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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_LSE_H
#define __ASM_LSE_H
#include <asm/atomic_ll_sc.h>
#ifdef CONFIG_ARM64_LSE_ATOMICS
#define __LSE_PREAMBLE ".arch_extension lse\n"
#include <linux/compiler_types.h>
#include <linux/export.h>
#include <linux/stringify.h>
#include <asm/alternative.h>
#include <asm/alternative-macros.h>
#include <asm/atomic_lse.h>
#include <asm/cpucaps.h>
#define __lse_ll_sc_body(op, ...) \
({ \
alternative_has_cap_likely(ARM64_HAS_LSE_ATOMICS) ? \
__lse_##op(__VA_ARGS__) : \
__ll_sc_##op(__VA_ARGS__); \
})
/* In-line patching at runtime */
#define ARM64_LSE_ATOMIC_INSN(llsc, lse) \
ALTERNATIVE(llsc, __LSE_PREAMBLE lse, ARM64_HAS_LSE_ATOMICS)
#else /* CONFIG_ARM64_LSE_ATOMICS */
#define __lse_ll_sc_body(op, ...) __ll_sc_##op(__VA_ARGS__)
#define ARM64_LSE_ATOMIC_INSN(llsc, lse) llsc
#endif /* CONFIG_ARM64_LSE_ATOMICS */
#endif /* __ASM_LSE_H */