fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-s390 / hardirq.h

diff --git a/include/asm-s390/hardirq.h b/include/asm-s390/hardirq.h
index 1092143..c2f6a87 100644 (file)
--- a/include/asm-s390/hardirq.h
+++ b/include/asm-s390/hardirq.h
@@ -12,10 +12,10 @@
 #ifndef __ASM_HARDIRQ_H
 #define __ASM_HARDIRQ_H
 
-#include <linux/config.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
@@ -27,92 +27,11 @@ typedef struct {
 
 #define local_softirq_pending() (S390_lowcore.softirq_pending)
 
-/* this is always called with cpu == smp_processor_id() at the moment */
-static inline __u32
-softirq_pending(unsigned int cpu)
-{
-       if (cpu == smp_processor_id())
-               return local_softirq_pending();
-       return lowcore_ptr[cpu]->softirq_pending;
-}
-
 #define __ARCH_IRQ_STAT
+#define __ARCH_HAS_DO_SOFTIRQ
 
-/*
- * 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
- * SOFTIRQ_MASK: 0x0000ff00
- * HARDIRQ_MASK: 0x00ff0000
- */
-
-#define PREEMPT_BITS   8
-#define SOFTIRQ_BITS   8
 #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 SOFTIRQ_MASK   (__MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT)
-#define HARDIRQ_MASK   (__MASK(HARDIRQ_BITS) << HARDIRQ_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)
-
-/*
- * 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()                                                    \
-do {                                                                   \
-       (preempt_count() += HARDIRQ_OFFSET);                            \
-} while(0)
-       
-
-extern void do_call_softirq(void);
-extern void account_ticks(struct pt_regs *);
-
-#define invoke_softirq() do_call_softirq()
-
-#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
-
-#define irq_exit()                                                     \
-do {                                                                   \
-       preempt_count() -= IRQ_EXIT_OFFSET;                             \
-       if (!in_interrupt() && local_softirq_pending())                 \
-               /* Use the async. stack for softirq */                  \
-               do_call_softirq();                                      \
-       preempt_enable_no_resched();                                    \
-} while (0)
+extern void account_ticks(void);
 
 #endif /* __ASM_HARDIRQ_H */