x86, mce: print number of MCE banks
authorIngo Molnar <mingo@elte.hu>
Wed, 8 Apr 2009 10:31:27 +0000 (12:31 +0200)
committerH. Peter Anvin <hpa@zytor.com>
Thu, 28 May 2009 16:24:11 +0000 (09:24 -0700)
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

index ba8dd41a10dc22ada28446987e9fb3c940daad65..49c74222359dd7d20e129f56133de686ff886676 100644 (file)
@@ -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)