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1da177e4 LT |
1 | /* |
2 | * Copyright (C) 2002 Richard Hirst <rhirst at parisc-linux.org> | |
3 | * Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org> | |
4 | * Copyright (C) 2003 Randolph Chung <tausq with parisc-linux.org> | |
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 as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | #ifndef _PARISC64_KERNEL_SYS32_H | |
21 | #define _PARISC64_KERNEL_SYS32_H | |
22 | ||
23 | #include <linux/compat.h> | |
24 | ||
25 | /* Call a kernel syscall which will use kernel space instead of user | |
26 | * space for its copy_to/from_user. | |
27 | */ | |
28 | #define KERNEL_SYSCALL(ret, syscall, args...) \ | |
29 | { \ | |
30 | mm_segment_t old_fs = get_fs(); \ | |
31 | set_fs(KERNEL_DS); \ | |
32 | ret = syscall(args); \ | |
33 | set_fs (old_fs); \ | |
34 | } | |
35 | ||
1da177e4 | 36 | #endif |