From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933734AbdIXUoi (ORCPT ); Sun, 24 Sep 2017 16:44:38 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33024 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932959AbdIXUof (ORCPT ); Sun, 24 Sep 2017 16:44:35 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zev Weiss , "Steven Rostedt (VMware)" Subject: [PATCH 4.13 074/109] ftrace: Fix debug preempt config name in stack_tracer_{en,dis}able Date: Sun, 24 Sep 2017 22:33:35 +0200 Message-Id: <20170924203356.070183259@linuxfoundation.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20170924203353.104695385@linuxfoundation.org> References: <20170924203353.104695385@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zev Weiss commit 60361e12d01676e23a8de89a5ef4a349ae97f616 upstream. stack_tracer_disable()/stack_tracer_enable() had been using the wrong name for the config symbol to enable their preempt-debugging checks -- fix with a word swap. Link: http://lkml.kernel.org/r/20170831154036.4xldyakmmhuts5x7@hatter.bewilderbeest.net Fixes: 8aaf1ee70e ("tracing: Rename trace_active to disable_stack_tracer and inline its modification") Signed-off-by: Zev Weiss Signed-off-by: Steven Rostedt (VMware) Signed-off-by: Greg Kroah-Hartman diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 6383115e9d2c..2e028854bac7 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -307,7 +307,7 @@ DECLARE_PER_CPU(int, disable_stack_tracer); static inline void stack_tracer_disable(void) { /* Preemption or interupts must be disabled */ - if (IS_ENABLED(CONFIG_PREEMPT_DEBUG)) + if (IS_ENABLED(CONFIG_DEBUG_PREEMPT)) WARN_ON_ONCE(!preempt_count() || !irqs_disabled()); this_cpu_inc(disable_stack_tracer); } @@ -320,7 +320,7 @@ static inline void stack_tracer_disable(void) */ static inline void stack_tracer_enable(void) { - if (IS_ENABLED(CONFIG_PREEMPT_DEBUG)) + if (IS_ENABLED(CONFIG_DEBUG_PREEMPT)) WARN_ON_ONCE(!preempt_count() || !irqs_disabled()); this_cpu_dec(disable_stack_tracer); }