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b1a154dbf9
Disintegrate asm/system.h for CRIS. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> cc: linux-cris-kernel@axis.com
25 lines
707 B
C
25 lines
707 B
C
#ifndef __ASM_CRIS_BARRIER_H
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#define __ASM_CRIS_BARRIER_H
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#define nop() __asm__ __volatile__ ("nop");
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#define barrier() __asm__ __volatile__("": : :"memory")
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#define mb() barrier()
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#define rmb() mb()
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#define wmb() mb()
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#define read_barrier_depends() do { } while(0)
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#define set_mb(var, value) do { var = value; mb(); } while (0)
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#ifdef CONFIG_SMP
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#define smp_mb() mb()
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#define smp_rmb() rmb()
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#define smp_wmb() wmb()
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#define smp_read_barrier_depends() read_barrier_depends()
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#else
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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_read_barrier_depends() do { } while(0)
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#endif
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#endif /* __ASM_CRIS_BARRIER_H */
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