Message ID | 20230603011058.1038821-4-seanjc@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <kvm-owner@vger.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 208B1C77B7A for <kvm@archiver.kernel.org>; Sat, 3 Jun 2023 01:11:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237106AbjFCBLV (ORCPT <rfc822;kvm@archiver.kernel.org>); Fri, 2 Jun 2023 21:11:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42812 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236989AbjFCBLP (ORCPT <rfc822;kvm@vger.kernel.org>); Fri, 2 Jun 2023 21:11:15 -0400 Received: from mail-oi1-x24a.google.com (mail-oi1-x24a.google.com [IPv6:2607:f8b0:4864:20::24a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AC7BE4C for <kvm@vger.kernel.org>; Fri, 2 Jun 2023 18:11:08 -0700 (PDT) Received: by mail-oi1-x24a.google.com with SMTP id 5614622812f47-397f122786fso2224969b6e.1 for <kvm@vger.kernel.org>; Fri, 02 Jun 2023 18:11:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1685754667; x=1688346667; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=OHgmCWhsFgWWc85nvi+clBbGRI79fcIkNTIgsGqvymM=; b=rlxDfPJjRdF2a+2a8IL9CQM3ryLHp/fQFGIDzVWEwkAjbu3rsh9eN4/R438auoMsLx irdotbBF0L1VqKT7sLdHg3PikykqWcUlNX6wVlhaUAfH5PKTV+UUR+TyBafKzG8MjC4E tp1WnkLmqwfZvQaRXg6jlLso8YEnv2L36GuDh8uar0YoEOeMWHsovwHhs2G9+A+3kHmr V/qpzImsl5mxJI5ns7EKgEttGZ561aBmdHz/ppbAqpuZmX8j8rgPc/m4SgD+T641muzY vWeaDVcIuFit0C86mc8OyyT6Pgkn1zccHXMcLo0+BpC9MFyGHv6tOIf9BOGgQIFhgJGx UvHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685754667; x=1688346667; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=OHgmCWhsFgWWc85nvi+clBbGRI79fcIkNTIgsGqvymM=; b=bNyW6JWT4McGX68cFfQGHWQtIoBHCqRKEpbmg0LNXFkcd60O920FnqQytWKF9xWOGz r3FbKfDmstfvV5Ti1S27B8rdZIM8jzsFopF3Wcgfq1d7hydQ7YxLJBj8HmSz7MQYkJsL BHAsEg1SCzW+dna5JO4NbQmsGBGrZa2kYJiKTxdPhCD1/IKXCAtalpKFtg+KrRVzavX7 Km8jetgvDafAJf+QQYu6mev9vBS+iN6qaXxwX+4pcVzDQlQ7fO8l6ZsgsvxWloibAMnZ quYSBJgjWyg6Ig6aVur5CpH/gAiCE3GA7oYq1g4F1g2OI3KOf1pVd2+KpcIerrrIcnnb XHrQ== X-Gm-Message-State: AC+VfDwXZUbQoMoNhEsb63TiIASJobSd7OoINp3r/qxb85J/FCLswPvO WH7HT3fKQ5nvrLMvGm/8CY+59d5mkd4= X-Google-Smtp-Source: ACHHUZ7fj12g6vQgJPTgDrxbgsW/k0ZxqGChmghKukBdZMacw+XVprDLohrghb7z31IURsAjBSVpN4gjegg= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:aca:a888:0:b0:399:ee8f:6cdc with SMTP id r130-20020acaa888000000b00399ee8f6cdcmr341691oie.9.1685754667468; Fri, 02 Jun 2023 18:11:07 -0700 (PDT) Reply-To: Sean Christopherson <seanjc@google.com> Date: Fri, 2 Jun 2023 18:10:49 -0700 In-Reply-To: <20230603011058.1038821-1-seanjc@google.com> Mime-Version: 1.0 References: <20230603011058.1038821-1-seanjc@google.com> X-Mailer: git-send-email 2.41.0.rc2.161.g9c6817b8e7-goog Message-ID: <20230603011058.1038821-4-seanjc@google.com> Subject: [PATCH v7 03/12] KVM: x86/pmu: Reject userspace attempts to set reserved GLOBAL_STATUS bits From: Sean Christopherson <seanjc@google.com> To: Sean Christopherson <seanjc@google.com>, Paolo Bonzini <pbonzini@redhat.com> Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Like Xu <like.xu.linux@gmail.com>, Like Xu <likexu@tencent.com>, Jim Mattson <jmattson@google.com>, Sandipan Das <sandipan.das@amd.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
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KVM: x86: Add AMD Guest PerfMonV2 PMU support
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diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c index edcf8670eb4e..efd113f24c1b 100644 --- a/arch/x86/kvm/vmx/pmu_intel.c +++ b/arch/x86/kvm/vmx/pmu_intel.c @@ -402,6 +402,9 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (!msr_info->host_initiated) return 1; /* RO MSR */ + if (data & pmu->global_status_mask) + return 1; + pmu->global_status = data; break; case MSR_CORE_PERF_GLOBAL_CTRL: