linux/arch/hexagon/include/asm/switch_to.h
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   1/*
   2 * Task switching definitions for the Hexagon architecture
   3 *
   4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 and
   8 * only version 2 as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  18 * 02110-1301, USA.
  19 */
  20
  21#ifndef _ASM_SWITCH_TO_H
  22#define _ASM_SWITCH_TO_H
  23
  24struct thread_struct;
  25
  26extern struct task_struct *__switch_to(struct task_struct *,
  27        struct task_struct *,
  28        struct task_struct *);
  29
  30#define switch_to(p, n, r) do {\
  31        r = __switch_to((p), (n), (r));\
  32} while (0)
  33
  34#endif /* _ASM_SWITCH_TO_H */
  35