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 B82EFC433F5 for ; Tue, 31 May 2022 08:28:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244839AbiEaI2r (ORCPT ); Tue, 31 May 2022 04:28:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38588 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234747AbiEaI2q (ORCPT ); Tue, 31 May 2022 04:28:46 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49EDB5DD3F; Tue, 31 May 2022 01:28:45 -0700 (PDT) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24V8MMF9030233; Tue, 31 May 2022 08:28:44 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=mkS8jzyI7XHxjralu34aPFoY28q+LqaZFmElSHcC6s4=; b=CMHOjpVVr4B6RfvrkYf5sduGjl8Pf1J2vejr+SaaAa3uPlzfXarAFQSAl0ioMZNCKe73 2N9nOoxbOyg+zQzOv0YyTfi4zBudvWB3JM+Pc3M7oXWuz8wGzfddv/XeBby/UXC9MnxD s7vJVIJ5AuoxUiPkRVNpEFSUnOMTMDYWct7VuDDrO76sM3bu9KJdJpu0TPPN2GLJLJ6c VxgQpTuOZX2ZjcEWEIFJgEIH7BIx3dcFJ9FHlsFFVNrUPyPtLmmIRbIdWUa4mCRW60ix M9TMPKR8+3K9mldlApNjTGhi4HA3KrfR2qY9mDX0j8YN9furaqR9ZwtY0r3vhS2508gp Rw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3gdfex0451-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 31 May 2022 08:28:44 +0000 Received: from m0098421.ppops.net (m0098421.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 24V8QcUm016251; Tue, 31 May 2022 08:28:43 GMT Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3gdfex043t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 31 May 2022 08:28:43 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 24V8HKVH020436; Tue, 31 May 2022 08:28:40 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma06ams.nl.ibm.com with ESMTP id 3gbbynksty-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 31 May 2022 08:28:40 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 24V8Sb0T48103920 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 31 May 2022 08:28:37 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A0FE9A4055; Tue, 31 May 2022 08:28:37 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 33394A4040; Tue, 31 May 2022 08:28:37 +0000 (GMT) Received: from [9.171.6.109] (unknown [9.171.6.109]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 31 May 2022 08:28:37 +0000 (GMT) Message-ID: <7f7213d0-537e-34fb-d7b0-58fa208cd9e6@linux.ibm.com> Date: Tue, 31 May 2022 10:28:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH 0/2] s390/gmap/pgtable improve handling of keyed KVM guests Content-Language: en-US To: KVM Cc: Janosch Frank , David Hildenbrand , linux-s390 , Thomas Huth , Claudio Imbrenda , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Janis Schoetterl-Glausch References: <20220530092706.11637-1-borntraeger@linux.ibm.com> From: Christian Borntraeger In-Reply-To: <20220530092706.11637-1-borntraeger@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 274_NIeCJI0FSwEAqfiuaL3fQPxdmKVB X-Proofpoint-GUID: J0hNB5tZ60eGzQvCuXY_fbI3DQYSdOy9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-05-31_02,2022-05-30_03,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=869 impostorscore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 mlxscore=0 priorityscore=1501 phishscore=0 suspectscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2205310041 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org Am 30.05.22 um 11:27 schrieb Christian Borntraeger: > These two patches try to address stalls/timeouts that we have seen when > switching many guests to enable storage keys. > > Christian Borntraeger (2): > s390/gmap: voluntarily schedule during key setting > s390/pgtable: use non-quiescing sske for KVM switch to keyed > > arch/s390/mm/gmap.c | 14 ++++++++++++++ > arch/s390/mm/pgtable.c | 2 +- > 2 files changed, 15 insertions(+), 1 deletion(-) queued.