From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 177502BE034 for ; Thu, 25 Jun 2026 05:19:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782364766; cv=none; b=LcmknbVkeAKMQwMbhTzg6HWcIweK1XVSdC8MU9Si7wqKGPfOX2wrgntZQ4TaLdGh/P8Eo4WFQjCpXHwzxzk2lBp7v2xl9zOn5H4Bg1+vsJZe7bdBeApMB9m7ZNbTYTdyUJH66Yeh/+T5/yR6DxEq1AYAmwRAMi1xwIa1LicLNsY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782364766; c=relaxed/simple; bh=dd9YkuM2YzsaF4WuicVaxwqdNyWNt74Oh8Mq7k3AR2c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=L/jVycsxEXIlyoeoGy1Q2eXeNS3LgdrhxqryCfOz9bDTKD9oMO0bJP1LK6Ui4h53inX9hw52jw+ldV9weXYeM8xcdMSYanvhzfQ+L8OCDsDI3JRB22nmHRYtJ14N3qOpmil3Vd6K2MZsUq29LXrXkkGLLHxgZWRuTmDT6Zx4Gzg= 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=OzlcuY1a; arc=none smtp.client-ip=192.198.163.9 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="OzlcuY1a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782364765; x=1813900765; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=dd9YkuM2YzsaF4WuicVaxwqdNyWNt74Oh8Mq7k3AR2c=; b=OzlcuY1acDXOMriXH7IHSt5T3/vvxFeuqw6DOvrlsE1IkVJAPSb4QoLu /6wSpH7qnAw7+jsw4zahhJQhXo9Ew/2wngEvyFggOwhHPywNsaT8ZVL50 qmqJUbYZQAPXX1DI/cOV0/Q/eJJU8kkOP4iTFRLsC1Qe++MUzRu+WDjjz m8G1KgFR4loPIdLzMakLkfic1aRei/Ce6v0rKdlSakAv1JOXZ102MXsAk sgJ/4pl0cdXfRZmElMEy0z9NzVc7z7Q+WfMmWH/K9qt2AgLemED5LUpEG 6F6xcwbxcoi9/Hgsysiiux+aV2ZwnHS0Lop9ZHUa3OQUOGuKV9rK/FzHq Q==; X-CSE-ConnectionGUID: 1AmVVTbbSe2jSoLXWBf5TA== X-CSE-MsgGUID: prJ2NNa3Q/mj+Bh6SeFk8g== X-IronPort-AV: E=McAfee;i="6800,10657,11827"; a="93789064" X-IronPort-AV: E=Sophos;i="6.24,223,1774335600"; d="scan'208";a="93789064" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2026 22:19:24 -0700 X-CSE-ConnectionGUID: 8LQhUKjkRY2o1SFF/NwFUA== X-CSE-MsgGUID: g98MKyAWT/qeqtQN2zZVsg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,223,1774335600"; d="scan'208";a="247252936" Received: from conormcd-mobl2.ger.corp.intel.com (HELO localhost) ([10.245.245.64]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jun 2026 22:19:19 -0700 Date: Thu, 25 Jun 2026 08:19:16 +0300 From: Tony Lindgren To: Xu Yilun Cc: x86@kernel.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, djbw@kernel.org, kas@kernel.org, rick.p.edgecombe@intel.com, yilun.xu@intel.com, xiaoyao.li@intel.com, sohil.mehta@intel.com, adrian.hunter@intel.com, kishen.maloor@intel.com, peter.fang@intel.com, baolu.lu@linux.intel.com, zhenzhong.duan@intel.com, dave.hansen@intel.com, dave.hansen@linux.intel.com, seanjc@google.com Subject: Re: [PATCH v2 03/17] x86/virt/tdx: Detect if the extensions initialization is required Message-ID: References: <20260618081355.3253581-1-yilun.xu@linux.intel.com> <20260618081355.3253581-4-yilun.xu@linux.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: <20260618081355.3253581-4-yilun.xu@linux.intel.com> On Thu, Jun 18, 2026 at 04:13:41PM +0800, Xu Yilun wrote: > TDX module extensions support extension SEAMCALLs that are preemptible > and resumable, unlike normal SEAMCALLs that run to completion while > monopolizing the CPU. This allows for higher-level API constructions, > so better supports some add-on features that implement higher order > security protocols. How about "TDX module extension SEAMCALLs are preemptible and resumable..." above to make it easier to read? Other than that: Reviewed-by: Tony Lindgren