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 5A90EC433F5 for ; Wed, 16 Feb 2022 07:47:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230510AbiBPHsG (ORCPT ); Wed, 16 Feb 2022 02:48:06 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:55020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230518AbiBPHsE (ORCPT ); Wed, 16 Feb 2022 02:48:04 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0E5FF1E8C; Tue, 15 Feb 2022 23:47:47 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id w1so1382588plb.6; Tue, 15 Feb 2022 23:47:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:organization:in-reply-to :content-transfer-encoding; bh=JNZGxYeAs+ebgnSneE63ZkZJqPvz5hHBdDJ16ah7/no=; b=g0pxtZ/LcPE/VkC8NIHWOab7GsA5PlzOOmyV0w7a3vIHjWyb+39GnPx/hDjBkDBJv1 oCq9SFr8D3NiXQ+XXjsuY3ut8UXvHUcVG7XSWrugbzw3z+qiEFEGzsf4m32fsVLFMsao IbPmYF7IL0c0bhrK6M+keI8w4/FYNfbJf+t2bkwkoZ67JsOO0AYezhuD3JEMNnaWqJ6O DdiCG1lItb583sciYzG00ZcoQcR2IwdtKUB04Hk0GWNlGYOo8DcrM0pLF/NnVvqZuDj2 NmlM6UKM1H5tMErGp3bYHH+6P9ENkBrwkbAQB9fhTuBrC5ORqN+QvraPPAWzfY92GTl4 VTXQ== 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:organization:in-reply-to :content-transfer-encoding; bh=JNZGxYeAs+ebgnSneE63ZkZJqPvz5hHBdDJ16ah7/no=; b=DrotAgNwdpxwlidpHxREdo7sLweiXdyj8xPB3uZsA2FN1h/82Rrq7opQhL5/J2H+2D NIOD3WMNdUFZPAqzkZs6EjAZv8aEAqM9qPfc7BhzwgIS+v0ZSF4qGH2VoV69PnLSrSU2 pZ3DdLGompUX3Z5bwKKeJsjqHp4uxkQBdVec2ghjdA9YjIph1agN/ukxtLpGaTwScAJn deRAcqrAMJtrR2JuY3URYizjsmVYuw59nzpoD27aX1J0oljK7p0RvbRocGf7H+3yhLbD 67+wFZ8EulIRiftBJt7o/VPr+hw52BRUdsKnIHQNJpK+eBXR0QqvDnSv3NmK7ah3ySrE quug== X-Gm-Message-State: AOAM532HQMfwvISpHebOuaY+06Kyx7hAvBSMBZtuvOiSOuxDdhciDLXF HhPGFVSz3RsbkNhhQsOYPPrj8/PHJSt7gQac X-Google-Smtp-Source: ABdhPJzJDV20aZH2aZdkxUCNUDkxJ7owWjX/WIshNLFlpi4S0dP/BWhdLksIrzEUf6K5EWhLO3YLKA== X-Received: by 2002:a17:902:f082:b0:14e:e477:5125 with SMTP id p2-20020a170902f08200b0014ee4775125mr1396673pla.104.1644997662542; Tue, 15 Feb 2022 23:47:42 -0800 (PST) Received: from [192.168.255.10] ([103.7.29.32]) by smtp.gmail.com with ESMTPSA id p27sm6704232pfh.98.2022.02.15.23.47.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Feb 2022 23:47:42 -0800 (PST) Message-ID: Date: Wed, 16 Feb 2022 15:47:33 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.6.0 Subject: Re: [PATCH] KVM: x86/pmu: Fix reserved bits for AMD PerfEvtSeln register Content-Language: en-US To: Jim Mattson , David Dunn Cc: Paolo Bonzini , Joerg Roedel , Kim Phillips , Maxim Levitsky , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20211118130320.95997-1-likexu@tencent.com> From: Like Xu Organization: Tencent In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 12/2/2022 4:39 pm, Jim Mattson wrote: >> - pmu->reserved_bits = 0xffffffff00200000ull; >> + pmu->reserved_bits = 0xfffffff000280000ull; > Bits 40 and 41 are guest mode and host mode. They cannot be reserved > if the guest supports nested SVM. > Indeed, we need (some hands) to do more pmu tests on nested SVM.