[oe] lttng-modules failing to build with Linux 3.18

[Otavio Salvador]

Hello,

We found the following error in our autobuilder:

framebuffer fsl-image-machine-test at imx23evk (3/11) |
.../build-framebuffer/tmp/work/imx23evk-poky-linux-gnueabi/lttng-modules/2.5.0-r0/git/lib/ringbuffer/ring_buffer_frontend.c:
In function 'lib_ring_buffer_open_read':
framebuffer fsl-image-machine-test at imx23evk (3/11) |
.../build-framebuffer/tmp/work/imx23evk-poky-linux-gnueabi/lttng-modules/2.5.0-r0/git/lib/ringbuffer/ring_buffer_frontend.c:795:2:
error: implicit declaration of function 'smp_mb__after_atomic_inc'
[-Werror=implicit-function-declaration]
framebuffer fsl-image-machine-test at imx23evk (3/11) |
smp_mb__after_atomic_inc();
framebuffer fsl-image-machine-test at imx23evk (3/11) |   ^
framebuffer fsl-image-machine-test at imx23evk (3/11) |
.../build-framebuffer/tmp/work/imx23evk-poky-linux-gnueabi/lttng-modules/2.5.0-r0/git/lib/ringbuffer/ring_buffer_frontend.c:
In function 'lib_ring_buffer_release_read':
framebuffer fsl-image-machine-test at imx23evk (3/11) |
.../build-framebuffer/tmp/work/imx23evk-poky-linux-gnueabi/lttng-modules/2.5.0-r0/git/lib/ringbuffer/ring_buffer_frontend.c:805:2:
error: implicit declaration of function 'smp_mb__before_atomic_dec'
[-Werror=implicit-function-declaration]
framebuffer fsl-image-machine-test at imx23evk (3/11) |
smp_mb__before_atomic_dec();
framebuffer fsl-image-machine-test at imx23evk (3/11) |   ^
framebuffer fsl-image-machine-test at imx23evk (3/11) | cc1: some
warnings being treated as errors
framebuffer fsl-image-machine-test at imx23evk (3/11) | make[3]: ***
[.../build-framebuffer/tmp/work/imx23evk-poky-linux-gnueabi/lttng-modules/2.5.0-r0/git/lib/ringbuffer/ring_buffer_frontend.o]
Error 1

Regards,

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750