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irqdomain: Add __rcu annotations to radix tree slot

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Fix different address spaces warning of sparse.

kernel/irq/irqdomain.c:1463:14: warning: incorrect type in assignment (different address spaces)
kernel/irq/irqdomain.c:1463:14:    expected void **slot
kernel/irq/irqdomain.c:1463:14:    got void [noderef] <asn:4>**
kernel/irq/irqdomain.c:1465:66: warning: incorrect type in argument 2 (different address spaces)
kernel/irq/irqdomain.c:1465:66:    expected void [noderef] <asn:4>**slot
kernel/irq/irqdomain.c:1465:66:    got void **slot

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Masahiro Yamada 2017-09-22 21:20:41 +09:00 committed by Marc Zyngier
parent f1d7835854
commit d03cc2d8ae
1 changed files with 2 additions and 2 deletions
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4
kernel/irq/irqdomain.c
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@ -945,7 +945,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
struct irq_desc *desc;
struct irq_domain *domain;
struct radix_tree_iter iter;
void **slot;
void __rcu **slot;
int i;
seq_printf(m, " %-16s %-6s %-10s %-10s %s\n",
@ -1453,7 +1453,7 @@ out_free_desc:
/* The irq_data was moved, fix the revmap to refer to the new location */
static void irq_domain_fix_revmap(struct irq_data *d)
{
void **slot;
void __rcu **slot;
if (d->hwirq < d->domain->revmap_size)
return; /* Not using radix tree. */