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PCIe correctable errors are corrected by hardware. Software may log them, but no other software intervention is required. There are two paths to enter the AER recovery code: (1) the native path where Linux fields the AER interrupt and reads the AER registers directly, and (2) the ACPI path where firmware reads the AER registers and hands them off to Linux via the ACPI APEI path. The AER do_recovery() function calls driver error reporting callbacks (error_detected(), mmio_enabled(), resume(), etc), attempts recovery (for fatal errors), and logs a "AER: Device recovery successful" message. Since there's nothing to recover for correctable errors, the native path already skips do_recovery(), so it doesn't call the driver callbacks and or emit the message. Make the APEI path do the same. Signed-off-by: Tyler Baicar <tbaicar@codeaurora.org> [bhelgaas: changelog] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.