Message ID | 20220302181143.188283-8-imbrenda@linux.ibm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <kvm-owner@kernel.org> 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 2C5D2C433FE for <kvm@archiver.kernel.org>; Wed, 2 Mar 2022 18:12:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244547AbiCBSMv (ORCPT <rfc822;kvm@archiver.kernel.org>); Wed, 2 Mar 2022 13:12:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244467AbiCBSMk (ORCPT <rfc822;kvm@vger.kernel.org>); Wed, 2 Mar 2022 13:12:40 -0500 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BF60CE922; Wed, 2 Mar 2022 10:11:56 -0800 (PST) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 222GaLd3003426; Wed, 2 Mar 2022 18:11:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=gCvvGsZ5Fbh3DNezZjk0Yd0yRAM4k6rHjjD7LRc0iKU=; b=ON4hcbhHwpoovVb7612TT5E85KKHd5e9otTF0yS7jeWCX/JDHput25BANZeldHiwY8Gm TVwIYqoPVrhSK9MMM/yC18Po11xciS5sIIl2ykQMuU7AUxAQ6ZlqD5EKk9LH6ktCHSsB tcccP6k5gG9alYcPry4T9/ElydLVTMmK6G6m2elsOBQIPMzPHPumin91p4DpcUjzNetO JWj1ijSlQTfvd5D8+xlaCLuLXWbSCLFrtYSyZOM4WZFM5PCnJTgvIomEjS8lzhW7r0RY sRAeGOTMfxcBzyylN6358rSEc+F65PAF75uzL6cCBf4Myn2LBoCkgtLtxNFBzUrFhouB Wg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 3ejaa4n0yc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Mar 2022 18:11:55 +0000 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 222Hh8nV006675; Wed, 2 Mar 2022 18:11:54 GMT Received: from ppma06fra.de.ibm.com (48.49.7a9f.ip4.static.sl-reverse.com [159.122.73.72]) by mx0a-001b2d01.pphosted.com with ESMTP id 3ejaa4n0y1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Mar 2022 18:11:54 +0000 Received: from pps.filterd (ppma06fra.de.ibm.com [127.0.0.1]) by ppma06fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 222I9dY5011226; Wed, 2 Mar 2022 18:11:52 GMT Received: from b06avi18626390.portsmouth.uk.ibm.com (b06avi18626390.portsmouth.uk.ibm.com [9.149.26.192]) by ppma06fra.de.ibm.com with ESMTP id 3efbfj6416-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Mar 2022 18:11:52 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 222I0qIa44564874 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 2 Mar 2022 18:00:52 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6329A52057; Wed, 2 Mar 2022 18:11:48 +0000 (GMT) Received: from p-imbrenda.ibmuc.com (unknown [9.145.5.37]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id D24FB5204F; Wed, 2 Mar 2022 18:11:47 +0000 (GMT) From: Claudio Imbrenda <imbrenda@linux.ibm.com> To: kvm@vger.kernel.org Cc: borntraeger@de.ibm.com, frankja@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, david@redhat.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, scgl@linux.ibm.com, mimu@linux.ibm.com, nrb@linux.ibm.com Subject: [PATCH v8 07/17] KVM: s390: pv: module parameter to fence lazy destroy Date: Wed, 2 Mar 2022 19:11:33 +0100 Message-Id: <20220302181143.188283-8-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220302181143.188283-1-imbrenda@linux.ibm.com> References: <20220302181143.188283-1-imbrenda@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: xCHB-jGnYCdJ_09uxmW6xCN1zkPQQkC4 X-Proofpoint-GUID: Z0HvK4uieyyS24avN-T-2PyLBPkbpJUJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-02_12,2022-02-26_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 spamscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 clxscore=1015 phishscore=0 adultscore=0 mlxlogscore=953 lowpriorityscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2203020078 Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
Series |
KVM: s390: pv: implement lazy destroy for reboot
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diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 2296b1ff1e02..702696189505 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -207,6 +207,11 @@ unsigned int diag9c_forwarding_hz; module_param(diag9c_forwarding_hz, uint, 0644); MODULE_PARM_DESC(diag9c_forwarding_hz, "Maximum diag9c forwarding per second, 0 to turn off"); +/* allow asynchronous deinit for protected guests */ +static int lazy_destroy = 1; +module_param(lazy_destroy, int, 0444); +MODULE_PARM_DESC(lazy_destroy, "Asynchronous destroy for protected guests"); + /* * For now we handle at most 16 double words as this is what the s390 base * kernel handles and stores in the prefix page. If we ever need to go beyond