The following commit has been merged in the linux branch: commit 93ae5012a79b11e7fc855b52c7ce1e16fe1540b0 Author: Roland Dreier rdreier@cisco.com Date: Thu Oct 15 14:21:14 2009 -0700

x86: Don't print number of MCE banks for every CPU

The MCE initialization code explicitly says it doesn't handle asymmetric configurations where different CPUs support different numbers of MCE banks, and it prints a big warning in that case.

Therefore, printing the "mce: CPU supports <x> MCE banks" message into the kernel log for every CPU is pure redundancy that clutters the log significantly for systems with lots of CPUs.

Signed-off-by: Roland Dreier rolandd@cisco.com LKML-Reference: adaeip473qt.fsf@cisco.com Signed-off-by: Ingo Molnar mingo@elte.hu

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index b1598a9..721a77c 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -1214,7 +1214,8 @@ static int __cpuinit mce_cap_init(void) rdmsrl(MSR_IA32_MCG_CAP, cap);

b = cap & MCG_BANKCNT_MASK; - printk(KERN_INFO "mce: CPU supports %d MCE banks\n", b); + if (!banks) + printk(KERN_INFO "mce: CPU supports %d MCE banks\n", b);

if (b > MAX_NR_BANKS) { printk(KERN_WARNING