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| author | Tony Lindgren <tony@atomide.com> | 2017-11-28 18:06:34 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2017-11-28 18:06:34 +0300 |
| commit | 2db57789e6612ce0cf2fcbb577a1c8307b708566 (patch) | |
| tree | dd9f9e3dffabbf5cb932fcf5055ab329ca940fa0 /include/linux/lockdep.h | |
| parent | f0c96c6d40312b1a76cd36709dc3eb5948c1b97f (diff) | |
| parent | e9a9bb4e4779ca74cb52a6e2f8acbc0881d3bb18 (diff) | |
| download | linux-2db57789e6612ce0cf2fcbb577a1c8307b708566.tar.xz | |
Merge branch 'soc-fixes' into omap-for-v4.15/fixes
Diffstat (limited to 'include/linux/lockdep.h')
| -rw-r--r-- | include/linux/lockdep.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index bfa8e0b0d6f1..a842551fe044 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Runtime locking correctness validator * @@ -527,6 +528,11 @@ static inline void lockdep_on(void) */ struct lock_class_key { }; +/* + * The lockdep_map takes no space if lockdep is disabled: + */ +struct lockdep_map { }; + #define lockdep_depth(tsk) (0) #define lockdep_is_held_type(l, r) (1) @@ -719,9 +725,24 @@ do { \ lock_acquire(&(lock)->dep_map, 0, 0, 1, 1, NULL, _THIS_IP_); \ lock_release(&(lock)->dep_map, 0, _THIS_IP_); \ } while (0) + +#define lockdep_assert_irqs_enabled() do { \ + WARN_ONCE(debug_locks && !current->lockdep_recursion && \ + !current->hardirqs_enabled, \ + "IRQs not enabled as expected\n"); \ + } while (0) + +#define lockdep_assert_irqs_disabled() do { \ + WARN_ONCE(debug_locks && !current->lockdep_recursion && \ + current->hardirqs_enabled, \ + "IRQs not disabled as expected\n"); \ + } while (0) + #else # define might_lock(lock) do { } while (0) # define might_lock_read(lock) do { } while (0) +# define lockdep_assert_irqs_enabled() do { } while (0) +# define lockdep_assert_irqs_disabled() do { } while (0) #endif #ifdef CONFIG_LOCKDEP |