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ec6aba3d2b
The reason for kprobe::fault_handler(), as given by their comment: * We come here because instructions in the pre/post * handler caused the page_fault, this could happen * if handler tries to access user space by * copy_from_user(), get_user() etc. Let the * user-specified handler try to fix it first. Is just plain bad. Those other handlers are ran from non-preemptible context and had better use _nofault() functions. Also, there is no upstream usage of this. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/r/20210525073213.561116662@infradead.org |
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| .. | ||
| configs | ||
| hp/common | ||
| include | ||
| kernel | ||
| lib | ||
| mm | ||
| pci | ||
| scripts | ||
| uv | ||
| install.sh | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||