Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp728081pxb; Tue, 2 Feb 2021 16:53:52 -0800 (PST) X-Google-Smtp-Source: ABdhPJzGU8FXtgejIKzo2odj+C+5h7lq9lT2jJ35PbaL8FH3JGEZd4tEIh/ZPE7VujA/sWyt2koD X-Received: by 2002:a17:906:6096:: with SMTP id t22mr666052ejj.34.1612313632113; Tue, 02 Feb 2021 16:53:52 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612313632; cv=none; d=google.com; s=arc-20160816; b=ja5e0JZ0/VumTexsjgr/xxGBw7rI76v9HbPpDgPOfQnCdkETamqlg/tareNxv/NYdV ioXEigP/h+qz8iS65dwVfsUBML79Kxr7eSjRQY1N+NlthLeD/NJ8Lgjklj4y5sMDq53S LYNfJQeQ90bWr+Kt3xf7A4vRjFii8KM3460QcXFbxTuMXQzlc53a9IVRVnzgA7mx/SXG qeof+mtcjhjInIki9+oHorb0pGFyDpB1I4S/+o74nL56rr/2acXLYkjtlTMvkpZvJwW5 BjVr+fpOJfVn8oc5a7GFl6v4xj2uqHHYuYYX3rC4GUdhFBkm/UTOqegbB3xjcJ1jq196 gaGg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=aS7gJ5FXwVdLp47lueJyjeLHCdr7uQO+jexT6jY0RkM=; b=BXfZMJwTQuaONnAGsALsfi2nLg+UUqayQHIYYnRp+JXgOTjQtIiczb0we8sELMgYOa CmvLxKFDpMU+fkpBQMk96E9zyEn7Obmtnu/rvQcJ9zDh3djeece0MRBHQGNKzixTWQAV DLZ3NIMqhRippQiTnwmDtr6m8x2khw5kQIAgRJbODmde1aWTuB1HkBFnCDQ76rjbHKVb lFQeOeA85VEzlPgDFusqPyD3SYBMZtlEp3wrKvbh3qpIcw39/QRcxNIvPuq+/Ja986iT riDo0niXOTb/qM//2wsCIVEk/Nk7P9pxwKQri1lieWzZqatRt+jR8KtH+mXa4xaoCuVD z0tg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=IW+8UN9J; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s9si284035ejc.752.2021.02.02.16.53.27; Tue, 02 Feb 2021 16:53:52 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=IW+8UN9J; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234271AbhBBV55 (ORCPT + 99 others); Tue, 2 Feb 2021 16:57:57 -0500 Received: from mail.kernel.org ([198.145.29.99]:57834 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233881AbhBBV54 (ORCPT ); Tue, 2 Feb 2021 16:57:56 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 07E0464F9C; Tue, 2 Feb 2021 21:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612303035; bh=aS7gJ5FXwVdLp47lueJyjeLHCdr7uQO+jexT6jY0RkM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IW+8UN9J5T4F/W9W2vYEL5Fw2H3gCHmzArnfIk5p8xjxJjfS7sGP11shmnj6mtG/L rlFzsWNN4zvJ2+HSalQeHwubK7GbcLB3+TzwRSeSLcnRfAO+qZPJwox+xw3zWpywqZ alTKe1nMC62CJA2OxA/XaeqkLiBmT+xGptEyX2Qul77FQ1fzWjQIUbB5PGS4f8+Va/ H9/ZCPeV36KOieJynnw7JJXAhufRkg7YcXCNP58gjW/1KPUS+FnCf6CgC6LFHS9GL6 pg+LB6egoL8QEAvQzqR3txPAchZirQ2YB9Z+oV6B/g6wiwTbmZJEOJBxz7GZFS9Qus tVzYwDTdy3DOw== Date: Tue, 2 Feb 2021 23:57:08 +0200 From: Jarkko Sakkinen To: Tianjia Zhang Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Sean Christopherson , Shuah Khan , x86@kernel.org, linux-sgx@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Jia Zhang Subject: Re: [PATCH v4 4/5] x86/sgx: Allows ioctl PROVISION to execute before CREATE Message-ID: References: <20210201132653.35690-1-tianjia.zhang@linux.alibaba.com> <20210201132653.35690-5-tianjia.zhang@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210201132653.35690-5-tianjia.zhang@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 01, 2021 at 09:26:52PM +0800, Tianjia Zhang wrote: > In the function sgx_create_enclave(), the direct assignment > operation of attributes_mask determines that the ioctl PROVISION > operation must be executed after the ioctl CREATE operation, > which will limit the flexibility of sgx developers. Please write acronyms correctly. It's not 'sgx'. It's 'SGX'. Who are the "sgx developers" and how do they benefit from this? /Jarkko