On Tue, 28 Mar 2017 19:15:28 +0530
Mahesh J Salgaonkar <mah...@linux.vnet.ibm.com> wrote:
> From: Mahesh Salgaonkar <mah...@linux.vnet.ibm.com>
>
> For MCE that hit while in use mode MSR(HV=1,PR=1), print the task info on the
> console MCE error log. This will help to identify application that stumbled
> upon MCE error.
I think you may still want these details for a task currently in
kernel. How about something like if (!in_interrupt()) {
> @@ -311,8 +312,13 @@ 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");
> - printk("%s NIP [%016llx]: %pS\n", level, evt->srr0,
> + 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) {
