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 2F11DC33CB6 for ; Fri, 17 Jan 2020 15:08:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 101512072B for ; Fri, 17 Jan 2020 15:08:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729047AbgAQPID (ORCPT ); Fri, 17 Jan 2020 10:08:03 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:56526 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728739AbgAQPID (ORCPT ); Fri, 17 Jan 2020 10:08:03 -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 1isTE7-0002eh-OF; Fri, 17 Jan 2020 16:07:59 +0100 Received: from [127.0.1.1] (localhost [IPv6:::1]) by tip-bot2.lab.linutronix.de (Postfix) with ESMTP id 6E8501C19E6; Fri, 17 Jan 2020 16:07:59 +0100 (CET) Date: Fri, 17 Jan 2020 15:07:59 -0000 From: "tip-bot2 for Thomas Gleixner" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: timers/urgent] lib/vdso: Make __arch_update_vdso_data() logic understandable Cc: Thomas Gleixner , x86 , LKML In-Reply-To: <20200114185946.656652824@linutronix.de> References: <20200114185946.656652824@linutronix.de> MIME-Version: 1.0 Message-ID: <157927367926.396.7299991507019936952.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 timers/urgent branch of tip: Commit-ID: 9a6b55ac4a44060bcb782baf002859b2a2c63267 Gitweb: https://git.kernel.org/tip/9a6b55ac4a44060bcb782baf002859b2a2c63267 Author: Thomas Gleixner AuthorDate: Tue, 14 Jan 2020 19:52:38 +01:00 Committer: Thomas Gleixner CommitterDate: Fri, 17 Jan 2020 15:53:50 +01:00 lib/vdso: Make __arch_update_vdso_data() logic understandable The function name suggests that this is a boolean checking whether the architecture asks for an update of the VDSO data, but it works the other way round. To spare further confusion invert the logic. Fixes: 44f57d788e7d ("timekeeping: Provide a generic update_vsyscall() implementation") Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/20200114185946.656652824@linutronix.de --- arch/arm/include/asm/vdso/vsyscall.h | 4 ++-- include/asm-generic/vdso/vsyscall.h | 4 ++-- kernel/time/vsyscall.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/include/asm/vdso/vsyscall.h b/arch/arm/include/asm/vdso/vsyscall.h index c4166f3..cff87d8 100644 --- a/arch/arm/include/asm/vdso/vsyscall.h +++ b/arch/arm/include/asm/vdso/vsyscall.h @@ -34,9 +34,9 @@ struct vdso_data *__arm_get_k_vdso_data(void) #define __arch_get_k_vdso_data __arm_get_k_vdso_data static __always_inline -int __arm_update_vdso_data(void) +bool __arm_update_vdso_data(void) { - return !cntvct_ok; + return cntvct_ok; } #define __arch_update_vdso_data __arm_update_vdso_data diff --git a/include/asm-generic/vdso/vsyscall.h b/include/asm-generic/vdso/vsyscall.h index ce41032..cec543d 100644 --- a/include/asm-generic/vdso/vsyscall.h +++ b/include/asm-generic/vdso/vsyscall.h @@ -12,9 +12,9 @@ static __always_inline struct vdso_data *__arch_get_k_vdso_data(void) #endif /* __arch_get_k_vdso_data */ #ifndef __arch_update_vdso_data -static __always_inline int __arch_update_vdso_data(void) +static __always_inline bool __arch_update_vdso_data(void) { - return 0; + return true; } #endif /* __arch_update_vdso_data */ diff --git a/kernel/time/vsyscall.c b/kernel/time/vsyscall.c index 5ee0f77..f0aab61 100644 --- a/kernel/time/vsyscall.c +++ b/kernel/time/vsyscall.c @@ -84,7 +84,7 @@ void update_vsyscall(struct timekeeper *tk) struct vdso_timestamp *vdso_ts; u64 nsec; - if (__arch_update_vdso_data()) { + if (!__arch_update_vdso_data()) { /* * Some architectures might want to skip the update of the * data page.