From b659294b779565c60f5e12ef505328e2b974eb62 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 8 Apr 2009 12:31:27 +0200 Subject: [PATCH] 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 Signed-off-by: Hidetoshi Seto Signed-off-by: H. Peter Anvin --- arch/x86/kernel/cpu/mcheck/mce.c | 3 +++ 1 file changed, 3 insertions(+) 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 @@ 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) -- 2.7.4