mirror of https://gitee.com/openkylin/linux.git
18 lines
373 B
C
18 lines
373 B
C
#ifndef _ASM_X86_QRWLOCK_H
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#define _ASM_X86_QRWLOCK_H
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#include <asm-generic/qrwlock_types.h>
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#ifndef CONFIG_X86_PPRO_FENCE
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#define queue_write_unlock queue_write_unlock
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static inline void queue_write_unlock(struct qrwlock *lock)
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{
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barrier();
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ACCESS_ONCE(*(u8 *)&lock->cnts) = 0;
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}
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#endif
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#include <asm-generic/qrwlock.h>
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#endif /* _ASM_X86_QRWLOCK_H */
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