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.gnu.org (lists.gnu.org [209.51.188.17]) (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 C33B3E7717F for ; Tue, 10 Dec 2024 07:46:58 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tKuwf-0006Gv-Rz; Tue, 10 Dec 2024 02:46:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tKuwN-0006G2-VK; Tue, 10 Dec 2024 02:46:06 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tKuwM-0005ij-76; Tue, 10 Dec 2024 02:45:55 -0500 Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4B9JZ4OZ029227; 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Tue, 10 Dec 2024 07:45:50 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 43d1pn2jan-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 10 Dec 2024 07:45:50 +0000 Received: from smtpav02.fra02v.mail.ibm.com (smtpav02.fra02v.mail.ibm.com [10.20.54.101]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 4BA7jkWR49217808 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 10 Dec 2024 07:45:46 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5CA3B20043; Tue, 10 Dec 2024 07:45:46 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 33A0520040; Tue, 10 Dec 2024 07:45:46 +0000 (GMT) Received: from [9.155.198.95] (unknown [9.155.198.95]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 10 Dec 2024 07:45:46 +0000 (GMT) Message-ID: <07b6501d-f342-444c-bb9e-45e314c750ed@linux.ibm.com> Date: Tue, 10 Dec 2024 08:45:46 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v2 03/15] s390x/cpumodel: add msa12 changes To: Hendrik Brueckner Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, thuth@redhat.com, nsg@linux.ibm.com, mimu@linux.ibm.com, borntraeger@linux.ibm.com References: <20241206122751.189721-1-brueckner@linux.ibm.com> <20241206122751.189721-4-brueckner@linux.ibm.com> <93eff988-d6b9-4789-bf11-721c92401d6a@linux.ibm.com> <3601af1b-1324-4635-b64b-00f965551550@linux.ibm.com> Content-Language: en-US From: Janosch Frank Autocrypt: addr=frankja@linux.ibm.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Mc9u4pU5Td1cjsfHV-WKkgMn6ZfXG5bH X-Proofpoint-ORIG-GUID: Mc9u4pU5Td1cjsfHV-WKkgMn6ZfXG5bH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 spamscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 impostorscore=0 bulkscore=0 mlxscore=0 malwarescore=0 mlxlogscore=355 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412100056 Received-SPF: pass client-ip=148.163.156.1; envelope-from=frankja@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 12/9/24 4:54 PM, Hendrik Brueckner wrote: > On Mon, Dec 09, 2024 at 04:45:25PM +0100, Janosch Frank wrote: >> On 12/9/24 4:24 PM, Hendrik Brueckner wrote: >>> On Mon, Dec 09, 2024 at 03:48:11PM +0100, Janosch Frank wrote: >>>> On 12/6/24 1:27 PM, Hendrik Brueckner wrote: >>>>> MSA12 changes the KIMD/KLMD instruction format for SHA3/SHAKE. >>>>> >>>>> Signed-off-by: Hendrik Brueckner >>>>> Reviewed-by: Christian Borntraeger >>>> >>>> MSA6 is a prereq, no? >>> >>> MSA6 is the prereq. However, there is no explicit feature definition >>> for the MSA_EXT_6 due to no STFLE and subfunctions only. The only >>> way would be to pick one or more / all MSA6 subfunctions for which >>> there is a feature defined... >> >> Which you did for MSA11, no? > > The other way around. > > Here: MSA_EXT_12 would check/have a dependency on all(?) subfuncs > introduced with MSA_EXT_6. > >> >> I'm not saying that subfunc handling is great :) > > Let me have a look which functions come with MSA_6 related to KIMD/KLMD. > > Would it be OK to have those checks as a separate patch so that cpu > model in general is not blocked? Of course, I mostly want this question being answered in general.