From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 975E12C11CA; Wed, 10 Jun 2026 03:44:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781063090; cv=none; b=rtqXX6+edMQygvJV8Jeh8Idh7b+CsHmHsUrC3B50N1WfkQSd3BRGKyGrQj17G2Bg4Y0v9sLQTLb2r9EDW+K//BN48tCuokfogYVaTUrRxH2aADOBFaxSpzfMfpIIQ7OCdy64NqECZZqIIMG+0ItFyDaGZzneHN48L2yJWbmbaWA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781063090; c=relaxed/simple; bh=5m8rpWcj8S1LrjDLtPFW7I3UyIZB8r+D/oJzbIFA1uY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=J+D8KwT2sm6pf4ajIdn3oQnEfDUYOSeiV6lGJG5KlIV2UUELMzhQGffaXnWB4nc6VMRkF/59qQ6/9WdlhJs2wAt5DrnCOLsu+Pp9EU3jSXja4TTZp4EUL2TDNVPU2qV9rRQv68UrNts4kybY/YFHyhK7AxSZfAEIlSzWj/dI6pI= 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=BcSyLRB5; arc=none smtp.client-ip=198.175.65.9 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="BcSyLRB5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781063089; x=1812599089; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5m8rpWcj8S1LrjDLtPFW7I3UyIZB8r+D/oJzbIFA1uY=; b=BcSyLRB5GFLKYbzj0l1xnk9VYabDuYIZwR7isD2V9wJg57MH7xrnVet5 fBu4iZzMjm51cldFzjyibv/tx6baw50KSollbX4sRZWxyahUaFoYUQ47I p3brSUS0YkiWG4rlXfVjG9SFLUmI3OmI2dTCkSfp68DWgA3RQEQaiK7Cu r6ZZ80o33zPA6t2dMczmsnuVBwG9CpQt1S2lNXOA8qoNbyQcLryLLsPzU OTSYoEl31t+QTchqA4o2ZO+y5DiCMW3pY2iZcVJbD2rr0XZT3sMMZ2/mH hpzwdXRoStNXDPaqjPFu1aStAPZFUPkAaRN8B9A6bqW+IX1ORD1KG75UG Q==; X-CSE-ConnectionGUID: PGr9x+hlTC6t6nXN0cj33w== X-CSE-MsgGUID: 1MFNxNTWRr6rPrJlICa1Yg== X-IronPort-AV: E=McAfee;i="6800,10657,11812"; a="104511842" X-IronPort-AV: E=Sophos;i="6.24,197,1774335600"; d="scan'208";a="104511842" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2026 20:44:48 -0700 X-CSE-ConnectionGUID: iVCN9X4TTrCCDqpOnegVsw== X-CSE-MsgGUID: im8uohycQcuHzMFbyuHPgw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,197,1774335600"; d="scan'208";a="245198930" Received: from yilunxu-optiplex-7050.sh.intel.com (HELO localhost) ([10.239.159.165]) by orviesa010.jf.intel.com with ESMTP; 09 Jun 2026 20:44:45 -0700 Date: Wed, 10 Jun 2026 11:20:08 +0800 From: Xu Yilun To: Adrian Hunter Cc: kas@kernel.org, djbw@kernel.org, rick.p.edgecombe@intel.com, x86@kernel.org, peter.fang@intel.com, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, sohil.mehta@intel.com, yilun.xu@intel.com, baolu.lu@linux.intel.com, zhenzhong.duan@intel.com, xiaoyao.li@intel.com Subject: Re: [PATCH 01/15] x86/virt/tdx: Read global metadata for TDX Module Extensions Message-ID: References: <20260522034128.3144354-1-yilun.xu@linux.intel.com> <20260522034128.3144354-2-yilun.xu@linux.intel.com> <1783e7bd-3759-41f7-93e3-2f9e21264bd4@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1783e7bd-3759-41f7-93e3-2f9e21264bd4@intel.com> On Tue, Jun 09, 2026 at 04:06:50PM +0300, Adrian Hunter wrote: > On 22/05/2026 06:41, Xu Yilun wrote: > > Add reading of the global metadata for TDX Module Extensions. > > For tip, isn't the expectation to explain the context first. The > very first patch, might be a good place to explain a bit about > TDX Module Extensions in general. Yes. I'm trying to add a long context for the first patch but was suggested to move to cover-letter. I think I can add a brief introduction at the beginning: TDX module introduces a new concept caled "TDX module Extension" to support long running / hard-irq preemptible flows inside. ...