From b659294b779565c60f5e12ef505328e2b974eb62 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 8 Apr 2009 12:31:27 +0200
Subject: [PATCH] x86, mce: print number of MCE banks
The number of MCE banks supported by a CPU is a useful number to know,
so print it out during CPU initialization.
[ Impact: add printout ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
arch/x86/kernel/cpu/mcheck/mce.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index ba8dd41a10dc..49c74222359d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -570,6 +570,8 @@ static int mce_cap_init(void)
rdmsrl(MSR_IA32_MCG_CAP, cap);
b = cap & 0xff;
+ printk(KERN_INFO "mce: CPU supports %d MCE banks\n", b);
+
if (b > MAX_NR_BANKS) {
printk(KERN_WARNING
"MCE: Using only %u machine check banks out of %u\n",
@@ -1287,6 +1289,7 @@ void mcheck_init(struct cpuinfo_x86 *c)
default:
break;
}
+ printk(KERN_INFO "mce: CPU supports %d MCE banks\n", nr_mce_banks);
}
static int __init mcheck_disable(char *str)
--
2.20.1