Merge branches 'x86/mce' and 'x86/urgent' into perf/mce

Merge reason: Put all MCE changes into this branch, we are
              queueing up a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
2009-10-16 14:42:20 +02:00
286 changed files with 12695 additions and 1389 deletions

View File

@@ -88,18 +88,26 @@ static DECLARE_WAIT_QUEUE_HEAD(mce_wait);
static DEFINE_PER_CPU(struct mce, mces_seen);
static int cpu_missing;
static void default_decode_mce(struct mce *m)
/*
* CPU/chipset specific EDAC code can register a notifier call here to print
* MCE errors in a human-readable form.
*/
ATOMIC_NOTIFIER_HEAD(x86_mce_decoder_chain);
EXPORT_SYMBOL_GPL(x86_mce_decoder_chain);
static int default_decode_mce(struct notifier_block *nb, unsigned long val,
void *data)
{
pr_emerg("No human readable MCE decoding support on this CPU type.\n");
pr_emerg("Run the message through 'mcelog --ascii' to decode.\n");
return NOTIFY_STOP;
}
/*
* CPU/chipset specific EDAC code can register a callback here to print
* MCE errors in a human-readable form:
*/
void (*x86_mce_decode_callback)(struct mce *m) = default_decode_mce;
EXPORT_SYMBOL(x86_mce_decode_callback);
static struct notifier_block mce_dec_nb = {
.notifier_call = default_decode_mce,
.priority = -1,
};
/* MCA banks polled by the period polling timer for corrected events */
DEFINE_PER_CPU(mce_banks_t, mce_poll_banks) = {
@@ -210,9 +218,9 @@ static void print_mce(struct mce *m)
/*
* Print out human-readable details about the MCE error,
* (if the CPU has an implementation for that):
* (if the CPU has an implementation for that)
*/
x86_mce_decode_callback(m);
atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, m);
}
static void print_mce_head(void)
@@ -1220,7 +1228,8 @@ 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
@@ -1426,6 +1435,9 @@ void __cpuinit mcheck_init(struct cpuinfo_x86 *c)
mce_cpu_features(c);
mce_init_timer();
INIT_WORK(&__get_cpu_var(mce_work), mce_process_work);
if (raw_smp_processor_id() == 0)
atomic_notifier_chain_register(&x86_mce_decoder_chain, &mce_dec_nb);
}
/*