[lttng-dev] lttng-modules build failure on linux-rt

[Michael Jeanson]

Hi,

lttng-modules fails to build on the latest linux-rt kernels with a
missing function error:

lttng-modules/lib/ringbuffer/ring_buffer_frontend.c: In function
‘switch_buffer_timer’:
lttng-modules/lib/ringbuffer/ring_buffer_frontend.c:284:3: error:
implicit declaration of function ‘mod_timer_pinned’
[-Werror=implicit-function-declaration]
   mod_timer_pinned(&buf->switch_timer,
   ^

See these commits from the linux-4.6.y-rt-rebase branch of the
linux-rt-devel repository :
d52618c19c7b8d8c5748c5d16708274a0f9fe6ce
6882691cbc937861e9e091db7bd1911362bb2fa7
ddea7fc63e484f55a6940ed3b3c11bce59a3d354