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 7A82BCCA47D for ; Wed, 22 Jun 2022 16:44:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1376431AbiFVQo4 (ORCPT ); Wed, 22 Jun 2022 12:44:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359504AbiFVQop (ORCPT ); Wed, 22 Jun 2022 12:44:45 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8D9E5369D4 for ; Wed, 22 Jun 2022 09:44:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1655916283; 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=pPzUDtn7MUBOJvHbms5ez003D0L9U3ISPpMur3dPFnU=; b=Ezdlr1SoVVfsazHtc1kcQ8PF4wEUZ9K8/l70i2LdhheLVAUlN+PiEHI/z55ttiVPR3lJBn nbopVxEYMgXhgo921KhMH7/773SwbH6FiAEwLfrjbNISNYTLDHyvMmjwktFiYtjQzuYYOd F+kAA8REiBVRzZwz/8sk5o0T337soKc= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-241-OWK7qWCaNfm25c58Cceq7w-1; Wed, 22 Jun 2022 12:44:42 -0400 X-MC-Unique: OWK7qWCaNfm25c58Cceq7w-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C3A5129DD9A2; Wed, 22 Jun 2022 16:44:41 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.195.134]) by smtp.corp.redhat.com (Postfix) with ESMTP id 94FA640CFD0A; Wed, 22 Jun 2022 16:44:39 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini , Anirudh Rayabharam , Sean Christopherson Cc: Wanpeng Li , Jim Mattson , Maxim Levitsky , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RFC v1 03/10] KVM: VMX: Move CPU_BASED_{CR3_LOAD,CR3_STORE,INVLPG}_EXITING filtering out of setup_vmcs_config() Date: Wed, 22 Jun 2022 18:44:25 +0200 Message-Id: <20220622164432.194640-4-vkuznets@redhat.com> In-Reply-To: <20220622164432.194640-1-vkuznets@redhat.com> References: <20220622164432.194640-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 on 10.11.54.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Vitaly Kuznetsov --- arch/x86/kvm/vmx/vmx.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 01294a2fc1c1..4583de7f0324 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -4293,6 +4293,16 @@ static u32 vmx_exec_control(struct vcpu_vmx *vmx) CPU_BASED_MONITOR_TRAP_FLAG | CPU_BASED_PAUSE_EXITING); + if (vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_ENABLE_EPT) { + /* + * CR3 accesses and invlpg don't need to cause VM Exits when EPT + * enabled. + */ + exec_control &= ~(CPU_BASED_CR3_LOAD_EXITING | + CPU_BASED_CR3_STORE_EXITING | + CPU_BASED_INVLPG_EXITING); + } + #ifdef CONFIG_X86_64 if (exec_control & CPU_BASED_TPR_SHADOW) exec_control &= ~CPU_BASED_CR8_LOAD_EXITING & -- 2.35.3