1 // SPDX-License-Identifier: GPL-2.0-only
2 
3 #include <linux/uaccess.h>
4 #include <linux/kernel.h>
5 
copy_from_kernel_nofault_allowed(const void * unsafe_src,size_t size)6 bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size)
7 {
8 	/* highest bit set means kernel space */
9 	return (unsigned long)unsafe_src >> (BITS_PER_LONG - 1);
10 }
11