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 DC486C433EF for ; Tue, 14 Dec 2021 14:39:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234936AbhLNOjR (ORCPT ); Tue, 14 Dec 2021 09:39:17 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:21302 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233160AbhLNOjN (ORCPT ); Tue, 14 Dec 2021 09:39:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639492753; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oyWXnG+neDWU5V0//CHhGuirHGv/L4Z1aChq1FrAom4=; b=PClQoJIzG7BfKKJhyXxXi284PM2953doU1Jq5Nb9mXsWmebQIndnQ7j90yGaPvmLAA4hau LQNHJNHwueDbAYZ7QusLhMHQLtvh9xDIeeqGCWNyJnTB+jDs/zs/RAa+IFjhFMlAnq2Drr olGVOOALPRO3mM+t+uccMnkWyCqIrAE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-433-uialopCbOsG95QarSDxmIA-1; Tue, 14 Dec 2021 09:39:09 -0500 X-MC-Unique: uialopCbOsG95QarSDxmIA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 52D5B83DCD1; Tue, 14 Dec 2021 14:39:08 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.40.195.160]) by smtp.corp.redhat.com (Postfix) with ESMTP id 38F6678DEE; Tue, 14 Dec 2021 14:39:06 +0000 (UTC) From: Vitaly Kuznetsov To: kvm@vger.kernel.org, Paolo Bonzini Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , Maxim Levitsky , linux-kernel@vger.kernel.org Subject: [PATCH 2/5] KVM: nVMX: eVMCS: Filter out VM_EXIT_SAVE_VMX_PREEMPTION_TIMER Date: Tue, 14 Dec 2021 15:38:56 +0100 Message-Id: <20211214143859.111602-3-vkuznets@redhat.com> In-Reply-To: <20211214143859.111602-1-vkuznets@redhat.com> References: <20211214143859.111602-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enlightened VMCS v1 doesn't have VMX_PREEMPTION_TIMER_VALUE field, PIN_BASED_VMX_PREEMPTION_TIMER is also filtered out already so it makes sense to filter out VM_EXIT_SAVE_VMX_PREEMPTION_TIMER too. Note, none of the currently existing Windows/Hyper-V versions are known to enable 'save VMX-preemption timer value' when eVMCS is in use, the change is aimed at making the filtering future proof. Signed-off-by: Vitaly Kuznetsov --- arch/x86/kvm/vmx/evmcs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h index 16731d2cf231..3a461a32128b 100644 --- a/arch/x86/kvm/vmx/evmcs.h +++ b/arch/x86/kvm/vmx/evmcs.h @@ -59,7 +59,9 @@ DECLARE_STATIC_KEY_FALSE(enable_evmcs); 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) +#define EVMCS1_UNSUPPORTED_VMEXIT_CTRL \ + (VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | \ + VM_EXIT_SAVE_VMX_PREEMPTION_TIMER) #define EVMCS1_UNSUPPORTED_VMENTRY_CTRL (VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL) #define EVMCS1_UNSUPPORTED_VMFUNC (VMX_VMFUNC_EPTP_SWITCHING) -- 2.33.1