fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-arm / hardirq.h

diff --git a/include/asm-arm/hardirq.h b/include/asm-arm/hardirq.h
index cb8c525..182310b 100644 (file)
--- a/include/asm-arm/hardirq.h
+++ b/include/asm-arm/hardirq.h
@@ -1,51 +1,22 @@
 #ifndef __ASM_HARDIRQ_H
 #define __ASM_HARDIRQ_H
 
-#include <linux/config.h>
 #include <linux/cache.h>
 #include <linux/threads.h>
 #include <asm/irq.h>
 
 typedef struct {
        unsigned int __softirq_pending;
-       unsigned int __local_irq_count;
-       unsigned int __local_bh_count;
-       unsigned int __syscall_count;
-       struct task_struct * __ksoftirqd_task; /* waitqueue is too large */
+       unsigned int local_timer_irqs;
 } ____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 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
- */
-#define PREEMPT_BITS   8
-#define SOFTIRQ_BITS   8
+#if NR_IRQS > 256
+#define HARDIRQ_BITS   9
+#else
 #define HARDIRQ_BITS   8
-
-#define PREEMPT_SHIFT  0
-#define SOFTIRQ_SHIFT  (PREEMPT_SHIFT + PREEMPT_BITS)
-#define HARDIRQ_SHIFT  (SOFTIRQ_SHIFT + SOFTIRQ_BITS)
-
-#define __MASK(x)      ((1UL << (x))-1)
-
-#define PREEMPT_MASK   (__MASK(PREEMPT_BITS) << PREEMPT_SHIFT)
-#define HARDIRQ_MASK   (__MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT)
-#define SOFTIRQ_MASK   (__MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT)
-
-#define hardirq_count()        (preempt_count() & HARDIRQ_MASK)
-#define softirq_count()        (preempt_count() & SOFTIRQ_MASK)
-#define irq_count()    (preempt_count() & (HARDIRQ_MASK|SOFTIRQ_MASK))
-
-#define PREEMPT_OFFSET (1UL << PREEMPT_SHIFT)
-#define SOFTIRQ_OFFSET (1UL << SOFTIRQ_SHIFT)
-#define HARDIRQ_OFFSET (1UL << HARDIRQ_SHIFT)
+#endif
 
 /*
  * The hardirq mask has to be large enough to have space
@@ -56,42 +27,6 @@ typedef struct {
 # error HARDIRQ_BITS is too low!
 #endif
 
-/*
- * Are we doing bottom half or hardware interrupt processing?
- * Are we in a softirq context? Interrupt context?
- */
-#define in_irq()               (hardirq_count())
-#define in_softirq()           (softirq_count())
-#define in_interrupt()         (irq_count())
-
-#define hardirq_trylock()      (!in_interrupt())
-#define hardirq_endlock()      do { } while (0)
-
-#define irq_enter()            (preempt_count() += HARDIRQ_OFFSET)
-
-#ifdef CONFIG_PREEMPT
-# define in_atomic()   ((preempt_count() & ~PREEMPT_ACTIVE) != kernel_locked())
-# define IRQ_EXIT_OFFSET (HARDIRQ_OFFSET-1)
-#else
-# define in_atomic()   (preempt_count() != 0)
-# define IRQ_EXIT_OFFSET HARDIRQ_OFFSET
-#endif
-
-#ifndef CONFIG_SMP
-
-extern asmlinkage void __do_softirq(void);
-
-#define irq_exit()                                                     \
-       do {                                                            \
-               preempt_count() -= IRQ_EXIT_OFFSET;                     \
-               if (!in_interrupt() && local_softirq_pending())         \
-                       __do_softirq();                                 \
-               preempt_enable_no_resched();                            \
-       } while (0)
-
-#define synchronize_irq(irq)   barrier()
-#else
-extern void synchronize_irq(unsigned int irq);
-#endif
+#define __ARCH_IRQ_EXIT_IRQS_DISABLED  1
 
 #endif /* __ASM_HARDIRQ_H */