Messages in this thread | | | Date | Wed, 21 Feb 2024 20:36:05 -0800 | From | Boqun Feng <> | Subject | Re: [PATCH 4/4] locking/rwsem: Make DEBUG_RWSEMS and PREEMPT_RT mutually exclusive |
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On Mon, Feb 12, 2024 at 10:16:56PM -0500, Waiman Long wrote: > The debugging code enabled by CONFIG_DEBUG_RWSEMS will only be > compiled in when CONFIG_PREEMPT_RT isn't set. There is no point to > allow CONFIG_DEBUG_RWSEMS to be set in a kernel configuration where > CONFIG_PREEMPT_RT is also set. Make them mutually exclusive. > > Signed-off-by: Waiman Long <longman@redhat.com>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Regards, Boqun
> --- > lib/Kconfig.debug | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > index 975a07f9f1cc..cb695bc76d30 100644 > --- a/lib/Kconfig.debug > +++ b/lib/Kconfig.debug > @@ -1303,7 +1303,7 @@ config PROVE_LOCKING > select DEBUG_SPINLOCK > select DEBUG_MUTEXES if !PREEMPT_RT > select DEBUG_RT_MUTEXES if RT_MUTEXES > - select DEBUG_RWSEMS > + select DEBUG_RWSEMS if !PREEMPT_RT > select DEBUG_WW_MUTEX_SLOWPATH > select DEBUG_LOCK_ALLOC > select PREEMPT_COUNT if !ARCH_NO_PREEMPT > @@ -1426,7 +1426,7 @@ config DEBUG_WW_MUTEX_SLOWPATH > > config DEBUG_RWSEMS > bool "RW Semaphore debugging: basic checks" > - depends on DEBUG_KERNEL > + depends on DEBUG_KERNEL && !PREEMPT_RT > help > This debugging feature allows mismatched rw semaphore locks > and unlocks to be detected and reported. > -- > 2.39.3 >
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