diff options
| author | Ingo Molnar <mingo@kernel.org> | 2021-03-06 13:00:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-03-06 13:00:58 +0100 |
| commit | a500fc918f7b8dc3dff2e6c74f3e73e856c18248 (patch) | |
| tree | 9f580b803731bec6b598ec280f56abc6b13e1a97 /include/linux | |
| parent | d43f17a1da25373580ebb466de7d0641acbf6fd6 (diff) | |
| parent | bdb1050ee1faaec1e78c15de8b1959176f26c655 (diff) | |
Merge branch 'locking/core' into x86/mm, to resolve conflict
There's a non-trivial conflict between the parallel TLB flush
framework and the IPI flush debugging code - merge them
manually.
Conflicts:
kernel/smp.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/lockdep.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 7b7ebf2e28ec..17805aac0e85 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -268,6 +268,11 @@ extern void lock_acquire(struct lockdep_map *lock, unsigned int subclass, extern void lock_release(struct lockdep_map *lock, unsigned long ip); +/* lock_is_held_type() returns */ +#define LOCK_STATE_UNKNOWN -1 +#define LOCK_STATE_NOT_HELD 0 +#define LOCK_STATE_HELD 1 + /* * Same "read" as for lock_acquire(), except -1 means any. */ @@ -301,8 +306,14 @@ extern void lock_unpin_lock(struct lockdep_map *lock, struct pin_cookie); #define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0) -#define lockdep_assert_held(l) do { \ - WARN_ON(debug_locks && !lockdep_is_held(l)); \ +#define lockdep_assert_held(l) do { \ + WARN_ON(debug_locks && \ + lockdep_is_held(l) == LOCK_STATE_NOT_HELD); \ + } while (0) + +#define lockdep_assert_not_held(l) do { \ + WARN_ON(debug_locks && \ + lockdep_is_held(l) == LOCK_STATE_HELD); \ } while (0) #define lockdep_assert_held_write(l) do { \ @@ -393,7 +404,8 @@ extern int lockdep_is_held(const void *); #define lockdep_is_held_type(l, r) (1) #define lockdep_assert_held(l) do { (void)(l); } while (0) -#define lockdep_assert_held_write(l) do { (void)(l); } while (0) +#define lockdep_assert_not_held(l) do { (void)(l); } while (0) +#define lockdep_assert_held_write(l) do { (void)(l); } while (0) #define lockdep_assert_held_read(l) do { (void)(l); } while (0) #define lockdep_assert_held_once(l) do { (void)(l); } while (0) |