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| author | Lance Ortiz <lance.ortiz@hp.com> | 2013-05-30 18:25:12 +0400 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2013-05-30 21:51:20 +0400 |
| commit | 37448adfc7ce0d6d5892b87aa8d57edde4126f49 (patch) | |
| tree | 384a776fe506e4dfb1cb6d64cc56ce7ae3c289e9 /include | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-37448adfc7ce0d6d5892b87aa8d57edde4126f49.tar.xz | |
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 'include')
| -rw-r--r-- | include/linux/aer.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/aer.h b/include/linux/aer.h index ec10e1b24c1c..737f90ab4b62 100644 --- a/include/linux/aer.h +++ b/include/linux/aer.h @@ -49,10 +49,11 @@ static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev) } #endif -extern void cper_print_aer(const char *prefix, struct pci_dev *dev, +extern void cper_print_aer(struct pci_dev *dev, int cper_severity, struct aer_capability_regs *aer); extern int cper_severity_to_aer(int cper_severity); extern void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn, - int severity); + int severity, + struct aer_capability_regs *aer_regs); #endif //_AER_H_ |