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 3047BC43334 for ; Wed, 15 Jun 2022 12:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349151AbiFOMuf (ORCPT ); Wed, 15 Jun 2022 08:50:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56470 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349267AbiFOMt6 (ORCPT ); Wed, 15 Jun 2022 08:49:58 -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 E84E43CFE0 for ; Wed, 15 Jun 2022 05:49:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1655297371; 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=QSJfjgdN0vQG1u3bjjSqAwaUNHGoByzADLhrcH/GT+4=; b=ZfdTr6OhziHqzYQ7mzYIFgSzVyo1V8PB6agI7qEunGV8LMtslInj26B3h6p7q6OYTP6pn6 Q1sQzKK389/lyBSY9KuxPGc1rDI7LnbFH92mvJeeQmdbYpA3AabWdzLszRi6b3JTitCJBH 0sfi3cx98inFjZijWOb1IG5GRBWpEfw= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-397-Tb8qwV40NBWMMlUqXNkgow-1; Wed, 15 Jun 2022 08:49:28 -0400 X-MC-Unique: Tb8qwV40NBWMMlUqXNkgow-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 339C1100EB07; Wed, 15 Jun 2022 12:49:28 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.194.203]) by smtp.corp.redhat.com (Postfix) with ESMTP id 78E35401E68; Wed, 15 Jun 2022 12:49:26 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini , Anirudh Rayabharam Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH RFC v1 5/5] KVM: VMX: Support TSC scaling with enlightened VMCS Date: Wed, 15 Jun 2022 14:49:15 +0200 Message-Id: <20220615124915.3068295-6-vkuznets@redhat.com> In-Reply-To: <20220615124915.3068295-1-vkuznets@redhat.com> References: <20220615124915.3068295-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enlightened VMCS v1 now includes the required field for TSC scaling feature so SECONDARY_EXEC_TSC_SCALING can remain unfiltered. While on it, update the comment why VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL/ VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL are keept filtered out. Signed-off-by: Vitaly Kuznetsov --- arch/x86/kvm/vmx/evmcs.h | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h index f886a8ff0342..ffdf8955c62c 100644 --- a/arch/x86/kvm/vmx/evmcs.h +++ b/arch/x86/kvm/vmx/evmcs.h @@ -37,16 +37,14 @@ DECLARE_STATIC_KEY_FALSE(enable_evmcs); * EPTP_LIST_ADDRESS = 0x00002024, * VMREAD_BITMAP = 0x00002026, * VMWRITE_BITMAP = 0x00002028, - * - * TSC_MULTIPLIER = 0x00002032, * PLE_GAP = 0x00004020, * PLE_WINDOW = 0x00004022, * VMX_PREEMPTION_TIMER_VALUE = 0x0000482E, - * GUEST_IA32_PERF_GLOBAL_CTRL = 0x00002808, - * HOST_IA32_PERF_GLOBAL_CTRL = 0x00002c04, * - * Currently unsupported in KVM: - * GUEST_IA32_RTIT_CTL = 0x00002814, + * While GUEST_IA32_PERF_GLOBAL_CTRL and HOST_IA32_PERF_GLOBAL_CTRL + * are present in eVMCSv1, Windows 11 still has issues booting when + * VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL/VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL + * are exposed to it, keep them filtered out. */ #define EVMCS1_UNSUPPORTED_PINCTRL (PIN_BASED_POSTED_INTR | \ PIN_BASED_VMX_PREEMPTION_TIMER) @@ -58,7 +56,6 @@ DECLARE_STATIC_KEY_FALSE(enable_evmcs); SECONDARY_EXEC_ENABLE_PML | \ SECONDARY_EXEC_ENABLE_VMFUNC | \ SECONDARY_EXEC_SHADOW_VMCS | \ - SECONDARY_EXEC_TSC_SCALING | \ SECONDARY_EXEC_PAUSE_LOOP_EXITING) #define EVMCS1_UNSUPPORTED_VMEXIT_CTRL \ (VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \ -- 2.35.3