| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef __ASM_HARDIRQ_H |
| 2 | #define __ASM_HARDIRQ_H |
| 3 | |
| 4 | /* only non-SMP supported */ |
| 5 | |
| 6 | #include <linux/threads.h> |
| 7 | #include <linux/cache.h> |
| 8 | |
| 9 | /* entry.S is sensitive to the offsets of these fields */ |
| 10 | typedef struct { |
| 11 | unsigned int __softirq_pending; |
| 12 | } ____cacheline_aligned irq_cpustat_t; |
| 13 | |
| 14 | #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ |
| 15 | |
| 16 | #define HARDIRQ_BITS 8 |
| 17 | |
| 18 | /* |
| 19 | * The hardirq mask has to be large enough to have |
| 20 | * space for potentially all IRQ sources in the system |
| 21 | * nesting on a single CPU: |
| 22 | */ |
| 23 | #if (1 << HARDIRQ_BITS) < NR_IRQS |
| 24 | # error HARDIRQ_BITS is too low! |
| 25 | #endif |
| 26 | |
| 27 | #endif /* __ASM_HARDIRQ_H */ |