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| author | Lance Ortiz <lance.ortiz@hp.com> | 2013-05-30 08:25:12 -0600 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2013-05-30 10:51:20 -0700 |
| commit | 37448adfc7ce0d6d5892b87aa8d57edde4126f49 (patch) | |
| tree | 384a776fe506e4dfb1cb6d64cc56ce7ae3c289e9 /drivers/pci/pcie/aer/aerdrv_errprint.c | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-37448adfc7ce0d6d5892b87aa8d57edde4126f49.tar.gz linux-37448adfc7ce0d6d5892b87aa8d57edde4126f49.tar.bz2 linux-37448adfc7ce0d6d5892b87aa8d57edde4126f49.zip | |
aerdrv: Move cper_print_aer() call out of interrupt context
The following warning was seen on 3.9 when a corrected PCIe error was being
handled by the AER subsystem.
WARNING: at .../drivers/pci/search.c:214 pci_get_dev_by_id+0x8a/0x90()
This occurred because a call to pci_get_domain_bus_and_slot() was added to
cper_print_pcie() to setup for the call to cper_print_aer(). The warning
showed up because cper_print_pcie() is called in an interrupt context and
pci_get* functions are not supposed to be called in that context.
The solution is to move the cper_print_aer() call out of the interrupt
context and into aer_recover_work_func() to avoid any warnings when calling
pci_get* functions.
Signed-off-by: Lance Ortiz <lance.ortiz@hp.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'drivers/pci/pcie/aer/aerdrv_errprint.c')
| -rw-r--r-- | drivers/pci/pcie/aer/aerdrv_errprint.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c index 5ab14251839d..2c7c9f5f592c 100644 --- a/drivers/pci/pcie/aer/aerdrv_errprint.c +++ b/drivers/pci/pcie/aer/aerdrv_errprint.c @@ -220,7 +220,7 @@ int cper_severity_to_aer(int cper_severity) } EXPORT_SYMBOL_GPL(cper_severity_to_aer); -void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity, +void cper_print_aer(struct pci_dev *dev, int cper_severity, struct aer_capability_regs *aer) { int aer_severity, layer, agent, status_strs_size, tlp_header_valid = 0; @@ -244,7 +244,7 @@ void cper_print_aer(const char *prefix, struct pci_dev *dev, int cper_severity, agent = AER_GET_AGENT(aer_severity, status); dev_err(&dev->dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask); - cper_print_bits(prefix, status, status_strs, status_strs_size); + cper_print_bits("", status, status_strs, status_strs_size); dev_err(&dev->dev, "aer_layer=%s, aer_agent=%s\n", aer_error_layer[layer], aer_agent_string[agent]); if (aer_severity != AER_CORRECTABLE) |