From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C3A8C433F5 for ; Wed, 20 Apr 2022 22:40:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1382943AbiDTWmx (ORCPT ); Wed, 20 Apr 2022 18:42:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1382966AbiDTWm0 (ORCPT ); Wed, 20 Apr 2022 18:42:26 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51FB443384; Wed, 20 Apr 2022 15:39:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650494358; x=1682030358; h=message-id:subject:from:to:cc:date:in-reply-to: references:mime-version:content-transfer-encoding; bh=90feSWrZ1goRaiK9b3nAN11GuylFb6fRBN0S0ksIIFg=; b=Sq+H9M7fdUly7+ZEw9pMk7A56zmfStFIKAxyfsPnFa4YMNI8TwBI1PFW IpUu9jsmjrvSkVi4FtoxPsiFpeWOX/QhCviq3q1jaCLM2phfoxXoAmpFJ 0N7NVjQGrTlAtU84tFiGMeEP7fm4/SuCHJpXg5T/FWDYsbuZV7g/lzXKS rD9m5l7CMw9WKXxNGKcVSxhVhfZCSEktyQ8Dj6UERccN1ykZbMagokbjq 1vQOUAlbr2Smvc/b43u1LrN5xcFXO7rCui68NqWFvh6/8R6MoUdFGitTg bbkvdmXKF8XbWIIa7I9nUBz7aRI5F1IL/P0kHJa1aGASqgPWyeU2gn1AM w==; X-IronPort-AV: E=McAfee;i="6400,9594,10323"; a="289279971" X-IronPort-AV: E=Sophos;i="5.90,276,1643702400"; d="scan'208";a="289279971" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2022 15:39:17 -0700 X-IronPort-AV: E=Sophos;i="5.90,276,1643702400"; d="scan'208";a="555427233" Received: from ssharm9-mobl.amr.corp.intel.com (HELO khuang2-desk.gar.corp.intel.com) ([10.254.30.148]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2022 15:39:13 -0700 Message-ID: Subject: Re: [PATCH v3 11/21] x86/virt/tdx: Choose to use all system RAM as TDX memory From: Kai Huang To: Isaku Yamahata Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, seanjc@google.com, pbonzini@redhat.com, dave.hansen@intel.com, len.brown@intel.com, tony.luck@intel.com, rafael.j.wysocki@intel.com, reinette.chatre@intel.com, dan.j.williams@intel.com, peterz@infradead.org, ak@linux.intel.com, kirill.shutemov@linux.intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, isaku.yamahata@intel.com Date: Thu, 21 Apr 2022 10:39:10 +1200 In-Reply-To: <20220420205530.GB2789321@ls.amr.corp.intel.com> References: <20220420205530.GB2789321@ls.amr.corp.intel.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 (3.42.4-1.fc35) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2022-04-20 at 13:55 -0700, Isaku Yamahata wrote: > > +/* Check whether first range is the subrange of the second */ > > +static bool is_subrange(u64 r1_start, u64 r1_end, u64 r2_start, u64 r2_end) > > +{ > > + return (r1_start >= r2_start && r1_end <= r2_end) ? true : false; > > nitpick: > Just "return (r1_start >= r2_start && r1_end <= r2_end)" > Maybe this is a matter of preference, though. Will use yours. Thanks! -- Thanks, -Kai