From nobody Mon Feb 9 10:32:36 2026 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 BD1A4C38A02 for ; Sun, 30 Oct 2022 06:25:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230200AbiJ3GZd (ORCPT ); Sun, 30 Oct 2022 02:25:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229872AbiJ3GYI (ORCPT ); Sun, 30 Oct 2022 02:24:08 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D3809106; Sat, 29 Oct 2022 23:24:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667111046; x=1698647046; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=3Jh8nljoKLt6zY7RQFbcFy85RXbREQjhP5gORZY8yN4=; b=C4L1RMV2LCP33zq6TM/YXDGG5g0hd1+BTXyR4K9Q1vFkkFSG597aoAj0 B0iyynqQQ9SlpiNKn+uKY/4PoBy8auKflpksl72SIG7oSy1NXq5cAXLGh Fip+fviDnBpyuPvLcyjcK+NMcC8oBys6oWfaBNlkktCh/hRArnIiqwS/i FnpgY3GW4ip0lg1DzWfbKVy+8g5Opmwne0aDIBb7oTvEBwxFxEZcxUZRg kQg3qy+hwhbjj8agzCSBE2mD9+vKt4uokordt8afj2DLetNRQx4Gx4J84 ywU7kmBOJm93EvJz8lWwmXr8y0sBRFkfkaGdmLsswNYwIovYKl/kRxTRK Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10515"; a="395037138" X-IronPort-AV: E=Sophos;i="5.95,225,1661842800"; d="scan'208";a="395037138" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2022 23:24:01 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10515"; a="878392918" X-IronPort-AV: E=Sophos;i="5.95,225,1661842800"; d="scan'208";a="878392918" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2022 23:24:01 -0700 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 v10 026/108] KVM: TDX: Use private memory for TDX Date: Sat, 29 Oct 2022 23:22:27 -0700 Message-Id: <009f75283b0d7084c9eecd0e712d18818d005170.1667110240.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 a811d643f71c..ba4a9ce0ee80 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -13862,6 +13862,11 @@ 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