From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 44AB8253F39 for ; Fri, 21 Nov 2025 08:41:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763714510; cv=none; b=Oi7EC6992sqx3/OtfKiaa11zMbPZJbQjqwIXIPCt1mzvtNxn+sqn+gR7+urcRNxDX6eyTEWdR5XhRhz8fUcYnEmHuNi5UJ7jETlGNmUQlR0VRJ7pItpbVtPew293dy6A3ZMWpdPEnOcnCYwE0GuRrYLCnjp0LgRjvmphdexl0Hk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763714510; c=relaxed/simple; bh=AHJ5lm9ErUYu5c/WZuKVm/ohU45i2CfP1t52hdi2j5Q=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=UIrp9VV+CaS1UNlGeLDheGyM51utodtxsfjFK6oqdN7MvN9uTuuNozIZ8n5AIu1rF+xc6/x6N4gi1nEvFXS82PDkIzUX1Gq4JmM07s7LgIjaA+BraLk3OyJBjXn8uUmoMYttmKu2LM1DQP/+FCDwzHmSsfr9oL8Fz2Xbs8l0bhQ= 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=WUs0ayEA; arc=none smtp.client-ip=198.175.65.19 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="WUs0ayEA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763714508; x=1795250508; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=AHJ5lm9ErUYu5c/WZuKVm/ohU45i2CfP1t52hdi2j5Q=; b=WUs0ayEAoq5xikdZOERt2z1m2fMa6B34dp3NdhtVhXcA738EhMP2iEAu HjmsM0wJZO+p9WHGgcxZNwEN14HusNaq0TAiuJ5AmcJihGlJ7uBRP790j KezO6k8uqRB9s+NKNG7DI4wUpV+pgxb6dI4hGS5EvXv+vvuDC7oaN2+mu M5Iq8UjPI8IgCGy89pbtiiQcN8+HXKY+iHwCc/FFdbSoQPu5FuCWzYFss A1bLSffkbMoL5DSgvSVj3vXrCIoc2Hs7MfULAGk1NGr6kjIDCXuqaAS7B liPPh+uWfojLTqzCcULH40DZccu1PmYKlD/7ZxxTiuQn1o8O8QNAg2+cT A==; X-CSE-ConnectionGUID: usgW1n68RQSARd/M7mChDQ== X-CSE-MsgGUID: WmyZ+dBeTkO2ldG8GtvkXw== X-IronPort-AV: E=McAfee;i="6800,10657,11619"; a="65681846" X-IronPort-AV: E=Sophos;i="6.20,215,1758610800"; d="scan'208";a="65681846" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2025 00:41:48 -0800 X-CSE-ConnectionGUID: nhbkT4ixQteB80zjaRXFbQ== X-CSE-MsgGUID: dfHDMKpvSbml6rc4WhAktA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,215,1758610800"; d="scan'208";a="190847688" Received: from binbinwu-mobl.ccr.corp.intel.com (HELO [10.124.241.55]) ([10.124.241.55]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2025 00:41:43 -0800 Message-ID: Date: Fri, 21 Nov 2025 16:41:40 +0800 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 05/21] x86/virt/seamldr: Introduce a wrapper for P-SEAMLDR SEAMCALLs To: Chao Gao Cc: linux-coco@lists.linux.dev, linux-kernel@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, Farrah Chen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , "Kirill A. Shutemov" References: <20251001025442.427697-1-chao.gao@intel.com> <20251001025442.427697-6-chao.gao@intel.com> Content-Language: en-US From: Binbin Wu In-Reply-To: <20251001025442.427697-6-chao.gao@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/1/2025 10:52 AM, Chao Gao wrote: [...] > > +config INTEL_TDX_MODULE_UPDATE > + bool "Intel TDX module runtime update" > + depends on TDX_HOST_SERVICES > + help > + This enables the kernel to support TDX module runtime update. This > + allows the admin to update the TDX module to the same or any newer any newer -> any compatible newer ? > + version without the need to terminate running TDX guests. > + > + If unsure, say N. > + >