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Commit 811410fd authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
Browse files

genirq: add reverse iterator for irq_desc 



Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 249f6d9e

include/linux/irq.h

+4 −0
Original line number Diff line number Diff line
@@ -21,6 +21,10 @@ extern int nr_irqs; 


# define for_each_irq_desc(irq, desc)		\

	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)



# define for_each_irq_desc_reverse(irq, desc)			\

	for (irq = nr_irqs -1, desc = irq_desc + (nr_irqs -1 );	\

	     irq > 0; irq--, desc--)

#endif



#ifndef CONFIG_S390