linux-kernel - [PATCH:resend] rt: Remove CONFIG_STACK_TRACER from DEBUG

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Message-Id: <1272396342-12504-1-git-send-email-jkacur@redhat.com>
Date:	Tue, 27 Apr 2010 21:25:42 +0200
From:	John Kacur <jkacur@...hat.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Clark Williams <williams@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	lkml <linux-kernel@...r.kernel.org>,
	rt-users <linux-rt-users@...r.kernel.org>,
	John Kacur <jkacur@...hat.com>
Subject: [PATCH:resend] rt: Remove CONFIG_STACK_TRACER from DEBUG_COUNT, and fix reminder block

This fix does two things.

1. It reverts commit 3e39399ef4a742d994570488994be93ef17d4ef5.
- The above commit added back a warning about CONFIG_STACK_TRACER
NOT because the warning was necessary but to fix-up a problem where you could
get an empty REMINDER block in the demg.

However, CONFIG_STACK_TRACER really should not be in the reminder block.
Even when configured-in it is not enabled, and thus has neglible impact.

2. It removes CONFIG_STACK_TRACER from DEBUG_COUNT which is the proper fix
for the empty REMINDER block problem.

This patch is for rt only. (this code doesn't exist in mainline)

Signed-off-by: John Kacur <jkacur@...hat.com>
Acked-by: Steven Rostedt <rostedt@...dmis.org>
---
 init/main.c |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)

diff --git a/init/main.c b/init/main.c
index 592c16a..f26cb63 100644
--- a/init/main.c
+++ b/init/main.c
@@ -908,7 +908,7 @@ static int __init kernel_init(void * unused)
 	WARN_ON(irqs_disabled());
 #endif
 
-#define DEBUG_COUNT (defined(CONFIG_DEBUG_RT_MUTEXES) + defined(CONFIG_IRQSOFF_TRACER) + defined(CONFIG_PREEMPT_TRACER) + defined(CONFIG_STACK_TRACER) + defined(CONFIG_INTERRUPT_OFF_HIST) + defined(CONFIG_PREEMPT_OFF_HIST) + defined(CONFIG_WAKEUP_LATENCY_HIST) + defined(CONFIG_DEBUG_SLAB) + defined(CONFIG_DEBUG_PAGEALLOC) + defined(CONFIG_LOCKDEP) + (defined(CONFIG_FTRACE) - defined(CONFIG_FTRACE_MCOUNT_RECORD)))
+#define DEBUG_COUNT (defined(CONFIG_DEBUG_RT_MUTEXES) + defined(CONFIG_IRQSOFF_TRACER) + defined(CONFIG_PREEMPT_TRACER) + defined(CONFIG_INTERRUPT_OFF_HIST) + defined(CONFIG_PREEMPT_OFF_HIST) + defined(CONFIG_WAKEUP_LATENCY_HIST) + defined(CONFIG_DEBUG_SLAB) + defined(CONFIG_DEBUG_PAGEALLOC) + defined(CONFIG_LOCKDEP) + (defined(CONFIG_FTRACE) - defined(CONFIG_FTRACE_MCOUNT_RECORD)))
 
 #if DEBUG_COUNT > 0
 	printk(KERN_ERR "*****************************************************************************\n");
@@ -928,9 +928,6 @@ static int __init kernel_init(void * unused)
 #ifdef CONFIG_PREEMPT_TRACER
 	printk(KERN_ERR "*        CONFIG_PREEMPT_TRACER                                              *\n");
 #endif
-#ifdef CONFIG_STACK_TRACER
-	printk(KERN_ERR "*        CONFIG_STACK_TRACER                                                *\n");
-#endif
 #if defined(CONFIG_FTRACE) && !defined(CONFIG_FTRACE_MCOUNT_RECORD)
 	printk(KERN_ERR "*        CONFIG_FTRACE                                                      *\n");
 #endif
-- 
1.6.6.1

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