Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

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

diff --git a/include/asm-sparc/hardirq.h b/include/asm-sparc/hardirq.h
index e882cf4..4f63ed8 100644 (file)
--- a/include/asm-sparc/hardirq.h
+++ b/include/asm-sparc/hardirq.h
@@ -7,7 +7,6 @@
 #ifndef __SPARC_HARDIRQ_H
 #define __SPARC_HARDIRQ_H
 
-#include <linux/config.h>
 #include <linux/threads.h>
 #include <linux/spinlock.h>
 #include <linux/cache.h>
@@ -19,77 +18,6 @@ typedef struct {
 
 #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
- * 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 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)
-
-/*
- * 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
-#include <linux/smp_lock.h>
-# 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() && softirq_pending(smp_processor_id())) \
-                        do_softirq();                                   \
-                preempt_enable_no_resched();                            \
-} while (0)
-
-#ifndef CONFIG_SMP
-# define synchronize_irq(irq)  barrier()
-#else /* SMP */
-extern void synchronize_irq(unsigned int irq);
-#endif /* SMP */
-
 #endif /* __SPARC_HARDIRQ_H */