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=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 E0426C433E0 for ; Mon, 25 Jan 2021 17:26:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B9D7221E9 for ; Mon, 25 Jan 2021 17:26:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731038AbhAYRZs (ORCPT ); Mon, 25 Jan 2021 12:25:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:24084 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731014AbhAYRZC (ORCPT ); Mon, 25 Jan 2021 12:25:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611595412; 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=BwQcCHg2Ol8PYg3iWhYhyw6ZkX3/4q3t8h9u7eKel9Y=; b=JtqhuaLnkgFnYa95tnMsLqp/dSWeiXGw7bAI9TK1VoqnwkPGatzIj36Sku4EkEMeOZ3MKH UxsQKR705j57sG2D76RpHCSxZLtP3TAF/K5NUBGHedA93wZAyBOOlVv3hIFAP2i6E+Pr6X 75k4rNAzVVWom3TQVUAXeLIDQsELrw8= Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-168-SNSLLGNcO327cDgbYPDduA-1; Mon, 25 Jan 2021 12:23:31 -0500 X-MC-Unique: SNSLLGNcO327cDgbYPDduA-1 Received: by mail-ej1-f71.google.com with SMTP id f1so4073302ejq.20 for ; Mon, 25 Jan 2021 09:23:30 -0800 (PST) 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=BwQcCHg2Ol8PYg3iWhYhyw6ZkX3/4q3t8h9u7eKel9Y=; b=dcgQHSQH4JSlkX3fMgKIFzJRIrrEDH1P9hC8OTB7C/J6MWQpq3Q3VGzuwNcXg93AG5 u2SssWaI76VP9qc6P9q7SFGOY5Vr7EskUEmMq7jioecbUZulW4q5yCjLD9rj+9XdF4nN aSd6AZmjthIRJUaYieCQsRu2WwRnGuKN+NvM0iRnD/VoWSQxrDDLhtLXe5W3tAzRL0yK kO2egjLWJPQ0Rh4HrBHsxHY/sf9bPxuw1yO608ZA5TZnNh75RJfNbzjunS0t79QqD+3v tKv+uyZq9m1uONcP1tN7cO8RsWjOXkpb0rJ+OFhDwjc59VYdyApPIhlt/Ww5IK/9pFT8 xuEQ== X-Gm-Message-State: AOAM530xWeyv8cSrdog77FYwTbUxoWKCdAHpvFNvYXqfnwOrYaY8WagM NluLMSNMdiYj3qaNZYhjd4Ahoqi5rjnrBBUNysyJGNTgdhVlvKw9o0PgfbIW8gwU7vZzNTEz0dn sP1vudSi4oIaO0vEFNdynSqaZreD91uyxUN35u3spL2bwv5fOe8ir4fPfwjteeqk9Rs4V4E6n2N Kj X-Received: by 2002:a17:906:338b:: with SMTP id v11mr1096999eja.74.1611595409505; Mon, 25 Jan 2021 09:23:29 -0800 (PST) X-Google-Smtp-Source: ABdhPJwBvA/3+BRG5ShSjQfjG1DrHKuVqIXrFquO1tdYvWlxQ5IONMOmT/H0MA5fjh51RCxYQ2DQ6g== X-Received: by 2002:a17:906:338b:: with SMTP id v11mr1096984eja.74.1611595409333; Mon, 25 Jan 2021 09:23:29 -0800 (PST) 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 s18sm11161636edw.66.2021.01.25.09.23.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Jan 2021 09:23:28 -0800 (PST) Subject: Re: [PATCH 0/2] KVM: x86: Minor steal time cleanups To: Sean Christopherson Cc: Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210123000334.3123628-1-seanjc@google.com> From: Paolo Bonzini Message-ID: <5dfde03f-5a3f-193b-5dec-3d35a35af9c9@redhat.com> Date: Mon, 25 Jan 2021 18:23:27 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210123000334.3123628-1-seanjc@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/01/21 01:03, Sean Christopherson wrote: > Cleanups and a minor optimization to kvm_steal_time_set_preempted() that > were made possible by the switch to using a cache gfn->pfn translation. > > Sean Christopherson (2): > KVM: x86: Remove obsolete disabling of page faults in > kvm_arch_vcpu_put() > KVM: x86: Take KVM's SRCU lock only if steal time update is needed > > arch/x86/kvm/x86.c | 30 +++++++++++------------------- > 1 file changed, 11 insertions(+), 19 deletions(-) > Queued, thanks. Paolo