Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp5404701pxb; Mon, 15 Feb 2021 19:35:14 -0800 (PST) X-Google-Smtp-Source: ABdhPJwqRLE3Gt2vK6tCiuAlrl+4Jgpjn2yYuU+yktf7jYfKEXqfM4hxNxdG3XH+Zg9bwyIMjAKi X-Received: by 2002:a05:6402:34c3:: with SMTP id w3mr19246843edc.3.1613446513980; Mon, 15 Feb 2021 19:35:13 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1613446513; cv=none; d=google.com; s=arc-20160816; b=pgojtBxP0zFgE3l7aNLts/NO767NAuwiidlzXGtNszk49Kcf0MAD4hh4+8ijD9yqOH br5UixyPEvhEZJxi+4WYdpukdS1fGy3x32DjAB7HPNfXjsym0DKVRu3+lL2YheTOeV7h yIRU7TKffb+6igMdvD/2JyPrMhjwYKFYNlgFOfTH1t02ZTdyY+mPnhcCY88vRAr+jg/O Wz7iEuNsqifHbQC4JyUuuIU2dIVEFWVOAuog38Z75FxfkvYe87NdK2AZOp6f8bUz5hWl Z9cffr001l+ZfnA2qiJ2/JFRCIMTDR5j9Z5rfVdkDbnQQOjknCuB21jb5uBTXGuxoe/l +4KQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=tGAQ7Pqc8xoFU2JAWwDOBrgjNRgeilFWGyBtfT1Hv04=; b=MnuLRapqXEc7PhrMyx308lgI0z63NhqyKLRCaaCyNXY4pvEhqC0X0h2JFXGibMDlHm a8U9PMZC45YT+Km82Lf0h8LQmRhHEnPBp+wRSaFvJaKKkeIU/XJZHq4YAauGv5A5Xk4X 0EaEpE0u7vX2JBpzB7jTdCyCcvlYg+D5WuX/PrnD2Qdao/djp4a+/iUgkFiaZlX6+wNL H0vEbaN21IniiKmpYmJCg8CUMDdpsM4ZoXk0MZbUBLwAosrBPr5vOj5GLv/TSMvfuRit AOy/uzXrD10d1vjRDg5KiCrxLWDlyj/bb/bRXsXnOuujyDeF4ZMeECLkoRMeUAet3JQT 2l6Q== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l13si14264144edj.219.2021.02.15.19.34.51; Mon, 15 Feb 2021 19:35:13 -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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229925AbhBPDcY (ORCPT + 99 others); Mon, 15 Feb 2021 22:32:24 -0500 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:53498 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229497AbhBPDcR (ORCPT ); Mon, 15 Feb 2021 22:32:17 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R281e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04426;MF=tianjia.zhang@linux.alibaba.com;NM=1;PH=DS;RN=13;SR=0;TI=SMTPD_---0UOk1HHd_1613446293; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0UOk1HHd_1613446293) by smtp.aliyun-inc.com(127.0.0.1); Tue, 16 Feb 2021 11:31:34 +0800 From: Tianjia Zhang To: Jarkko Sakkinen , 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 Cc: Tianjia Zhang Subject: [PATCH v5 0/3] Some optimizations related to sgx Date: Tue, 16 Feb 2021 11:31:30 +0800 Message-Id: <20210216033133.79543-1-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.3.ge56e4f7 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an optimization of a set of sgx-related codes, each of which is independent of the patch. Because the second and third patches have conflicting dependencies, these patches are put together. --- v5 changes: * Remove the two patches with no actual value * Typo fix in commit message v4 changes: * Improvements suggested by review v3 changes: * split free_cnt count and spin lock optimization into two patches v2 changes: * review suggested changes Tianjia Zhang (3): selftests/x86: Use getauxval() to simplify the code in sgx x86/sgx: Allows ioctl PROVISION to execute before CREATE x86/sgx: Remove redundant if conditions in sgx_encl_create arch/x86/kernel/cpu/sgx/driver.c | 1 + arch/x86/kernel/cpu/sgx/ioctl.c | 8 ++++---- tools/testing/selftests/sgx/main.c | 24 ++++-------------------- 3 files changed, 9 insertions(+), 24 deletions(-) -- 2.19.1.3.ge56e4f7