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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_CSKY_SWITCH_TO_H
#define __ASM_CSKY_SWITCH_TO_H
#include <linux/thread_info.h>
#ifdef CONFIG_CPU_HAS_FPU
#include <abi/fpu.h>
static inline void __switch_to_fpu(struct task_struct *prev,
struct task_struct *next)
{
save_to_user_fp(&prev->thread.user_fp);
restore_from_user_fp(&next->thread.user_fp);
}
#else
static inline void __switch_to_fpu(struct task_struct *prev,
struct task_struct *next)
{}
#endif
/*
* Context switching is now performed out-of-line in switch_to.S
*/
extern struct task_struct *__switch_to(struct task_struct *,
struct task_struct *);
#define switch_to(prev, next, last) \
do { \
struct task_struct *__prev = (prev); \
struct task_struct *__next = (next); \
__switch_to_fpu(__prev, __next); \
((last) = __switch_to((prev), (next))); \
} while (0)
#endif /* __ASM_CSKY_SWITCH_TO_H */