seiden@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220713125644.16121-1-seiden@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: NrlKyrrwodamK7ZPJwExaYSrWT6tPx8g X-Proofpoint-ORIG-GUID: NrlKyrrwodamK7ZPJwExaYSrWT6tPx8g X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-15_02,2022-07-14_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1011 malwarescore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 spamscore=0 impostorscore=0 mlxlogscore=756 priorityscore=1501 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207150031 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Maybe, I am bit late ... On Wed, Jul 13, 2022 at 02:56:41PM +0200, Steffen Eiden wrote: > Currently the s390 implementaion of cpufeature is limited to elf_hwcap > bits. Using these to automatically load modules also exposes this > cpufeature to userspace which, sometimes is not intended. Those features are (always) exposed to user space as module loading is actually done by udev rules. However, we had some pseudo-hwcaps (e.g. sie64a) in the past.. but I very appreciate this change! Thanks.