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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-09-22 21:20:41 +0900
committerMarc Zyngier <marc.zyngier@arm.com>2017-10-19 10:30:15 +0100
commitd03cc2d8aed3bfbdfc1f52e79054e0013b5721ca (patch)
treebb00d5095d37d426a191a252dd74289ecfa34ce8
parentf1d783585486c7c612f277c2a6f0c9bb5a67e463 (diff)
downloadlinux-d03cc2d8aed3bfbdfc1f52e79054e0013b5721ca.tar.gz
irqdomain: Add __rcu annotations to radix tree slot
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>
-rw-r--r--kernel/irq/irqdomain.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 31d0f9ff4f00..fbbf34293b17 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -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. */