breakpoint test from ubuntu_kernel_selftest failed to build on aarch64

stderr:
 breakpoint_test_arm64.c: In function ‘set_watchpoint’:
 breakpoint_test_arm64.c:91:28: error: storage size of ‘dreg_state’ isn’t known
 struct user_hwdebug_state dreg_state;
 ^~~~~~~~~~
 In file included from /usr/include/alloca.h:24:0,
 from /usr/include/stdlib.h:453,
 from ../kselftest.h:13,
 from breakpoint_test_arm64.c:37:
 breakpoint_test_arm64.c:98:32: error: invalid use of undefined type ‘struct user_hwdebug_state’
 iov.iov_len = offsetof(struct user_hwdebug_state, dbg_regs) +
 ^
 breakpoint_test_arm64.c: In function ‘run_test’:
 breakpoint_test_arm64.c:171:25: error: ‘TRAP_HWBKPT’ undeclared (first use in this function)
 if (siginfo.si_code != TRAP_HWBKPT) {
 ^~~~~~~~~~~
 breakpoint_test_arm64.c:171:25: note: each undeclared identifier is reported only once for each function it appears in
 make: *** [breakpoint_test_arm64] Error 1

Full log can be found here: http://pastebin.ubuntu.com/24328194/

ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.10.0-18-generic 4.10.0-18.20
ProcVersionSignature: User Name 4.10.0-18.20-generic 4.10.8
Uname: Linux 4.10.0-18-generic aarch64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 Apr 6 14:48 seq
 crw-rw---- 1 root audio 116, 33 Apr 6 14:48 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.4-0ubuntu3
Architecture: arm64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Date: Thu Apr 6 14:50:50 2017
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:

ProcFB:

ProcKernelCmdLine: console=ttyS0,9600n8r ro
RelatedPackageVersions:
 linux-restricted-modules-4.10.0-18-generic N/A
 linux-backports-modules-4.10.0-18-generic N/A
 linux-firmware 1.164
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)