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CONFIG_PROVE_RAW_LOCK_NESTING: Enable raw_spinlock - spinlock nesting checks

General informations

The Linux kernel configuration item CONFIG_PROVE_RAW_LOCK_NESTING:

Help text

Enable the raw_spinlock vs. spinlock nesting checks which ensure that the lock nesting rules for PREEMPT_RT enabled kernels are not violated.

NOTE: There are known nesting problems. So if you enable this option expect lockdep splats until these problems have been fully addressed which is work in progress. This config switch allows to identify and analyze these problems. It will be removed and the check permanentely enabled once the main issues have been fixed.

If unsure, select N.

Hardware

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