]> www.infradead.org Git - users/jedix/linux-maple.git/commitdiff
lockdep: Enable PROVE_RAW_LOCK_NESTING with PROVE_LOCKING.
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Wed, 9 Oct 2024 15:45:03 +0000 (17:45 +0200)
committerBoqun Feng <boqun.feng@gmail.com>
Fri, 18 Oct 2024 04:21:16 +0000 (21:21 -0700)
With the printk issues solved, the last known splat created by
PROVE_RAW_LOCK_NESTING is gone.

Enable PROVE_RAW_LOCK_NESTING by default as part of PROVE_LOCKING. Keep
the defines around in case something serious pops up and it needs to be
disabled.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Waiman Long <longman@redhat.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://lore.kernel.org/r/20241009161041.1018375-2-bigeasy@linutronix.de
lib/Kconfig.debug

index 7315f643817ae1021f1e4b3dd27b424f49e3f761..5b67816f4a62f3ff116ded51bff578f9d3f4d949 100644 (file)
@@ -1409,22 +1409,14 @@ config PROVE_LOCKING
         For more details, see Documentation/locking/lockdep-design.rst.
 
 config PROVE_RAW_LOCK_NESTING
-       bool "Enable raw_spinlock - spinlock nesting checks"
+       bool
        depends on PROVE_LOCKING
-       default n
+       default y
        help
         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 permanently enabled once the main issues have been fixed.
-
-        If unsure, select N.
-
 config LOCK_STAT
        bool "Lock usage statistics"
        depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT