From nobody Mon Sep 15 11:33:05 2025 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 3A496C7113E for ; Thu, 12 Jan 2023 16:44:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241162AbjALQoW (ORCPT ); Thu, 12 Jan 2023 11:44:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239924AbjALQhl (ORCPT ); Thu, 12 Jan 2023 11:37:41 -0500 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36D0F17E0F; Thu, 12 Jan 2023 08:33:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1673541238; x=1705077238; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aDh8l8QyBzPvoJNnJExVhMJrYHchkrlMThnHKBSIbWE=; b=WEOI22TBIQxbdNTVNPMOCOqjVKySkAoQHs5WGTokTuxt4fmc2xnALg+4 o0wlDQVHITFgpvXiWM9Xbu1UP4VMs/GI9nmYBczcmQwr6LyODHno8Lj+U jXF1wGjh3k/jooR3KpbPPysRTzPs/7CqmLiUCZX94UFMGjQet2wtNKVX/ qgbNzopJtmB+YKBjsWcX/c6wiDoNH4qCWtmVHYO7kSPbYu0UdSUAju24D L4OCl2cY7o3jbV9dH4yrUWm484vXoH7OHACrRkXbDGkeS4L0uTw71cTY+ Cac8MUwAguT4FsrZZ5S//IwUqeaGkZC4ffzx/svwYTKwmqI78MviD1g0X Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10588"; a="323811769" X-IronPort-AV: E=Sophos;i="5.97,211,1669104000"; d="scan'208";a="323811769" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2023 08:33:24 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10588"; a="721151708" X-IronPort-AV: E=Sophos;i="5.97,211,1669104000"; d="scan'208";a="721151708" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jan 2023 08:33:23 -0800 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Paolo Bonzini , erdemaktas@google.com, Sean Christopherson , Sagi Shahar , David Matlack , Chao Peng Subject: [PATCH v11 025/113] KVM: TDX: Use private memory for TDX Date: Thu, 12 Jan 2023 08:31:33 -0800 Message-Id: <4c3f5462852af9fd0957bb7db0b04a6f2d5639ee.1673539699.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Chao Peng Override kvm_arch_has_private_mem() to use fd-based private memory. Return true when a VM has a type of KVM_X86_TDX_VM. Signed-off-by: Chao Peng Signed-off-by: Isaku Yamahata --- arch/x86/kvm/x86.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d548d3af6428..a8b555935fd8 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -13498,6 +13498,11 @@ int kvm_sev_es_string_io(struct kvm_vcpu *vcpu, un= signed int size, } EXPORT_SYMBOL_GPL(kvm_sev_es_string_io); =20 +bool kvm_arch_has_private_mem(struct kvm *kvm) +{ + return kvm->arch.vm_type =3D=3D KVM_X86_TDX_VM; +} + EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_entry); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_exit); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_fast_mmio); --=20 2.25.1