Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_CMPXCHG_64_H
#define _ASM_X86_CMPXCHG_64_H
 
static inline void set_64bit(volatile u64 *ptr, u64 val)
{
<------>*ptr = val;
}
 
#define arch_cmpxchg64(ptr, o, n)					\
({									\
<------>BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
<------>arch_cmpxchg((ptr), (o), (n));					\
})
 
#define arch_cmpxchg64_local(ptr, o, n)					\
({									\
<------>BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
<------>arch_cmpxchg_local((ptr), (o), (n));				\
})
 
#define system_has_cmpxchg_double() boot_cpu_has(X86_FEATURE_CX16)
 
#endif /* _ASM_X86_CMPXCHG_64_H */