Release 4.14 arch/sh/include/asm/switch_to_64.h

/*
 * Copyright (C) 2000, 2001  Paolo Alberelli
 * Copyright (C) 2003  Paul Mundt
 * Copyright (C) 2004  Richard Curnow
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#ifndef __ASM_SH_SWITCH_TO_64_H

#define __ASM_SH_SWITCH_TO_64_H

struct thread_struct;
struct task_struct;

/*
 *      switch_to() should switch tasks to task nr n, first
 */
struct task_struct *sh64_switch_to(struct task_struct *prev,
				   struct thread_struct *prev_thread,
				   struct task_struct *next,
				   struct thread_struct *next_thread);


#define switch_to(prev,next,last)				\
do {                                                            \
        if (last_task_used_math != next) {                      \
                struct pt_regs *regs = next->thread.uregs;      \
                if (regs) regs->sr |= SR_FD;                    \
        }                                                       \
        last = sh64_switch_to(prev, &prev->thread, next,        \
                              &next->thread);                   \
} while (0)


#endif /* __ASM_SH_SWITCH_TO_64_H */
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Directory: arch/sh/include/asm

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