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#ifndef __ASM_LSE_H
#define __ASM_LSE_H
#if defined(CONFIG_AS_LSE) && defined(CONFIG_ARM64_LSE_ATOMICS)
#include <linux/stringify.h>
#include <asm/alternative.h>
#include <asm/cpufeature.h>
#ifdef __ASSEMBLER__
.arch_extension lse
.macro alt_lse, llsc, lse
alternative_insn "\llsc", "\lse", ARM64_HAS_LSE_ATOMICS
.endm
#else /* __ASSEMBLER__ */
__asm__(".arch_extension lse");
/* Move the ll/sc atomics out-of-line */
#define __LL_SC_INLINE
#define __LL_SC_PREFIX(x) __ll_sc_##x
#define __LL_SC_EXPORT(x) EXPORT_SYMBOL(__LL_SC_PREFIX(x))
/* Macro for constructing calls to out-of-line ll/sc atomics */
#define __LL_SC_CALL(op) "bl\t" __stringify(__LL_SC_PREFIX(op)) "\n"
/* In-line patching at runtime */
#define ARM64_LSE_ATOMIC_INSN(llsc, lse) \
ALTERNATIVE(llsc, lse, ARM64_HAS_LSE_ATOMICS)
#endif /* __ASSEMBLER__ */
#else /* CONFIG_AS_LSE && CONFIG_ARM64_LSE_ATOMICS */
#ifdef __ASSEMBLER__
.macro alt_lse, llsc, lse
\llsc
.endm
#else /* __ASSEMBLER__ */
#define __LL_SC_INLINE static inline
#define __LL_SC_PREFIX(x) x
#define __LL_SC_EXPORT(x)
#define ARM64_LSE_ATOMIC_INSN(llsc, lse) llsc
#endif /* __ASSEMBLER__ */
#endif /* CONFIG_AS_LSE && CONFIG_ARM64_LSE_ATOMICS */
#endif /* __ASM_LSE_H */