diff options
| author | Waiman Long <longman@redhat.com> | 2024-02-22 16:05:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-02-28 13:08:38 +0100 |
| commit | f22f71322a18e90e127f2fc2c11cc2d5191bc4c6 (patch) | |
| tree | df83c69681020977a15550a71c66fc47096c9699 /lib | |
| parent | locking/rwsem: Clarify that RWSEM_READER_OWNED is just a hint (diff) | |
| download | linux-f22f71322a18e90e127f2fc2c11cc2d5191bc4c6.tar.xz linux-f22f71322a18e90e127f2fc2c11cc2d5191bc4c6.zip | |
locking/rwsem: Make DEBUG_RWSEMS and PREEMPT_RT mutually exclusive
The debugging code enabled by CONFIG_DEBUG_RWSEMS=y 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>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240222150540.79981-5-longman@redhat.com
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 4 |
1 files 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. |