Commit-ID: b6a32bbd8735def2d0d696ba59205d1874b7800f Gitweb: https://git.kernel.org/tip/b6a32bbd8735def2d0d696ba59205d1874b7800f Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Fri, 16 Aug 2019 18:09:23 +0200 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Mon, 19 Aug 2019 15:45:48 +0200 genirq: Force interrupt threading on RT Switch force_irqthreads from a boot time modifiable variable to a compile time constant when CONFIG_PREEMPT_RT is enabled. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lkml.kernel.org/r/20190816160923.12855-1-bigeasy@xxxxxxxxxxxxx --- include/linux/interrupt.h | 4 ++++ kernel/irq/manage.c | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 5b8328a99b2a..07b527dca996 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -472,7 +472,11 @@ extern int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which, bool state); #ifdef CONFIG_IRQ_FORCED_THREADING +# ifdef CONFIG_PREEMPT_RT +# define force_irqthreads (true) +# else extern bool force_irqthreads; +# endif #else #define force_irqthreads (0) #endif diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index e8f7f179bf77..97de1b7d43af 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -23,7 +23,7 @@ #include "internals.h" -#ifdef CONFIG_IRQ_FORCED_THREADING +#if defined(CONFIG_IRQ_FORCED_THREADING) && !defined(CONFIG_PREEMPT_RT) __read_mostly bool force_irqthreads; EXPORT_SYMBOL_GPL(force_irqthreads);
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