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author | Thomas Gleixner <tglx@linutronix.de> | 2021-08-16 00:27:38 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-18 14:43:52 +0300 |
commit | 26249d9392d32c2dc56a85160727c05af3150a58 (patch) | |
tree | 1b95d6c49b48eb6a65039d9c8ea02b90a6f1b47c /include | |
parent | fad83993185be5a14a8deeb8cb62aa2cefea2167 (diff) | |
download | linux-26249d9392d32c2dc56a85160727c05af3150a58.tar.xz |
locking/rtmutex: Set proper wait context for lockdep
[ Upstream commit b41cda03765580caf7723b8c1b672d191c71013f ]
RT mutexes belong to the LD_WAIT_SLEEP class. Make them so.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210815211302.031014562@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/rtmutex.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index d1672de9ca89..87b325aec508 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -52,17 +52,22 @@ do { \ } while (0) #ifdef CONFIG_DEBUG_LOCK_ALLOC -#define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \ - , .dep_map = { .name = #mutexname } +#define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \ + .dep_map = { \ + .name = #mutexname, \ + .wait_type_inner = LD_WAIT_SLEEP, \ + } #else #define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) #endif -#define __RT_MUTEX_INITIALIZER(mutexname) \ - { .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(mutexname.wait_lock) \ - , .waiters = RB_ROOT_CACHED \ - , .owner = NULL \ - __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname)} +#define __RT_MUTEX_INITIALIZER(mutexname) \ +{ \ + .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(mutexname.wait_lock), \ + .waiters = RB_ROOT_CACHED, \ + .owner = NULL, \ + __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \ +} #define DEFINE_RT_MUTEX(mutexname) \ struct rt_mutex mutexname = __RT_MUTEX_INITIALIZER(mutexname) |