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x86: UV, SGI RTC: add generic system vector

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This patch allocates a system interrupt vector for various platform
specific uses.

Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: john stultz <johnstul@us.ibm.com>
LKML-Reference: <20090304185605.GA24419@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Dimitri Sivanich
2009-03-04 12:56:05 -06:00
committed by Ingo Molnar
parent f254f3909e
commit acaabe795a
9 changed files with 52 additions and 0 deletions
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arch/x86/include/asm/irq.h
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@ -36,6 +36,7 @@ static inline int irq_canonicalize(int irq)
extern void fixup_irqs(void);
#endif
extern void (*generic_interrupt_extension)(void);
extern void init_IRQ(void);
extern void native_init_IRQ(void);
extern bool handle_irq(unsigned irq, struct pt_regs *regs);