Commit-ID: be4034016c11f8913d38fccf692007fab1c50be1 Gitweb: http://git.kernel.org/tip/be4034016c11f8913d38fccf692007fab1c50be1 Author: Thomas Gleixner <[email protected]> AuthorDate: Wed, 7 May 2014 15:44:20 +0000 Committer: Thomas Gleixner <[email protected]> CommitDate: Fri, 16 May 2014 14:05:22 +0200
s390: Avoid call to irq_reserve_irqs() 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 <[email protected]> Reviewed-by: Grant Likely <[email protected]> Cc: Tony Luck <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- arch/s390/kernel/irq.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index 2fb0998..99b0b09 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -92,7 +92,6 @@ static const struct irq_class irqclass_sub_desc[NR_ARCH_IRQS] = { 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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
