From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0237E32571E; Thu, 30 Oct 2025 02:32:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761791539; cv=none; b=tJqafaGgRaL34+DjDTswhDpirzEiR2ODbDpoVbktx5JOm3tOyslbs41idwJ82Eqb2QHr5NckmzHX1TZBaloBngGpEXQtkqKhqjQwWjf/A2a6VsQ/gulYrFmSSr+wOwBDcKP8Ofj0OB50aR3G9by+mBAIjZgnspTc0nAThmi2pdE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761791539; c=relaxed/simple; bh=AsRZmcnko9an9X3hiGxxbz4TEtlRNH7py8FQbHxj0Rk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=hpEMiFrjFw6AMyPo81O2aQQWCXSA+kLcG8cCfc8B9fHz98xLFDe1uRmkjYiG+D5X+mgvKVb5iEHgLxV4p5Y9x8GGb9bYcWLHRS8d8f3GudFpUtKiJ/l4L8VFqkQ6hK5twXgA7RFg9u4hTSvNvHY/d9PeWWDIZSFjeDtxS9b+eto= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=P4FS+I0l; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="P4FS+I0l" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761791537; x=1793327537; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=AsRZmcnko9an9X3hiGxxbz4TEtlRNH7py8FQbHxj0Rk=; b=P4FS+I0lAk5glX/U7dCTbB0R8Vzk5RayvWxkRnwDeyZhRwr7kxHzjYjX NRK7hN34nninzrXQFerd5UqqqXNG70apNgyrJrx9OUrhBisig7MNyQCZT verzb2CwD5KsMPtW4bo9/VprbPBBEi6vRuv0QZh1e9wgLlbUlkZQYw3Aw LjO0WggU5GMt12f5aTsVHbwo6m2Fo3fSObgZva1zUI0MJQLXwr51Oogr8 zhOTzXrsQzGnmcJXVXi2fYdms8CKIKCkK8bKUsniDQ35O3p/BTZm274eK /z7Do0AEFEdQxX+E9XTLf0bv5V2wH1fl+0bxrTJeNHlX8mVU97dfPg6AU A==; X-CSE-ConnectionGUID: 5sbU5hrAQFKVmX96sN5+cg== X-CSE-MsgGUID: SS/E2X7kSOOG+Gd2O6A1Sg== X-IronPort-AV: E=McAfee;i="6800,10657,11597"; a="63625336" X-IronPort-AV: E=Sophos;i="6.19,265,1754982000"; d="scan'208";a="63625336" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2025 19:32:16 -0700 X-CSE-ConnectionGUID: fcnTKSNTS6S55PqSrqkHNw== X-CSE-MsgGUID: jgGGiN5cR8ujUDjVfRd3Zw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,265,1754982000"; d="scan'208";a="185083471" Received: from yinghaoj-desk.ccr.corp.intel.com (HELO [10.238.1.225]) ([10.238.1.225]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Oct 2025 19:32:11 -0700 Message-ID: Date: Thu, 30 Oct 2025 10:32:09 +0800 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 14/23] KVM: selftests: Add helpers to init TDX memory and finalize VM To: Sagi Shahar Cc: linux-kselftest@vger.kernel.org, Paolo Bonzini , Shuah Khan , Sean Christopherson , Ackerley Tng , Ryan Afranji , Andrew Jones , Isaku Yamahata , Erdem Aktas , Rick Edgecombe , Roger Wang , Oliver Upton , "Pratik R. Sampat" , Reinette Chatre , Ira Weiny , Chao Gao , Chenyi Qiang , linux-kernel@vger.kernel.org, kvm@vger.kernel.org References: <20251028212052.200523-1-sagis@google.com> <20251028212052.200523-15-sagis@google.com> Content-Language: en-US From: Binbin Wu In-Reply-To: <20251028212052.200523-15-sagis@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/29/2025 5:20 AM, Sagi Shahar wrote: > From: Ackerley Tng > > TDX protected memory needs to be measured and encrypted before it can be > used by the guest. Traverse the VM's memory regions and initialize all > the protected ranges by calling KVM_TDX_INIT_MEM_REGION. > > Once all the memory is initialized, the VM can be finalized by calling > KVM_TDX_FINALIZE_VM. > > Signed-off-by: Ackerley Tng > Co-developed-by: Erdem Aktas > Signed-off-by: Erdem Aktas > Co-developed-by: Sagi Shahar > Signed-off-by: Sagi Shahar Reviewed-by: Binbin Wu