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authorThomas Gleixner <tglx@linutronix.de>2010-09-27 20:55:03 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 16:39:08 +0200
commitb683de2b3cb17bb10fa6fd4af614dc75b5749fe0 (patch)
treee1a799293b218f5c13d4903c57fab144b2f433b3 /kernel/softirq.c
parentaa99ec0f3f26bf2bcd0fa5176de93598427f1e5e (diff)
genirq: Query arch for number of early descriptors
sparse irq sets up NR_IRQS_LEGACY irq descriptors and archs then go ahead and allocate more. Use the unused return value of arch_probe_nr_irqs() to let the architecture return the number of early allocations. Fix up all users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/softirq.c')
-rw-r--r--kernel/softirq.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 07b4f1b1a73..14a7b80b2cc 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -886,9 +886,10 @@ int __init __weak early_irq_init(void)
return 0;
}
+#ifdef CONFIG_GENERIC_HARDIRQS
int __init __weak arch_probe_nr_irqs(void)
{
- return 0;
+ return NR_IRQS_LEGACY;
}
int __init __weak arch_early_irq_init(void)
@@ -900,3 +901,4 @@ int __weak arch_init_chip_data(struct irq_desc *desc, int node)
{
return 0;
}
+#endif