From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/parisc/kernel/sys32.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 arch/parisc/kernel/sys32.h (limited to 'arch/parisc/kernel/sys32.h') diff --git a/arch/parisc/kernel/sys32.h b/arch/parisc/kernel/sys32.h new file mode 100644 index 00000000..60dd470f --- /dev/null +++ b/arch/parisc/kernel/sys32.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2002 Richard Hirst + * Copyright (C) 2003 James Bottomley + * Copyright (C) 2003 Randolph Chung + * + * 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 + +/* 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 -- cgit v1.3.1