The following commit has been merged into the locking/core branch of tip: Commit-ID: d387ceb17149fed4d85a1ec01b3d65ae0204060d Gitweb: https://git.kernel.org/tip/d387ceb17149fed4d85a1ec01b3d65ae0204060d Author: Waiman Long <longman@xxxxxxxxxx> AuthorDate: Wed, 27 Nov 2024 21:00:09 -05:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Mon, 02 Dec 2024 12:16:58 +01:00 locking/lockdep: Enforce PROVE_RAW_LOCK_NESTING only if ARCH_SUPPORTS_RT Relax the rule to set PROVE_RAW_LOCK_NESTING by default only for arches that supports PREEMPT_RT. For arches that do not support PREEMPT_RT, they will not be forced to address unimportant raw lock nesting issues when they want to enable PROVE_LOCKING. They do have the option to enable it to look for these raw locking nesting problems if they choose to. Suggested-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: Waiman Long <longman@xxxxxxxxxx> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/20241128020009.83347-1-longman@xxxxxxxxxx --- lib/Kconfig.debug | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f3d7237..49a3819 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1397,9 +1397,9 @@ config PROVE_LOCKING For more details, see Documentation/locking/lockdep-design.rst. config PROVE_RAW_LOCK_NESTING - bool + bool "Enable raw_spinlock - spinlock nesting checks" if !ARCH_SUPPORTS_RT depends on PROVE_LOCKING - default y + default y if ARCH_SUPPORTS_RT help Enable the raw_spinlock vs. spinlock nesting checks which ensure that the lock nesting rules for PREEMPT_RT enabled kernels are
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