From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 A7D1332D43B for ; Mon, 26 Jan 2026 09:57:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769421427; cv=none; b=WRVaa+S4ARpAyixfRIQLCxZ7VHrDZ4ciDADOG+kKxU+7ZjpqMUKYhUx4on36cNJdlxHBfHoadn1ze/lXgzRIN7LE3zatQX4zR61pwmBNNQAQAlEedsqIqdG7FjsJzlR95yc82SObwENc19J0azzSr2onbpZKpWSxtK+lIn2k9c8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769421427; c=relaxed/simple; bh=6L2WsHp5StbLTHRapsIb/r2sE+yIgZ58XjuLHYlApdY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EsgAJ9ovz5RYE5R57dk0XOoTgGje441qEMY/74+ayFLJNaY5BV15hML32mZhLRSAzajW5siWsXRZGOLf9avAqCsZfjnlNClMvdi6aM5F5M4GC7enAPnUebCwNPIUmUGX2vuNTT6KfnVRb0mWH1Tfg4y0yaOFQma+oYBrYdSQLmA= 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=hjiGVA04; arc=none smtp.client-ip=198.175.65.17 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="hjiGVA04" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769421426; x=1800957426; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=6L2WsHp5StbLTHRapsIb/r2sE+yIgZ58XjuLHYlApdY=; b=hjiGVA04bPiT21iA9qoAqKVqBv10HHev7gu78iafPE2md1Hvj+SEifZN M6H7FWWbuBqq7B4fny5m9nGV3oVSlX0HB4d7YF6ap7FY3juWiwHyhe8xO xdCHebx44kzY5oBY/A8ZExOOAZinqOzz0/cr0M8XBMeuvHNGGXUbnDQz5 A4ejARamvy+8CgC2d1iaXuk4zszGiwBQum5UBkSEG4CgpcXenqa2rt1ry c7/u5tCnCzLVVgtKKUuA7J+tgJjLcOQKvOVEJHvuW2tVOjFKAG7YoxmIs X954igc1uimWjSK/Vme1hgjRJzw9bXy/SjTNreMG2A6JJwYvWgQK4txdQ w==; X-CSE-ConnectionGUID: wRPnpaNCQyGl+CGzSJJfAA== X-CSE-MsgGUID: uHcjrxxQQYeXzenl/OoaGQ== X-IronPort-AV: E=McAfee;i="6800,10657,11682"; a="70564505" X-IronPort-AV: E=Sophos;i="6.21,254,1763452800"; d="scan'208";a="70564505" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 01:57:06 -0800 X-CSE-ConnectionGUID: IdaeJ4u2SXOYgVjZbUbQHA== X-CSE-MsgGUID: tRjcD5NDSZ6dKkHhOQY2UQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,254,1763452800"; d="scan'208";a="207991970" Received: from krybak-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.55]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 01:57:00 -0800 Date: Mon, 26 Jan 2026 11:56:56 +0200 From: Tony Lindgren To: Chao Gao Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, x86@kernel.org, reinette.chatre@intel.com, ira.weiny@intel.com, kai.huang@intel.com, dan.j.williams@intel.com, yilun.xu@linux.intel.com, sagis@google.com, vannapurve@google.com, paulmck@kernel.org, nik.borisov@suse.com, zhenzhong.duan@intel.com, seanjc@google.com, rick.p.edgecombe@intel.com, kas@kernel.org, dave.hansen@linux.intel.com, vishal.l.verma@intel.com, Farrah Chen Subject: Re: [PATCH v3 09/26] coco/tdx-host: Expose P-SEAMLDR information via sysfs Message-ID: References: <20260123145645.90444-1-chao.gao@intel.com> <20260123145645.90444-10-chao.gao@intel.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260123145645.90444-10-chao.gao@intel.com> On Fri, Jan 23, 2026 at 06:55:17AM -0800, Chao Gao wrote: > TDX Module updates require userspace to select the appropriate module > to load. Expose necessary information to facilitate this decision. Two > values are needed: > > - P-SEAMLDR version: for compatibility checks between TDX Module and > P-SEAMLDR This is great to have: Reviewed-by: Tony Lindgren