diff options
| -rw-r--r-- | arch/powerpc/include/asm/eeh_event.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_event.c | 37 |
2 files changed, 38 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/eeh_event.h b/arch/powerpc/include/asm/eeh_event.h index de92c86..89d5670 100644 --- a/arch/powerpc/include/asm/eeh_event.h +++ b/arch/powerpc/include/asm/eeh_event.h @@ -33,6 +33,7 @@ struct eeh_event { int eeh_event_init(void); int eeh_send_failure_event(struct eeh_pe *pe); +void eeh_remove_event(struct eeh_pe *pe); void eeh_handle_event(struct eeh_pe *pe); #endif /* __KERNEL__ */ diff --git a/arch/powerpc/kernel/eeh_event.c b/arch/powerpc/kernel/eeh_event.c index 62e532d..39bcd81 100644 --- a/arch/powerpc/kernel/eeh_event.c +++ b/arch/powerpc/kernel/eeh_event.c @@ -142,3 +142,40 @@ int eeh_send_failure_event(struct eeh_pe *pe) return 0; } + +/** + * eeh_remove_event - Remove EEH event from the queue + * @pe: Event binding to the PE + * + * On PowerNV platform, we might have subsequent coming events + * is part of the former one. For that case, those subsequent + * coming events are totally duplicated and unnecessary, thus + * they should be removed. + */ +void eeh_remove_event(struct eeh_pe *pe) +{ + unsigned long flags; + struct eeh_event *event, *tmp; + + spin_lock_irqsave(&eeh_eventlist_lock, flags); + list_for_each_entry_safe(event, tmp, &eeh_eventlist, list) { + /* + * If we don't have valid PE passed in, that means + * we already have event corresponding to dead IOC + * and all events should be purged. + */ + if (!pe) { + list_del(&event->list); + kfree(event); + } else if (pe->type & EEH_PE_PHB) { + if (event->pe && event->pe->phb == pe->phb) { + list_del(&event->list); + kfree(event); + } + } else if (event->pe == pe) { + list_del(&event->list); + kfree(event); + } + } + spin_unlock_irqrestore(&eeh_eventlist_lock, flags); +} |