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authorYinghai Lu <yinghai@kernel.org>2008-12-26 05:05:47 -0500
committerIngo Molnar <mingo@elte.hu>2008-12-27 07:24:00 -0500
commit13a0c3c269b223f60abfac8a9811d77111a8b4ba (patch)
treeb57a92eb9eb7c8c1de30bbe29b6a461289e75c62 /include/linux/irq.h
parent793f7b12a0c95e7bfec1badf9628043fb78fd440 (diff)
sparseirq: work around compiler optimizing away __weak functions
Impact: fix panic on null pointer with sparseirq Some GCC versions seem to inline the weak global function, when that function is empty. Work it around, by making the functions return a (dummy) integer. Signed-off-by: Yinghai <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 69da275c0ebd..0e40af4bac40 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -193,9 +193,9 @@ struct irq_desc {
193 const char *name; 193 const char *name;
194} ____cacheline_internodealigned_in_smp; 194} ____cacheline_internodealigned_in_smp;
195 195
196extern void early_irq_init(void); 196extern int early_irq_init(void);
197extern void arch_early_irq_init(void); 197extern int arch_early_irq_init(void);
198extern void arch_init_chip_data(struct irq_desc *desc, int cpu); 198extern int arch_init_chip_data(struct irq_desc *desc, int cpu);
199extern void arch_init_copy_chip_data(struct irq_desc *old_desc, 199extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
200 struct irq_desc *desc, int cpu); 200 struct irq_desc *desc, int cpu);
201extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc); 201extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);