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Some APEI GHES recoverable errors are reported via NMI, but printk is not safe in NMI context. To solve the issue, a lock-less memory allocator is used to allocate memory in NMI handler, save the error record into the allocated memory, put the error record into a lock-less list. On the other hand, an irq_work is used to delay the operation from NMI context to IRQ context. The irq_work IRQ handler will remove nodes from lock-less list, printk the error record and do some further processing include recovery operation, then free the memory. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> |
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| .. | ||
| apei-base.c | ||
| apei-internal.h | ||
| cper.c | ||
| einj.c | ||
| erst-dbg.c | ||
| erst.c | ||
| ghes.c | ||
| hest.c | ||
| Kconfig | ||
| Makefile | ||