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| author |   Matt Jolly <Kangie@footclan.ninja> | 2020-06-19 01:55:11 +1000 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2020-07-07 19:00:04 -0500 |
| commit | e83e2ca3c39553a9d0fd497d9c839b341e38c742 (patch) | |
| tree | 4287d40696d0586f07bb6c14dae1350dfc7a7133 /drivers/pci/pcie/aer.c | |
| parent | PCI/AER: Simplify __aer_print_error() (diff) | |
| download | wireguard-linux-e83e2ca3c39553a9d0fd497d9c839b341e38c742.tar.xz wireguard-linux-e83e2ca3c39553a9d0fd497d9c839b341e38c742.zip | |
PCI/AER: Log correctable errors as warning, not error
PCIe correctable errors are recovered by hardware with no need for software
intervention (PCIe r5.0, sec 6.2.2.1).
Reduce the log level of correctable errors from KERN_ERR to KERN_WARNING.
The bug reports below are for correctable error logging. This doesn't fix
the cause of those reports, but it may make the messages less alarming.
[bhelgaas: commit log, use pci_printk() to avoid code duplication]
Link: https://bugzilla.kernel.org/show_bug.cgi?id=201517
Link: https://bugzilla.kernel.org/show_bug.cgi?id=196183
Link: https://lore.kernel.org/r/20200618155511.16009-1-Kangie@footclan.ninja
Signed-off-by: Matt Jolly <Kangie@footclan.ninja>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pcie/aer.c')
| -rw-r--r-- | drivers/pci/pcie/aer.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 9176c8a968b9..ca886bf91fd9 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -673,20 +673,23 @@ static void __aer_print_error(struct pci_dev *dev, { const char **strings; unsigned long status = info->status & ~info->mask; - const char *errmsg; + const char *level, *errmsg; int i; - if (info->severity == AER_CORRECTABLE) + if (info->severity == AER_CORRECTABLE) { strings = aer_correctable_error_string; - else + level = KERN_WARNING; + } else { strings = aer_uncorrectable_error_string; + level = KERN_ERR; + } for_each_set_bit(i, &status, 32) { errmsg = strings[i]; if (!errmsg) errmsg = "Unknown Error Bit"; - pci_err(dev, " [%2d] %-22s%s\n", i, errmsg, + pci_printk(level, dev, " [%2d] %-22s%s\n", i, errmsg, info->first_error == i ? " (First)" : ""); } pci_dev_aer_stats_incr(dev, info); @@ -696,6 +699,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info) { int layer, agent; int id = ((dev->bus->number << 8) | dev->devfn); + const char *level; if (!info->status) { pci_err(dev, "PCIe Bus Error: severity=%s, type=Inaccessible, (Unregistered Agent ID)\n", @@ -706,13 +710,14 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info) layer = AER_GET_LAYER_ERROR(info->severity, info->status); agent = AER_GET_AGENT(info->severity, info->status); - pci_err(dev, "PCIe Bus Error: severity=%s, type=%s, (%s)\n", - aer_error_severity_string[info->severity], - aer_error_layer[layer], aer_agent_string[agent]); + level = (info->severity == AER_CORRECTABLE) ? KERN_WARNING : KERN_ERR; + + pci_printk(level, dev, "PCIe Bus Error: severity=%s, type=%s, (%s)\n", + aer_error_severity_string[info->severity], + aer_error_layer[layer], aer_agent_string[agent]); - pci_err(dev, " device [%04x:%04x] error status/mask=%08x/%08x\n", - dev->vendor, dev->device, - info->status, info->mask); + pci_printk(level, dev, " device [%04x:%04x] error status/mask=%08x/%08x\n", + dev->vendor, dev->device, info->status, info->mask); __aer_print_error(dev, info); |