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 X-Spam-Level: X-Spam-Status: No, score=-17.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C8B84C07E99 for ; Thu, 8 Jul 2021 09:22:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFF276143A for ; Thu, 8 Jul 2021 09:22:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231272AbhGHJZ2 (ORCPT ); Thu, 8 Jul 2021 05:25:28 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:50426 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231263AbhGHJZ1 (ORCPT ); Thu, 8 Jul 2021 05:25:27 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625736166; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=E+pSefAOiJpQ8wwMbW477tKyPDbTdepoxRASTY2DASI=; b=AJ4pCF/Q4fn079htocNQiFq9Ez2nTvNXvP3K76BtMf5vOIDKN98e+c4Mw+bWyGpSAUCL4C SGPKDx9k5YhpRsj2Pyr81O0Zd42i7odsOHgvaqSjQtTGYJuQ7HP3BjEtG5B7NPanwZYJA3 83wAnmWQBcjFW+LfhlKZeTlu06OV4Uc= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-413-16uZIKpzNhuRTyQlVZSYaA-1; Thu, 08 Jul 2021 05:22:44 -0400 X-MC-Unique: 16uZIKpzNhuRTyQlVZSYaA-1 Received: by mail-ed1-f70.google.com with SMTP id i19-20020a05640200d3b02903948b71f25cso2975817edu.4 for ; Thu, 08 Jul 2021 02:22:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=E+pSefAOiJpQ8wwMbW477tKyPDbTdepoxRASTY2DASI=; b=nrChNYzFHBq9NvZNuQ+XI115rfb3Mkv1KJZpg56fe9Fkx4+ZQohh1Epm56jtZ5Xvjt 7GrIEHZGA08mW9dEQEXbOZY9o10jaK2JB/8Ox1jFP2rpyJA2PXYD3Stq31naj6WGba0u p6bpgbL4K5vVihBCtv5krRCTUweFSlJZwXft65uebpOW8gObQKRqyq44fZa1NSIvcqrx +IEh7JtsKjlJ1GB3U9BP1UPa1Q6Z/e9RyNtCT7pr6sRWdDxekxsZ7JJWT8GawP2v4qiG c6Hc2tVvP5ubRoDoeL0C36WTMCLXMdk1p6JjI3xarQAsRiVst3QcC+fMiF82CWGPQTXr 32SQ== X-Gm-Message-State: AOAM531rjm9WhpzTDomIiMPzYhqFUdiJ9dUIQ7yAhLl9PABWXjUjEzh8 xL/ZXaeq8vf+k1anYYPNd7GZo/Z2rdqYgBt5U0CRGzmHdzVIxxLMJvm8UAaWrusQ8HeNUIiXrwE vuDWwOCWoBsZ4G9Kj X-Received: by 2002:a50:fe8d:: with SMTP id d13mr36939058edt.14.1625735855522; Thu, 08 Jul 2021 02:17:35 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyCk/LVZXmqKMW0Pw9a1WdvcT7laxKprAseHNRCetnTsu0RK3rK6AVAUZtIKCpJfy9FpteB2g== X-Received: by 2002:a50:fe8d:: with SMTP id d13mr36939044edt.14.1625735855405; Thu, 08 Jul 2021 02:17:35 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id r23sm908746edv.26.2021.07.08.02.17.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Jul 2021 02:17:34 -0700 (PDT) Subject: Re: [PATCH for 4.19, 5.4] KVM: SVM: Periodically schedule when unregistering regions on destroy To: Nobuhiro Iwamatsu , stable@vger.kernel.org Cc: gregkh@linuxfoundation.org, sashal@kernel.org, David Rientjes References: <20210708050253.341098-1-nobuhiro1.iwamatsu@toshiba.co.jp> From: Paolo Bonzini Message-ID: Date: Thu, 8 Jul 2021 11:17:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210708050253.341098-1-nobuhiro1.iwamatsu@toshiba.co.jp> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 08/07/21 07:02, Nobuhiro Iwamatsu wrote: > From: David Rientjes > > commit 7be74942f184fdfba34ddd19a0d995deb34d4a03 upstream. Part of 5.9. > diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c > index c5673bda4b66df..3f776e654e3aec 100644 > --- a/arch/x86/kvm/svm.c > +++ b/arch/x86/kvm/svm.c > @@ -1910,6 +1910,7 @@ static void sev_vm_destroy(struct kvm *kvm) > list_for_each_safe(pos, q, head) { > __unregister_enc_region_locked(kvm, > list_entry(pos, struct enc_region, list)); > + cond_resched(); > } > } > > Patch is the same as the upstream commit, except for the name of the file. Thanks! Acked-by: Paolo Bonzini Paolo