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Commit 6a58fb3b authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

genirq: Remove CONFIG_IRQ_PER_CPU 



The saving of this switch is minimal versus the ifdef mess it
creates. Simple enable PER_CPU unconditionally and remove the config
switch.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent f230b6d5

include/linux/irq.h

+0 −5
Original line number Diff line number Diff line
@@ -78,13 +78,8 @@ typedef void (*irq_flow_handler_t)(unsigned int irq, 
	 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \

	 IRQ_PER_CPU | IRQ_NESTED_THREAD)



#ifdef CONFIG_IRQ_PER_CPU

# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)

# define IRQ_NO_BALANCING_MASK	(IRQ_PER_CPU | IRQ_NO_BALANCING)

#else

# define CHECK_IRQ_PER_CPU(var) 0

# define IRQ_NO_BALANCING_MASK	IRQ_NO_BALANCING

#endif



/*

 * Return value for chip->irq_set_affinity()

kernel/irq/Kconfig

+0 −3
Original line number Diff line number Diff line
@@ -32,9 +32,6 @@ config GENERIC_PENDING_IRQ 
config AUTO_IRQ_AFFINITY

       def_bool n



config IRQ_PER_CPU

       def_bool n



config HARDIRQS_SW_RESEND

       def_bool n

kernel/irq/internals.h

+0 −2
Original line number Diff line number Diff line
@@ -163,9 +163,7 @@ static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc) 
	}



	P(IRQ_LEVEL);

#ifdef CONFIG_IRQ_PER_CPU

	P(IRQ_PER_CPU);

#endif

	P(IRQ_NOPROBE);

	P(IRQ_NOREQUEST);

	P(IRQ_NOAUTOEN);

kernel/irq/manage.c

+3 −6
Original line number Diff line number Diff line
@@ -865,12 +865,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) 
			goto mismatch;

		}



#if defined(CONFIG_IRQ_PER_CPU)

		/* All handlers must agree on per-cpuness */

		if ((old->flags & IRQF_PERCPU) !=

		    (new->flags & IRQF_PERCPU))

			goto mismatch;

#endif



		/* add new interrupt at end of irq queue */

		do {
@@ -894,15 +892,14 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) 
				goto out_mask;

		} else

			compat_irq_chip_set_default_handler(desc);

#if defined(CONFIG_IRQ_PER_CPU)

		if (new->flags & IRQF_PERCPU)

			desc->status |= IRQ_PER_CPU;

#endif



		desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \

				  IRQS_INPROGRESS | IRQS_ONESHOT | \

				  IRQS_WAITING);



		if (new->flags & IRQF_PERCPU)

			desc->status |= IRQ_PER_CPU;



		if (new->flags & IRQF_ONESHOT)

			desc->istate |= IRQS_ONESHOT;