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| 1 | #ifndef __ASM_HARDIRQ_H
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| 2 | #define __ASM_HARDIRQ_H
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| 3 |
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| 4 | extern unsigned int local_irq_count[1];
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| 5 |
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| 6 | /*
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| 7 | * Are we in an interrupt context? Either doing bottom half
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| 8 | * or hardware interrupt processing?
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| 9 | */
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| 10 | int in_interrupt();
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| 11 |
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| 12 | #define hardirq_trylock(cpu) (local_irq_count[cpu] == 0)
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| 13 | #define hardirq_endlock(cpu) do { } while (0)
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| 14 |
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| 15 | #define hardirq_enter(cpu) (local_irq_count[cpu]++)
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| 16 | #define hardirq_exit(cpu) (local_irq_count[cpu]--)
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| 17 |
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| 18 | #define synchronize_irq()
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| 19 |
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| 20 | #endif /* __ASM_HARDIRQ_H */
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