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genirq: Remove early_init_irq_lock_class()

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early_init_irq_lock_class() is called way before anything touches the
irq descriptors. In case of SPARSE_IRQ=y this is a NOP operation
because the radix tree is empty at this point. For the SPARSE_IRQ=n
case it's sufficient to set the lock class in early_init_irq(). 

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2010-09-22 15:58:45 +02:00
parent 3795de236d
commit 154cd387cd
3 changed files with 1 additions and 19 deletions
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1
init/main.c
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@ -556,7 +556,6 @@ asmlinkage void __init start_kernel(void)
local_irq_disable();
early_boot_irqs_off();
early_init_irq_lock_class();
/*
* Interrupts are still disabled. Do necessary setups, then