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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>
This commit is contained in:
Ingo Molnar 2009-04-08 12:31:27 +02:00 committed by H. Peter Anvin
parent cb491fca55
commit b659294b77
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kernel/cpu/mcheck/mce.c
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@ -570,6 +570,8 @@ static int mce_cap_init(void)
rdmsrl(MSR_IA32_MCG_CAP, cap); rdmsrl(MSR_IA32_MCG_CAP, cap);
b = cap & 0xff; b = cap & 0xff;
printk(KERN_INFO "mce: CPU supports %d MCE banks\n", b);
if (b > MAX_NR_BANKS) { if (b > MAX_NR_BANKS) {
printk(KERN_WARNING printk(KERN_WARNING
"MCE: Using only %u machine check banks out of %u\n", "MCE: Using only %u machine check banks out of %u\n",
@ -1287,6 +1289,7 @@ void mcheck_init(struct cpuinfo_x86 *c)
default: default:
break; break;
} }
printk(KERN_INFO "mce: CPU supports %d MCE banks\n", nr_mce_banks);
} }
static int __init mcheck_disable(char *str) static int __init mcheck_disable(char *str)