There is no need to mark the lower interrupts as reserved in order to exclude them from dynamic allocation. Provide arch_dynirq_lower_bound() to exclude the lower space. Signed-off-by: Thomas Gleixner Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: linux390@de.ibm.com --- arch/s390/kernel/irq.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) Index: tip/arch/s390/kernel/irq.c =================================================================== --- tip.orig/arch/s390/kernel/irq.c +++ tip/arch/s390/kernel/irq.c @@ -92,7 +92,6 @@ static const struct irq_class irqclass_s void __init init_IRQ(void) { - irq_reserve_irqs(0, THIN_INTERRUPT); init_cio_interrupts(); init_airq_interrupts(); init_ext_interrupts(); @@ -151,6 +150,11 @@ out: return 0; } +unsigned int arch_dynirq_lower_bound(unsigned int from) +{ + return from < THIN_INTERRUPT ? THIN_INTERRUPT : from; +} + /* * Switch to the asynchronous interrupt stack for softirq execution. */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/