diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 48fbb41af5d1..0d539c661748 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -540,21 +540,15 @@ int opal_hmi_exception_early(struct pt_regs *regs) /* HMI exception handler called in virtual mode during check_irq_replay. */ int opal_handle_hmi_exception(struct pt_regs *regs) { - s64 rc; - __be64 evt = 0; - /* * Check if HMI event is available. - * if Yes, then call opal_poll_events to pull opal messages and - * process them. + * if Yes, then wake kopald to process them. */ if (!local_paca->hmi_event_available) return 0; local_paca->hmi_event_available = 0; - rc = opal_poll_events(&evt); - if (rc == OPAL_SUCCESS && evt) - opal_handle_events(be64_to_cpu(evt)); + opal_wake_poller(); return 1; } @@ -757,14 +751,19 @@ static void __init opal_imc_init_dev(void) static int kopald(void *unused) { unsigned long timeout = msecs_to_jiffies(opal_heartbeat) + 1; - __be64 events; set_freezable(); do { try_to_freeze(); - opal_poll_events(&events); - opal_handle_events(be64_to_cpu(events)); - schedule_timeout_interruptible(timeout); + + opal_handle_events(); + + set_current_state(TASK_INTERRUPTIBLE); + if (opal_have_pending_events()) + __set_current_state(TASK_RUNNING); + else + schedule_timeout(timeout); + } while (!kthread_should_stop()); return 0; |