Commit b6a32bbd authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190816160923.12855-1-bigeasy@linutronix.de
parent d1abaeb3

include/linux/interrupt.h

+4 −0
Original line number Diff line number Diff line
@@ -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

kernel/irq/manage.c

+1 −1
Original line number Diff line number Diff line
@@ -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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