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 X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 24FA7C33C8C for ; Mon, 6 Jan 2020 18:16:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F2D342072C for ; Mon, 6 Jan 2020 18:16:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726767AbgAFSQM (ORCPT ); Mon, 6 Jan 2020 13:16:12 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:41916 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726657AbgAFSQL (ORCPT ); Mon, 6 Jan 2020 13:16:11 -0500 Received: from [5.158.153.53] (helo=tip-bot2.lab.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1ioWuo-0005eb-Mx; Mon, 06 Jan 2020 19:15:46 +0100 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id 10FF11C2C34; Mon, 6 Jan 2020 19:15:44 +0100 (CET) Date: Mon, 06 Jan 2020 18:15:43 -0000 From: "tip-bot2 for Yu-cheng Yu" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/fpu] x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool Cc: Borislav Petkov , "Yu-cheng Yu" , Sebastian Andrzej Siewior , Andy Lutomirski , Dave Hansen , Fenghua Yu , "H. Peter Anvin" , Ingo Molnar , Peter Zijlstra , "Ravi V. Shankar" , Rik van Riel , Thomas Gleixner , Tony Luck , "x86-ml" , LKML In-Reply-To: <20191212210855.19260-3-yu-cheng.yu@intel.com> References: <20191212210855.19260-3-yu-cheng.yu@intel.com> MIME-Version: 1.0 Message-ID: <157833454385.30329.3292220275280944464.tip-bot2@tip-bot2> X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/fpu branch of tip: Commit-ID: 158e2ee61f22b878d61de92bea5aad3d2df1c146 Gitweb: https://git.kernel.org/tip/158e2ee61f22b878d61de92bea5aad3d2df1c146 Author: Yu-cheng Yu AuthorDate: Thu, 12 Dec 2019 13:08:54 -08:00 Committer: Borislav Petkov CommitterDate: Mon, 06 Jan 2020 19:08:40 +01:00 x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool Have both xfeature_is_supervisor()/xfeature_is_user() return bool because they are used only in boolean context. Suggested-by: Borislav Petkov Signed-off-by: Yu-cheng Yu Signed-off-by: Borislav Petkov Acked-by: Sebastian Andrzej Siewior Cc: Andy Lutomirski Cc: Dave Hansen Cc: Fenghua Yu Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Peter Zijlstra Cc: "Ravi V. Shankar" Cc: Rik van Riel Cc: Thomas Gleixner Cc: Tony Luck Cc: x86-ml Link: https://lkml.kernel.org/r/20191212210855.19260-3-yu-cheng.yu@intel.com --- arch/x86/kernel/fpu/xstate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c index 4588fc5..a180659 100644 --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -107,7 +107,7 @@ int cpu_has_xfeatures(u64 xfeatures_needed, const char **feature_name) } EXPORT_SYMBOL_GPL(cpu_has_xfeatures); -static int xfeature_is_supervisor(int xfeature_nr) +static bool xfeature_is_supervisor(int xfeature_nr) { /* * Extended State Enumeration Sub-leaves (EAX = 0DH, ECX = n, n > 1) @@ -117,10 +117,10 @@ static int xfeature_is_supervisor(int xfeature_nr) u32 eax, ebx, ecx, edx; cpuid_count(XSTATE_CPUID, xfeature_nr, &eax, &ebx, &ecx, &edx); - return !!(ecx & 1); + return ecx & 1; } -static int xfeature_is_user(int xfeature_nr) +static bool xfeature_is_user(int xfeature_nr) { return !xfeature_is_supervisor(xfeature_nr); }