vserver 1.9.3

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

diff --git a/include/asm-sh/hardirq.h b/include/asm-sh/hardirq.h
index a57b94d..1d7135a 100644 (file)
--- a/include/asm-sh/hardirq.h
+++ b/include/asm-sh/hardirq.h
@@ -35,20 +35,6 @@ typedef struct {
 #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)
-
 /*
  * The hardirq mask has to be large enough to have
  * space for potentially all IRQ sources in the system
@@ -58,29 +44,10 @@ typedef struct {
 # error HARDIRQ_BITS is too low!
 #endif
 
-/*
- * Are we in an interrupt context? Either doing bottom half
- * or hardware interrupt processing?
- */
-#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)
 #define nmi_enter()            (irq_enter())
 #define nmi_exit()             (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
+#define irq_enter()            (preempt_count() += HARDIRQ_OFFSET)
 #define irq_exit()                                                     \
 do {                                                                   \
                preempt_count() -= IRQ_EXIT_OFFSET;                     \
@@ -89,10 +56,4 @@ do {                                                                 \
                preempt_enable_no_resched();                            \
 } while (0)
 
-#ifndef CONFIG_SMP
-# define synchronize_irq(irq)  barrier()
-#else
-extern void synchronize_irq(unsigned int irq);
-#endif /* CONFIG_SMP */
-
 #endif /* __ASM_SH_HARDIRQ_H */