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>
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index ba8dd41..49c7422 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -570,6 +570,8 @@
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 @@
default:
break;
}
+ printk(KERN_INFO "mce: CPU supports %d MCE banks\n", nr_mce_banks);
}
static int __init mcheck_disable(char *str)