diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:15:07 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-04 17:15:07 -0700 |
commit | 5941de8eadc287f3f47b87ce9888734ee07d210b (patch) | |
tree | 2f5a8e84c33ae2df61e4e807798a153d6b7f6fbb /arch/s390/include/asm/hardirq.h | |
parent | c44df7413fd711bca818111b94cbd7ce5f3600a9 (diff) | |
parent | c6557e7f2b6ae76a44653d38f835174074c42e05 (diff) |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] move include/asm-s390 to arch/s390/include/asm
Diffstat (limited to 'arch/s390/include/asm/hardirq.h')
-rw-r--r-- | arch/s390/include/asm/hardirq.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/s390/include/asm/hardirq.h b/arch/s390/include/asm/hardirq.h new file mode 100644 index 00000000000..89ec7056da2 --- /dev/null +++ b/arch/s390/include/asm/hardirq.h @@ -0,0 +1,51 @@ +/* + * include/asm-s390/hardirq.h + * + * S390 version + * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com), + * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) + * + * Derived from "include/asm-i386/hardirq.h" + */ + +#ifndef __ASM_HARDIRQ_H +#define __ASM_HARDIRQ_H + +#include <linux/threads.h> +#include <linux/sched.h> +#include <linux/cache.h> +#include <linux/interrupt.h> +#include <asm/lowcore.h> + +/* irq_cpustat_t is unused currently, but could be converted + * into a percpu variable instead of storing softirq_pending + * on the lowcore */ +typedef struct { + unsigned int __softirq_pending; +} irq_cpustat_t; + +#define local_softirq_pending() (S390_lowcore.softirq_pending) + +#define __ARCH_IRQ_STAT +#define __ARCH_HAS_DO_SOFTIRQ + +#define HARDIRQ_BITS 8 + +void clock_comparator_work(void); + +static inline unsigned long long local_tick_disable(void) +{ + unsigned long long old; + + old = S390_lowcore.clock_comparator; + S390_lowcore.clock_comparator = -1ULL; + return old; +} + +static inline void local_tick_enable(unsigned long long comp) +{ + S390_lowcore.clock_comparator = comp; +} + +#endif /* __ASM_HARDIRQ_H */ |