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

[Jaswinder Singh Rajput <jaswinder@kernel.org>]

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@elte.hu>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.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@kernel.org>");
 MODULE_DESCRIPTION("CPU Debug module");
 MODULE_LICENSE("GPL");
-- 
1.6.0.6