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Diffstat (limited to 'arch/powerpc/kernel/mce.c')
-rw-r--r--arch/powerpc/kernel/mce.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c
index a1475e6aef3a..5f9eada3519b 100644
--- a/arch/powerpc/kernel/mce.c
+++ b/arch/powerpc/kernel/mce.c
@@ -221,6 +221,8 @@ static void machine_check_process_queued_event(struct irq_work *work)
{
int index;
+ add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
+
/*
* For now just print it to console.
* TODO: log this error event to FSP or nvram.
@@ -228,12 +230,13 @@ static void machine_check_process_queued_event(struct irq_work *work)
while (__this_cpu_read(mce_queue_count) > 0) {
index = __this_cpu_read(mce_queue_count) - 1;
machine_check_print_event_info(
- this_cpu_ptr(&mce_event_queue[index]));
+ this_cpu_ptr(&mce_event_queue[index]), false);
__this_cpu_dec(mce_queue_count);
}
}
-void machine_check_print_event_info(struct machine_check_event *evt)
+void machine_check_print_event_info(struct machine_check_event *evt,
+ bool user_mode)
{
const char *level, *sevstr, *subtype;
static const char *mc_ue_types[] = {
@@ -310,7 +313,16 @@ void machine_check_print_event_info(struct machine_check_event *evt)
printk("%s%s Machine check interrupt [%s]\n", level, sevstr,
evt->disposition == MCE_DISPOSITION_RECOVERED ?
- "Recovered" : "[Not recovered");
+ "Recovered" : "Not recovered");
+
+ if (user_mode) {
+ printk("%s NIP: [%016llx] PID: %d Comm: %s\n", level,
+ evt->srr0, current->pid, current->comm);
+ } else {
+ printk("%s NIP [%016llx]: %pS\n", level, evt->srr0,
+ (void *)evt->srr0);
+ }
+
printk("%s Initiator: %s\n", level,
evt->initiator == MCE_INITIATOR_CPU ? "CPU" : "Unknown");
switch (evt->error_type) {