diff options
Diffstat (limited to 'arch/alpha/include/asm/hardirq.h')
-rw-r--r-- | arch/alpha/include/asm/hardirq.h | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/arch/alpha/include/asm/hardirq.h b/arch/alpha/include/asm/hardirq.h index d953e234daa8..88971460fa6c 100644 --- a/arch/alpha/include/asm/hardirq.h +++ b/arch/alpha/include/asm/hardirq.h | |||
@@ -14,17 +14,4 @@ typedef struct { | |||
14 | 14 | ||
15 | void ack_bad_irq(unsigned int irq); | 15 | void ack_bad_irq(unsigned int irq); |
16 | 16 | ||
17 | #define HARDIRQ_BITS 12 | ||
18 | |||
19 | /* | ||
20 | * The hardirq mask has to be large enough to have | ||
21 | * space for potentially nestable IRQ sources in the system | ||
22 | * to nest on a single CPU. On Alpha, interrupts are masked at the CPU | ||
23 | * by IPL as well as at the system level. We only have 8 IPLs (UNIX PALcode) | ||
24 | * so we really only have 8 nestable IRQs, but allow some overhead | ||
25 | */ | ||
26 | #if (1 << HARDIRQ_BITS) < 16 | ||
27 | #error HARDIRQ_BITS is too low! | ||
28 | #endif | ||
29 | |||
30 | #endif /* _ALPHA_HARDIRQ_H */ | 17 | #endif /* _ALPHA_HARDIRQ_H */ |