new helper: uaccess_kernel()

commit db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[only take the include/linux/uaccess.h portion - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Al Viro 2017-03-20 21:08:07 -04:00 committed by Greg Kroah-Hartman
parent 7f0052a880
commit 342bd595ed

View file

@ -2,6 +2,9 @@
#define __LINUX_UACCESS_H__
#include <linux/sched.h>
#define uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
#include <asm/uaccess.h>
static __always_inline void pagefault_disabled_inc(void)