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[PATCH] genirq: add genirq sw IRQ-retrigger

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Enable platforms that do not have a hardware-assisted hardirq-resend mechanism
to resend them via a softirq-driven IRQ emulation mechanism.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Thomas Gleixner 2006-06-29 02:24:48 -07:00 • committed by Linus Torvalds
commit a4633adcdb
4 changed files with 83 additions and 10 deletions
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3
include/linux/irq.h
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@ -246,6 +246,9 @@ extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
int action_ret, struct pt_regs *regs);
extern int can_request_irq(unsigned int irq, unsigned long irqflags);
/* Resending of interrupts :*/
void check_irq_resend(struct irq_desc *desc, unsigned int irq);
extern void init_irq_proc(void);
#endif /* CONFIG_GENERIC_HARDIRQS */