From patchwork Sat Apr 24 00:46:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 12222185 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 DA563C433B4 for ; Sat, 24 Apr 2021 00:55:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB8A561465 for ; Sat, 24 Apr 2021 00:55:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244667AbhDXAzp (ORCPT ); Fri, 23 Apr 2021 20:55:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244669AbhDXAyW (ORCPT ); Fri, 23 Apr 2021 20:54:22 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4C9BC0612A5 for ; Fri, 23 Apr 2021 17:48:24 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 7-20020a5b01070000b02904ed6442e5f6so3085037ybx.23 for ; Fri, 23 Apr 2021 17:48:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=reply-to:date:in-reply-to:message-id:mime-version:references :subject:from:to:cc; bh=oyVUQsNf2XbjaOTtJporiUactMrDu8dgH9+VujzngIc=; b=i2htVs7R+LB4UeHXF7qO4pwcNIptJJ2+4/sMOE4V28rul7Vr3jf37UUAx9N08ahTtq v/MjJRGHgVPMSPSz+RTrfc+dZE2UWQOXKgsoSEpipjHh3FjnOeq2mO/KKSIGIL6Bg5Eh lyao12REP5QCPRsqu0O1nK4+xpCGupMZ/nNVeIUPYFKZsEnOnm/RbtxufQJB1qn7bSgn B4eAqoSQium9JVDnDY6qhcvuedHreP/rTEhJKptxS0eZW0yGjEGagcV9KGujZrC7hfpL Bwg4B9+f+OecO3j8HnoT2/K54seMd79FF3Fo0ZEGPG0u1JhGkdht5HrEqj0+NF/TOD+3 PDnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:date:in-reply-to:message-id :mime-version:references:subject:from:to:cc; bh=oyVUQsNf2XbjaOTtJporiUactMrDu8dgH9+VujzngIc=; b=jB7/z9G8LgXtaZhm1bWjao90qEH3Tei4vKUDW3Zx/r8z/dpXtYr9y0v9E3W+6rF3PG ECNFiC7hgk58IMbaT+ab+PMj5PuHWr1+IUkoWr+rBkmi9CttdMHcq30Zqb8pHRQDZgki 2JyBPFZ1XFWOFAJ4ZAsZv3ZOw+i+carWUxxIuxqyp1dTcLjFOvaqAKgoj4RkkuQj4hqN ff3EEKajsnQi11AeB2IU36EM4spHDLHt+rifYvVe8esFXPWRy0gHBusMnSaXd21qeFXX 28jVDPP3YfJYSLftEMA9gR7PMiRDbbtBXgf2SlwDYr7NSHSrSfBgJQqN5DCzWvuhGd52 VeGw== X-Gm-Message-State: AOAM531GPwVGNvYnNLy2zE+ckw/dH00j1pzt4cnjtSI9QAoO2otv7rCy +/f7gWVu0Dgg29AD2e4cpHmCuoBaQKU= X-Google-Smtp-Source: ABdhPJzHBq0sbNM2r7DOXFRJi+6RJhB/VG+TDbd1QTSuIvUr1Dy5UE8zNRs1SBS7+weybKMIxtBBMirt5sE= X-Received: from seanjc798194.pdx.corp.google.com ([2620:15c:f:10:ad52:3246:e190:f070]) (user=seanjc job=sendgmr) by 2002:a25:a265:: with SMTP id b92mr9083215ybi.486.1619225304165; Fri, 23 Apr 2021 17:48:24 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 23 Apr 2021 17:46:40 -0700 In-Reply-To: <20210424004645.3950558-1-seanjc@google.com> Message-Id: <20210424004645.3950558-39-seanjc@google.com> Mime-Version: 1.0 References: <20210424004645.3950558-1-seanjc@google.com> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog Subject: [PATCH 38/43] KVM: VMX: Don't redo x2APIC MSR bitmaps when userspace filter is changed From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Drop an explicit call to update the x2APIC MSRs when the userspace MSR filter is modified. The x2APIC MSRs are deliberately exempt from userspace filtering. Signed-off-by: Sean Christopherson --- arch/x86/kvm/vmx/vmx.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 45a013631f63..beaf9fefddad 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4055,7 +4055,6 @@ static void vmx_msr_filter_changed(struct kvm_vcpu *vcpu) } pt_update_intercept_for_msr(vcpu); - vmx_update_msr_bitmap_x2apic(vcpu, vmx_msr_bitmap_mode(vcpu)); } static inline bool kvm_vcpu_trigger_posted_interrupt(struct kvm_vcpu *vcpu,