diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1998-03-17 22:05:47 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1998-03-17 22:05:47 +0000 |
| commit | 27cfca1ec98e91261b1a5355d10a8996464b63af (patch) | |
| tree | 8e895a53e372fa682b4c0a585b9377d67ed70d0e /include/asm-arm/hardirq.h | |
| parent | 6a76fb7214c477ccf6582bd79c5b4ccc4f9c41b1 (diff) | |
Look Ma' what I found on my harddisk ...
o New faster syscalls for 2.1.x, too
o Upgrade to 2.1.89.
Don't try to run this. It's flaky as hell. But feel free to debug ...
Diffstat (limited to 'include/asm-arm/hardirq.h')
| -rw-r--r-- | include/asm-arm/hardirq.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/asm-arm/hardirq.h b/include/asm-arm/hardirq.h new file mode 100644 index 000000000..0e38fc890 --- /dev/null +++ b/include/asm-arm/hardirq.h @@ -0,0 +1,23 @@ +#ifndef __ASM_HARDIRQ_H +#define __ASM_HARDIRQ_H + +#include <linux/tasks.h> + +extern unsigned int local_irq_count[NR_CPUS]; +#define in_interrupt() (local_irq_count[smp_processor_id()] != 0) + +#ifndef __SMP__ + +#define hardirq_trylock(cpu) (local_irq_count[cpu] == 0) +#define hardirq_endlock(cpu) do { } while (0) + +#define hardirq_enter(cpu) (local_irq_count[cpu]++) +#define hardirq_exit(cpu) (local_irq_count[cpu]--) + +#define synchronize_irq() do { } while (0) + +#else +#error SMP not supported +#endif /* __SMP__ */ + +#endif /* __ASM_HARDIRQ_H */ |