WSL2-Linux-Kernel/arch/parisc/kernel/sys32.h

37 строки
1.3 KiB
C

/*
* Copyright (C) 2002 Richard Hirst <rhirst at parisc-linux.org>
* Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org>
* Copyright (C) 2003 Randolph Chung <tausq with parisc-linux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _PARISC64_KERNEL_SYS32_H
#define _PARISC64_KERNEL_SYS32_H
#include <linux/compat.h>
/* Call a kernel syscall which will use kernel space instead of user
* space for its copy_to/from_user.
*/
#define KERNEL_SYSCALL(ret, syscall, args...) \
{ \
mm_segment_t old_fs = get_fs(); \
set_fs(KERNEL_DS); \
ret = syscall(args); \
set_fs (old_fs); \
}
#endif