linux-kernel - [RFC][PATCH 3/10 -tip] x86: cpu_debug.c use a WARN_ONCE() instead of a pr

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Message-Id: <1244910618.11733.18.camel@ht.satnam>
Date:	Sat, 13 Jun 2009 22:00:18 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"H. Peter Anvin" <hpa@...nel.org>,
	x86 maintainers <x86@...nel.org>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Yinghai Lu <yinghai@...nel.org>, Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Robert Richter <robert.richter@....com>
Subject: [RFC][PATCH 3/10 -tip] x86: cpu_debug.c use a WARN_ONCE() instead
 of a pr_err()


Use a WARN_ONCE() instead of a pr_err(). Hitting this is a
bug we want to fix.

Also added email address.

Reported-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
---
 arch/x86/kernel/cpu/cpu_debug.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c
index f7b42d2..3aa3596 100644
--- a/arch/x86/kernel/cpu/cpu_debug.c
+++ b/arch/x86/kernel/cpu/cpu_debug.c
@@ -644,8 +644,8 @@ static int cpu_init_cpu(void)
 		pr_info("cpu%d(%d) debug files %d\n",
 			cpu, nr_cpu_ids, per_cpu(cpu_priv_count, cpu));
 		if (per_cpu(cpu_priv_count, cpu) > MAX_CPU_FILES) {
-			pr_err("Register files count %d exceeds limit %d\n",
-				per_cpu(cpu_priv_count, cpu), MAX_CPU_FILES);
+			WARN_ONCE(1, "debug files count %d exceeds limit %d\n",
+				  per_cpu(cpu_priv_count, cpu), MAX_CPU_FILES);
 			per_cpu(cpu_priv_count, cpu) = MAX_CPU_FILES;
 			err = -ENFILE;
 		}
@@ -678,6 +678,6 @@ static void __exit cpu_debug_exit(void)
 module_init(cpu_debug_init);
 module_exit(cpu_debug_exit);
 
-MODULE_AUTHOR("Jaswinder Singh Rajput");
+MODULE_AUTHOR("Jaswinder Singh Rajput <jaswinder@...nel.org>");
 MODULE_DESCRIPTION("CPU Debug module");
 MODULE_LICENSE("GPL");
-- 
1.6.0.6



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