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sparc64: Add interface for registering a performance counter IRQ handler.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-11-21 02:06:07 -08:00
parent 0871420fad
commit 2c2551ab99
3 changed files with 67 additions and 1 deletions
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3
arch/sparc/include/asm/irq_64.h
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@ -66,6 +66,9 @@ extern void virt_irq_free(unsigned int virt_irq);
extern void __init init_IRQ(void);
extern void fixup_irqs(void);
extern int register_perfctr_intr(void (*handler)(struct pt_regs *));
extern void release_perfctr_intr(void (*handler)(struct pt_regs *));
static inline void set_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%set_softint"