From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 12CB252842D; Tue, 22 Sep 2026 10:05:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790071541; cv=none; b=g/CacPIrbxyffzRZE075SPfqUabS4DMlPwuIe9LNmj2Pp9RlwGLOCf+TtulgvSEjCdZ5khzwI8iJdudin9EPTBcSc1Nrl3My7b1TZ/ptbAtIL5kNSNzawi2DYHa6uyEAYwmk0m8loCOUCggJwMFllGH6sTC2tWXAEbckInxikFk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790071541; c=relaxed/simple; bh=azqoBLcIRtkqga/94EgW9QqTc3pQevTwyEKoZ0sulzs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eqLcgkyGkOcyhZJ9YYCY2poy7y2F9bICD4PAdBcxju/oulEUOyFGLGCvKXuN0rLZ07EMq8n1UqePM+dE+eOM2ejTxJpopLgyavb3QXvPssuH1oxvhez/5h/dojQtBhF1VpGIXFiULygwc/hsbKyXXxqpYDzCds4UtRgq2Kz5xh8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IJ1RR8SQ; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IJ1RR8SQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790071539; x=1821607539; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=azqoBLcIRtkqga/94EgW9QqTc3pQevTwyEKoZ0sulzs=; b=IJ1RR8SQh4dxjPoIguBi8rQAvC37YP03QFbHM9oHrUvcejVVLx3uFzqW /6LPhCqQF9IgXYLRiXsXskjG3qE9BX8dO9Lz6CKZcCVjwPztSeyDu1ecV 7sVFJbbwtAL+IWMGzvezHBP6siN685N/VbDeWuPGT8kHG9MEy/VQclxd6 mZUgCEp2Oh6hdKm2045vDt1jQN/nFVavEo5NKqAcCgMeaNh+yVdI9cj13 xFohbDdFHsqkfmYDHB2kzhZqMF9CPiqnfWRm6d2K9SfcADTOGz7XB9nAV AnOM3r30dVVwIWs9VI3lmJyD+mZl3bfTXEotI8Mg/RCoV/4PGIjgDjHEM A==; X-CSE-ConnectionGUID: zisI6daNS6+4vuVXeA3DiA== X-CSE-MsgGUID: mSVDBkpUQAyVjT7I4bV6lQ== X-IronPort-AV: E=McAfee;i="6800,10657,11912"; a="102009456" X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="102009456" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 03:05:38 -0700 X-CSE-ConnectionGUID: UgLfJpcqQdC+iRM7cpWMvg== X-CSE-MsgGUID: Bc4Gm6yhSjmuIx4yAygBMg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,116,1787036400"; d="scan'208";a="271625176" Received: from unknown (HELO [10.238.208.182]) ([10.238.208.182]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2026 03:05:34 -0700 Message-ID: <620e7e38-4287-431c-8285-575c84aa1f6a@intel.com> Date: Tue, 22 Sep 2026 18:05:17 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 3/4] virt: tdx-guest: Use a variable to store the Quote buffer size To: Peter Fang , Dave Hansen , Kiryl Shutsemau , Rick Edgecombe , Kuppuswamy Sathyanarayanan Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , linux-kernel@vger.kernel.org, linux-coco@lists.linux.dev, kvm@vger.kernel.org, Binbin Wu , Tony Lindgren , Sean Christopherson , Artem Bityutskiy References: <20260915092632.2822169-1-peter.fang@intel.com> <20260915092632.2822169-4-peter.fang@intel.com> Content-Language: en-US From: Xiaoyao Li In-Reply-To: <20260915092632.2822169-4-peter.fang@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/15/2026 5:26 PM, Peter Fang wrote: > In preparation for dynamic Quote buffer size, replace the fixed size > constant with a variable. > > The constant is sprinkled across several places. Read the size from the > variable instead. > > Signed-off-by: Peter Fang > Reviewed-by: Kuppuswamy Sathyanarayanan > Reviewed-by: Tony Lindgren > Reviewed-by: Binbin Wu Reviewed-by: Xiaoyao Li One thing below, ... > @@ -417,7 +416,8 @@ static int __init tdx_guest_init(void) > if (ret) > goto deinit_mr; > > - quote_data = alloc_quote_buf(); > + quote_data_len = PAGE_ALIGN(GET_QUOTE_BUF_SIZE); > + quote_data = alloc_quote_buf(quote_data_len); since quote_data_len is a global variable, it looks no need to pass it around. Same for free_quote_buf()