diff options
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_driver.c | 13 |
2 files changed, 21 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index ab316e155ea9..6670063a7a6c 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -506,9 +506,18 @@ int eeh_dev_check_failure(struct eeh_dev *edev) * We will punt with the following conditions: Failure to get * PE's state, EEH not support and Permanently unavailable * state, PE is in good state. + * + * On the pSeries, after reaching the threshold, get_state might + * return EEH_STATE_NOT_SUPPORT. However, it's possible that the + * device state remains uncleared if the device is not marked + * pci_channel_io_perm_failure. Therefore, consider logging the + * event to let device removal happen. + * */ if ((ret < 0) || - (ret == EEH_STATE_NOT_SUPPORT) || eeh_state_active(ret)) { + (ret == EEH_STATE_NOT_SUPPORT && + dev->error_state == pci_channel_io_perm_failure) || + eeh_state_active(ret)) { eeh_stats.false_positives++; pe->false_positives++; rc = 0; diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c index 48773d2d9be3..7efe04c68f0f 100644 --- a/arch/powerpc/kernel/eeh_driver.c +++ b/arch/powerpc/kernel/eeh_driver.c @@ -865,9 +865,18 @@ void eeh_handle_normal_event(struct eeh_pe *pe) devices++; if (!devices) { - pr_debug("EEH: Frozen PHB#%x-PE#%x is empty!\n", + pr_warn("EEH: Frozen PHB#%x-PE#%x is empty!\n", pe->phb->global_number, pe->addr); - goto out; /* nothing to recover */ + /* + * The device is removed, tear down its state, on powernv + * hotplug driver would take care of it but not on pseries, + * permanently disable the card as it is hot removed. + * + * In the case of powernv, note that the removal of device + * is covered by pci rescan lock, so no problem even if hotplug + * driver attempts to remove the device. + */ + goto recover_failed; } /* Log the event */ |