5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
24 lines
507 B
C
24 lines
507 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __BARRIER_H
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#define __BARRIER_H
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#define mb() __asm__ __volatile__("mb": : :"memory")
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#define rmb() __asm__ __volatile__("mb": : :"memory")
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#define wmb() __asm__ __volatile__("wmb": : :"memory")
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#define __smp_load_acquire(p) \
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({ \
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compiletime_assert_atomic_type(*p); \
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__READ_ONCE(*p); \
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})
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#ifdef CONFIG_SMP
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#define __ASM_SMP_MB "\tmb\n"
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#else
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#define __ASM_SMP_MB
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#endif
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#include <asm-generic/barrier.h>
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#endif /* __BARRIER_H */
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