diff options
author | James Morris <jmorris@namei.org> | 2008-09-21 17:41:56 -0700 |
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committer | James Morris <jmorris@namei.org> | 2008-09-21 17:41:56 -0700 |
commit | ab2b49518e743962f71b94246855c44ee9cf52cc (patch) | |
tree | 26b260a350f0a0a0d19b558bf147b812e3a1564c /arch/blackfin/include/asm/hardirq.h | |
parent | f058925b201357fba48d56cc9c1719ae274b2022 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge branch 'master' into next
Conflicts:
MAINTAINERS
Thanks for breaking my tree :-)
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/blackfin/include/asm/hardirq.h')
-rw-r--r-- | arch/blackfin/include/asm/hardirq.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/hardirq.h b/arch/blackfin/include/asm/hardirq.h new file mode 100644 index 00000000000..b6b19f1b9da --- /dev/null +++ b/arch/blackfin/include/asm/hardirq.h @@ -0,0 +1,45 @@ +#ifndef __BFIN_HARDIRQ_H +#define __BFIN_HARDIRQ_H + +#include <linux/cache.h> +#include <linux/threads.h> +#include <asm/irq.h> + +typedef struct { + unsigned int __softirq_pending; + unsigned int __syscall_count; + struct task_struct *__ksoftirqd_task; +} ____cacheline_aligned irq_cpustat_t; + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +/* + * We put the hardirq and softirq counter into the preemption + * counter. The bitmask has the following meaning: + * + * - bits 0-7 are the preemption count (max preemption depth: 256) + * - bits 8-15 are the softirq count (max # of softirqs: 256) + * - bits 16-23 are the hardirq count (max # of hardirqs: 256) + * + * - ( bit 26 is the PREEMPT_ACTIVE flag. ) + * + * PREEMPT_MASK: 0x000000ff + * HARDIRQ_MASK: 0x0000ff00 + * SOFTIRQ_MASK: 0x00ff0000 + */ + +#if NR_IRQS > 256 +#define HARDIRQ_BITS 9 +#else +#define HARDIRQ_BITS 8 +#endif + +#ifdef NR_IRQS +# if (1 << HARDIRQ_BITS) < NR_IRQS +# error HARDIRQ_BITS is too low! +# endif +#endif + +#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 + +#endif |