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#include
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#include
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#include
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#include
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/*
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/*
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 * Force strict CPU ordering.
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 * Force strict CPU ordering.
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 * And yes, this is required on UP too when we're talking
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 * And yes, this might be required on UP too when we're talking
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 * to devices.
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 * to devices.
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 */
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 */
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#else
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#else
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#define dma_rmb()	barrier()
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#define dma_rmb()	barrier()
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#endif
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#endif
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#define dma_wmb()	barrier()
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#define dma_wmb()	barrier()
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#ifdef CONFIG_SMP
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#define smp_mb()	mb()
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#define __smp_mb()	mb()
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#define smp_rmb()	dma_rmb()
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#define __smp_rmb()	dma_rmb()
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#define smp_wmb()	barrier()
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#define __smp_wmb()	barrier()
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#define smp_store_mb(var, value) do { (void)xchg(&var, value); } while (0)
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#else /* !SMP */
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#define smp_mb()	barrier()
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#define smp_rmb()	barrier()
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#define smp_wmb()	barrier()
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#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); barrier(); } while (0)
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#endif /* SMP */
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#define read_barrier_depends()		do { } while (0)
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#define smp_read_barrier_depends()	do { } while (0)
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#define __smp_store_mb(var, value) do { (void)xchg(&var, value); } while (0)
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#if defined(CONFIG_X86_PPRO_FENCE)
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#if defined(CONFIG_X86_PPRO_FENCE)