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locking/local_lock: Expose dep_map in local_trylock_t.

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lockdep_is_held() macro assumes that "struct lockdep_map dep_map;"
is a top level field of any lock that participates in LOCKDEP.
Make it so for local_trylock_t.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Alexei Starovoitov 2025-09-03 14:59:43 +02:00 committed by Vlastimil Babka
parent 1b237f190e
commit 212b0f07cf
1 changed files with 6 additions and 3 deletions
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9
include/linux/local_lock_internal.h
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@ -17,7 +17,10 @@ typedef struct {
/* local_trylock() and local_trylock_irqsave() only work with local_trylock_t */
typedef struct {
local_lock_t llock;
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;
struct task_struct *owner;
#endif
u8 acquired;
} local_trylock_t;
@ -31,7 +34,7 @@ typedef struct {
.owner = NULL,
# define LOCAL_TRYLOCK_DEBUG_INIT(lockname) \
.llock = { LOCAL_LOCK_DEBUG_INIT((lockname).llock) },
LOCAL_LOCK_DEBUG_INIT(lockname)
static inline void local_lock_acquire(local_lock_t *l)
{
@ -81,7 +84,7 @@ do { \
local_lock_debug_init(lock); \
} while (0)
#define __local_trylock_init(lock) __local_lock_init(lock.llock)
#define __local_trylock_init(lock) __local_lock_init((local_lock_t *)lock)
#define __spinlock_nested_bh_init(lock) \
do { \