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CONFIG_FTRACE_SORT_STARTUP_TEST: Verify compile time sorting of ftrace functions

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The Linux kernel configuration item CONFIG_FTRACE_SORT_STARTUP_TEST:

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Sorting of the mcount_loc sections that is used to find the where the ftrace knows where to patch functions for tracing and other callbacks is done at compile time. But if the sort is not done correctly, it will cause non-deterministic failures. When this is set, the sorted sections will be verified that they are in deed sorted and will warn if they are not.

If unsure, say N

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