$ cat /var/lib/dkms/lttng-modules/2.8.0/build/make.log 
DKMS make.log for lttng-modules-2.8.0 for kernel 4.10.0-14-generic (x86_64)
Wed Mar 29 08:57:24 UTC 2017
make: Entering directory '/usr/src/linux-headers-4.10.0-14-generic'
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-ring-buffer-client-discard.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-ring-buffer-client-overwrite.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-ring-buffer-metadata-client.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-ring-buffer-client-mmap-discard.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-ring-buffer-client-mmap-overwrite.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-ring-buffer-metadata-mmap-client.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-clock.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-events.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-abi.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-probes.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-pid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-procname.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-prio.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-nice.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-vpid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-tid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-vtid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-ppid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-vppid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-cpu-id.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-interruptible.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-need-reschedule.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-calibrate.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-hostname.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/wrapper/random.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/probes/lttng.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/wrapper/trace-clock.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/wrapper/page_alloc.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-tracker-pid.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-filter.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-filter-interpreter.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-filter-specialize.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-filter-validator.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/probes/lttng-probe-user.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-syscalls.o
  CC [M]  /var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.o
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c: In function ‘lttng_destroy_perf_counter_field’:
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c:102:2: error: implicit declaration of function ‘unregister_cpu_notifier’ [-Werror=implicit-function-declaration]
  unregister_cpu_notifier(&field->u.perf_counter->nb);
  ^
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c: In function ‘lttng_perf_counter_cpu_hp_callback’:
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c:152:7: error: ‘CPU_UP_CANCELED’ undeclared (first use in this function)
  case CPU_UP_CANCELED:
       ^
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c:152:7: note: each undeclared identifier is reported only once for each function it appears in
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c: In function ‘lttng_add_perf_counter_to_ctx’:
/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.c:224:2: error: implicit declaration of function ‘register_cpu_notifier’ [-Werror=implicit-function-declaration]
  register_cpu_notifier(&perf_field->nb);
  ^
cc1: some warnings being treated as errors
scripts/Makefile.build:294: recipe for target '/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.o' failed
make[1]: *** [/var/lib/dkms/lttng-modules/2.8.0/build/lttng-context-perf-counters.o] Error 1
Makefile:1524: recipe for target '_module_/var/lib/dkms/lttng-modules/2.8.0/build' failed
make: *** [_module_/var/lib/dkms/lttng-modules/2.8.0/build] Error 2
make: Leaving directory '/usr/src/linux-headers-4.10.0-14-generic'