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Commit 811410fd authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Ingo Molnar
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genirq: add reverse iterator for irq_desc 

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 249f6d9e
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include/linux/irq.h
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......@@ -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
......
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