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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-31 09:00:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-31 09:00:59 -0800
commitdb200df0b3530f673d8e9f5bd535e9e10305842a (patch)
tree9a94039b8813452c51a50fcb45e95c32a9f0e537 /kernel/softirq.c
parentec270e59a74eee972006a87c8e12514a20588369 (diff)
parent43a256322ac1fc105c181b3cade3b9bfc0b63ca1 (diff)
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Merge branch 'irq-fixes-for-linus-4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'irq-fixes-for-linus-4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sparseirq: move __weak symbols into separate compilation unit sparseirq: work around __weak alias bug sparseirq: fix hang with !SPARSE_IRQ sparseirq: set lock_class for legacy irq when sparse_irq is selected sparseirq: work around compiler optimizing away __weak functions sparseirq: fix desc->lock init sparseirq: do not printk when migrating IRQ descriptors sparseirq: remove duplicated arch_early_irq_init() irq: simplify for_each_irq_desc() usage proc: remove ifdef CONFIG_SPARSE_IRQ from stat.c irq: for_each_irq_desc() move to irqnr.h hrtimer: remove #include <linux/irq.h>
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r--kernel/softirq.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 466e75c..670c1ec 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -784,3 +784,23 @@ int on_each_cpu(void (*func) (void *info), void *info, int wait)
}
EXPORT_SYMBOL(on_each_cpu);
#endif
+
+/*
+ * [ These __weak aliases are kept in a separate compilation unit, so that
+ * GCC does not inline them incorrectly. ]
+ */
+
+int __init __weak early_irq_init(void)
+{
+ return 0;
+}
+
+int __init __weak arch_early_irq_init(void)
+{
+ return 0;
+}
+
+int __weak arch_init_chip_data(struct irq_desc *desc, int cpu)
+{
+ return 0;
+}
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