linux-kernel - [tip:sched/core] printk: Make it compile with !CONFIG

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Message-ID: <tip-600e145882802d6ccbfe2c4aea243d97caeb91a9@git.kernel.org>
Date:	Thu, 15 Mar 2012 06:04:20 -0700
From:	tip-bot for Peter Zijlstra <peterz@...radead.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, peterz@...radead.org, rdunlap@...otime.net,
	tglx@...utronix.de, sfr@...b.auug.org.au, mingo@...e.hu
Subject: [tip:sched/core] printk: Make it compile with !CONFIG_PRINTK

Commit-ID:  600e145882802d6ccbfe2c4aea243d97caeb91a9
Gitweb:     http://git.kernel.org/tip/600e145882802d6ccbfe2c4aea243d97caeb91a9
Author:     Peter Zijlstra <peterz@...radead.org>
AuthorDate: Thu, 15 Mar 2012 12:35:37 +0100
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 15 Mar 2012 13:38:54 +0100

printk: Make it compile with !CONFIG_PRINTK

Commit 3ccf3e830615 ("printk/sched: Introduce special
printk_sched() for those awkward moments") overlooked
an #ifdef, so move code around to respect these directives.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Randy Dunlap <rdunlap@...otime.net>
Link: http://lkml.kernel.org/r/1331811337.18960.179.camel@twins
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/printk.c |   40 ++++++++++++++++++++--------------------
 1 files changed, 20 insertions(+), 20 deletions(-)

diff --git a/kernel/printk.c b/kernel/printk.c
index 49a2ae4..b64ce71 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1222,26 +1222,6 @@ int is_console_locked(void)
 static DEFINE_PER_CPU(int, printk_pending);
 static DEFINE_PER_CPU(char [PRINTK_BUF_SIZE], printk_sched_buf);
 
-int printk_sched(const char *fmt, ...)
-{
-	unsigned long flags;
-	va_list args;
-	char *buf;
-	int r;
-
-	local_irq_save(flags);
-	buf = __get_cpu_var(printk_sched_buf);
-
-	va_start(args, fmt);
-	r = vsnprintf(buf, PRINTK_BUF_SIZE, fmt, args);
-	va_end(args);
-
-	__this_cpu_or(printk_pending, PRINTK_PENDING_SCHED);
-	local_irq_restore(flags);
-
-	return r;
-}
-
 void printk_tick(void)
 {
 	if (__this_cpu_read(printk_pending)) {
@@ -1658,6 +1638,26 @@ late_initcall(printk_late_init);
 
 #if defined CONFIG_PRINTK
 
+int printk_sched(const char *fmt, ...)
+{
+	unsigned long flags;
+	va_list args;
+	char *buf;
+	int r;
+
+	local_irq_save(flags);
+	buf = __get_cpu_var(printk_sched_buf);
+
+	va_start(args, fmt);
+	r = vsnprintf(buf, PRINTK_BUF_SIZE, fmt, args);
+	va_end(args);
+
+	__this_cpu_or(printk_pending, PRINTK_PENDING_SCHED);
+	local_irq_restore(flags);
+
+	return r;
+}
+
 /*
  * printk rate limiting, lifted from the networking subsystem.
  *
--
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