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 5179EC433EF for ; Tue, 21 Dec 2021 08:46:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235789AbhLUIqy (ORCPT ); Tue, 21 Dec 2021 03:46:54 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:34991 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235786AbhLUIqx (ORCPT ); Tue, 21 Dec 2021 03:46:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1640076412; 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=MZk6+BHjdh3P9084Tou7Ooqh6nDjDABDkvC7zaszK0w=; b=fuhvQ+yf1RYc3KWkBKyJ9qyhSxr1zkQrfD7KrOvgpikWPemvcV2UhIBm7Q1Bilu8PhZvP6 nXljV0TCQ7zeI0BDo6bbKdbTBjALfUc/k++j9zE+AMyveEVBLxqbujVgE4Yiu/kjoUovbp +9pC4N7es8l4FeHyOeU75qtwYnItQqg= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-308-FJeyfhI0Mh-bHaMsHcLVRA-1; Tue, 21 Dec 2021 03:46:49 -0500 X-MC-Unique: FJeyfhI0Mh-bHaMsHcLVRA-1 Received: by mail-wm1-f72.google.com with SMTP id b75-20020a1c804e000000b0034569bde713so933647wmd.9 for ; Tue, 21 Dec 2021 00:46:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=MZk6+BHjdh3P9084Tou7Ooqh6nDjDABDkvC7zaszK0w=; b=iQ0i2+SPb2pdp+Aqw15qloQk09YRLeWcK6MI9KBhtCWjdGNBedKImJyrpiwHZGHoXG Nk2z2PYMIEUm2lvb3Mu6/vb2vLsL1coO3NJxOPFsQ8/8nDRk6Dfr2mLsL2VjUCfTEWnW 60U279YCz/4hMoA3YhXMibU2dwCpGdtPCJeajV5hcDIk5LfQBVErL03zfdrDRsad71PL bW2u+kYcpWkX/Wuodp4z/104nMj2xjgsh1e7qiuOFcuSow5WnE2XZBcXDJujHYNOboXS bwqUJh0n/s2o/NSDD0Su3nma5QYXcaOelXFC2t/JUnFlSxhK0AasKSHbUZVKvUQXm06V RKQA== X-Gm-Message-State: AOAM533gEkdKpAJFGGzrCQOd1V6+zBTelFzvVw8klERB5zyUSohlXpWC S89oZ1CjaTl/o6Kh7XHTJwyrhSkvsTRNRWur59hSzGYbdq9LkkIl+ETbNY+k/k6NxgKnj5aYfNJ By+1XhFFc9Jx94I8fRa5HzANj X-Received: by 2002:a05:600c:6009:: with SMTP id az9mr1754780wmb.32.1640076408033; Tue, 21 Dec 2021 00:46:48 -0800 (PST) X-Google-Smtp-Source: ABdhPJwmnBZwI36XasGXlIbCL5DTmyAMHj70U6oBHzNIjWPE5ThZfSWfUSt0bapqZyKde4pus4iMhA== X-Received: by 2002:a05:600c:6009:: with SMTP id az9mr1754765wmb.32.1640076407872; Tue, 21 Dec 2021 00:46:47 -0800 (PST) Received: from ?IPV6:2001:b07:6468:f312:63a7:c72e:ea0e:6045? ([2001:b07:6468:f312:63a7:c72e:ea0e:6045]) by smtp.googlemail.com with ESMTPSA id p13sm1684921wms.41.2021.12.21.00.46.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Dec 2021 00:46:47 -0800 (PST) Message-ID: <015e7a47-19b1-9bee-14ff-c3ee4739a59c@redhat.com> Date: Tue, 21 Dec 2021 09:46:44 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH v2 22/23] kvm: x86: Disable interception for IA32_XFD on demand Content-Language: en-US To: "Liu, Jing2" , "x86@kernel.org" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" Cc: "Christopherson,, Sean" , "Nakajima, Jun" , "Tian, Kevin" , "jing2.liu@linux.intel.com" , "Zeng, Guang" , "Wang, Wei W" , "Zhong, Yang" References: <20211217153003.1719189-1-jing2.liu@intel.com> <20211217153003.1719189-23-jing2.liu@intel.com> <6e95b6f7-44dc-7e48-4e6e-81cf85fc11c6@redhat.com> From: Paolo Bonzini In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/21/21 07:42, Liu, Jing2 wrote: >> Please instead add a "case" to vmx_set_msr: > OK, it seems the passthrough setup is preferred in vmx.c. > Do we also want a case in vmx_get_msr (for patch 11), even though > no specific handling there? No, thanks. Paolo