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Viewing changes to kernel/arch/ia32/include/atomic.h

  • Committer: Jakub Jermar
  • Date: 2011-04-13 14:45:41 UTC
  • mfrom: (527.1.397 main-clone)
  • Revision ID: jakub@jermar.eu-20110413144541-x0j3r1zxqhsljx1o
Merge mainline changes.

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kernel/arch/ia32/include/atomic.h
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#include <typedefs.h>
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#include <arch/barrier.h>
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#include <preemption.h>
 
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#include <trace.h>
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static inline void atomic_inc(atomic_t *val)
 
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NO_TRACE static inline void atomic_inc(atomic_t *val)
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{
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#ifdef CONFIG_SMP
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        asm volatile (
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#endif /* CONFIG_SMP */
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}
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static inline void atomic_dec(atomic_t *val)
 
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NO_TRACE static inline void atomic_dec(atomic_t *val)
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{
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#ifdef CONFIG_SMP
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        asm volatile (
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#endif /* CONFIG_SMP */
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}
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static inline atomic_count_t atomic_postinc(atomic_t *val)
 
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NO_TRACE static inline atomic_count_t atomic_postinc(atomic_t *val)
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{
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        atomic_count_t r = 1;
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        return r;
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}
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static inline atomic_count_t atomic_postdec(atomic_t *val)
 
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NO_TRACE static inline atomic_count_t atomic_postdec(atomic_t *val)
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{
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        atomic_count_t r = -1;
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#define atomic_preinc(val)  (atomic_postinc(val) + 1)
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#define atomic_predec(val)  (atomic_postdec(val) - 1)
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static inline atomic_count_t test_and_set(atomic_t *val)
 
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NO_TRACE static inline atomic_count_t test_and_set(atomic_t *val)
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{
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        atomic_count_t v = 1;
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}
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/** ia32 specific fast spinlock */
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static inline void atomic_lock_arch(atomic_t *val)
 
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NO_TRACE static inline void atomic_lock_arch(atomic_t *val)
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{
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        atomic_count_t tmp;
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