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 (file)
--- 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)