4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Al Viro <viro@xxxxxxxxxxxxxxxxxx> commit db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 upstream. Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> [only take the include/linux/uaccess.h portion - gregkh] Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/linux/uaccess.h | 3 +++ 1 file changed, 3 insertions(+) --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -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)
