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Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/chip.c2
-rw-r--r--kernel/irq/numa_migrate.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index c248eba98b4..122fef4b0bd 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -386,6 +386,7 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
out_unlock:
spin_unlock(&desc->lock);
}
+EXPORT_SYMBOL_GPL(handle_level_irq);
/**
* handle_fasteoi_irq - irq handler for transparent controllers
@@ -596,6 +597,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
}
spin_unlock_irqrestore(&desc->lock, flags);
}
+EXPORT_SYMBOL_GPL(__set_irq_handler);
void
set_irq_chip_and_handler(unsigned int irq, struct irq_chip *chip,
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 666260e4c06..7f9b80434e3 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -78,7 +78,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
desc = irq_desc_ptrs[irq];
if (desc && old_desc != desc)
- goto out_unlock;
+ goto out_unlock;
node = cpu_to_node(cpu);
desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node);
@@ -97,10 +97,15 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
}
irq_desc_ptrs[irq] = desc;
+ spin_unlock_irqrestore(&sparse_irq_lock, flags);
/* free the old one */
free_one_irq_desc(old_desc, desc);
+ spin_unlock(&old_desc->lock);
kfree(old_desc);
+ spin_lock(&desc->lock);
+
+ return desc;
out_unlock:
spin_unlock_irqrestore(&sparse_irq_lock, flags);