diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2020-12-10 20:25:39 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-12-15 16:19:30 +0100 |
| commit | f1c6306c0d6b50844ba02c8a53e35405e9c0db05 (patch) | |
| tree | bfc1a58eafe6bd3d2d32d501f8d5eee94bee8a2b /kernel | |
| parent | genirq: Move status flag checks to core (diff) | |
| download | linux-f1c6306c0d6b50844ba02c8a53e35405e9c0db05.tar.xz linux-f1c6306c0d6b50844ba02c8a53e35405e9c0db05.zip | |
genirq: Move irq_set_lockdep_class() to core
irq_set_lockdep_class() is used from modules and requires irq_to_desc() to
be exported. Move it into the core code which lifts another requirement for
the export.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201210194042.860029489@linutronix.de
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/irqdesc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index e810eb9906ea..20a54fa7cd30 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -968,3 +968,17 @@ unsigned int kstat_irqs_usr(unsigned int irq) rcu_read_unlock(); return sum; } + +#ifdef CONFIG_LOCKDEP +void __irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class, + struct lock_class_key *request_class) +{ + struct irq_desc *desc = irq_to_desc(irq); + + if (desc) { + lockdep_set_class(&desc->lock, lock_class); + lockdep_set_class(&desc->request_mutex, request_class); + } +} +EXPORT_SYMBOL_GPL(__irq_set_lockdep_class); +#endif |