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>

1 files changed, 3 insertions, 0 deletions

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)