linux-kernel - videobuf2-core.c:undefined reference to `__tracepoint_vb2_buf

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Date:	Tue, 13 Oct 2015 13:10:10 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	linux-media@...r.kernel.org, Hans Verkuil <hans.verkuil@...co.com>
Subject: videobuf2-core.c:undefined reference to `__tracepoint_vb2_buf_queue'

Hi Philipp,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   25cb62b76430a91cc6195f902e61c2cb84ade622
commit: 2091f5181c66b3617a977e79843aba10e087be6c [media] videobuf2: add trace events
date:   3 months ago
config: i386-randconfig-x0-10131131 (attached as .config)
reproduce:
        git checkout 2091f5181c66b3617a977e79843aba10e087be6c
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `sur40_vidioc_querycap':
   sur40.c:(.text+0x1ba910): undefined reference to `video_devdata'
   drivers/built-in.o: In function `sur40_poll':
   sur40.c:(.text+0x1bb0b2): undefined reference to `v4l2_get_timestamp'
   drivers/built-in.o: In function `sur40_probe':
   sur40.c:(.text+0x1bb67b): undefined reference to `v4l2_device_register'
   sur40.c:(.text+0x1bb69b): undefined reference to `v4l2_device_unregister'
   sur40.c:(.text+0x1bb86e): undefined reference to `video_device_release_empty'
   sur40.c:(.text+0x1bb896): undefined reference to `__video_register_device'
   sur40.c:(.text+0x1bb920): undefined reference to `video_unregister_device'
   drivers/built-in.o: In function `sur40_disconnect':
   sur40.c:(.text+0x1bb949): undefined reference to `video_unregister_device'
   sur40.c:(.text+0x1bb951): undefined reference to `v4l2_device_unregister'
   drivers/built-in.o: In function `__enqueue_in_driver':
>> videobuf2-core.c:(.text+0x1be4d0): undefined reference to `__tracepoint_vb2_buf_queue'
   drivers/built-in.o: In function `vb2_buffer_done':
>> (.text+0x1bef80): undefined reference to `__tracepoint_vb2_buf_done'
   drivers/built-in.o: In function `vb2_fop_mmap':
   (.text+0x1bf2cf): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_internal_dqbuf':
>> videobuf2-core.c:(.text+0x1bff38): undefined reference to `__tracepoint_vb2_dqbuf'
   drivers/built-in.o: In function `vb2_ioctl_querybuf':
   (.text+0x1c053c): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_create_bufs':
   (.text+0x1c15f9): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_reqbufs':
   (.text+0x1c23c9): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_streamoff':
   (.text+0x1c25b9): undefined reference to `video_devdata'
   drivers/built-in.o: In function `_vb2_fop_release':
   (.text+0x1c26d9): undefined reference to `video_devdata'
   drivers/built-in.o: In function `_vb2_fop_release':
   (.text+0x1c2702): undefined reference to `v4l2_fh_release'
   drivers/built-in.o: In function `vb2_fop_release':
   (.text+0x1c275c): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_streamon':
   (.text+0x1c29d9): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_prepare_buf':
   (.text+0x1c2b39): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_internal_qbuf':
>> videobuf2-core.c:(.text+0x1c2cf8): undefined reference to `__tracepoint_vb2_qbuf'
   drivers/built-in.o: In function `vb2_poll':
   (.text+0x1c32b8): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_poll':
   (.text+0x1c3449): undefined reference to `v4l2_event_pending'
   drivers/built-in.o: In function `vb2_fop_poll':
   (.text+0x1c362b): undefined reference to `video_devdata'
   drivers/built-in.o: In function `__vb2_perform_fileio':
   videobuf2-core.c:(.text+0x1c3e07): undefined reference to `v4l2_get_timestamp'
   drivers/built-in.o: In function `vb2_fop_write':
   (.text+0x1c412d): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_fop_read':
   (.text+0x1c425d): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_thread':
   videobuf2-core.c:(.text+0x1c45e7): undefined reference to `v4l2_get_timestamp'
   drivers/built-in.o: In function `vb2_ioctl_qbuf':
   (.text+0x1c4709): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_dqbuf':
   (.text+0x1c48af): undefined reference to `video_devdata'
   drivers/built-in.o: In function `vb2_ioctl_expbuf':
   (.text+0x1c4bc9): undefined reference to `video_devdata'
   drivers/built-in.o:(.rodata+0x2a7b0): undefined reference to `video_ioctl2'
   drivers/built-in.o:(.rodata+0x2a7bc): undefined reference to `v4l2_fh_open'
   drivers/built-in.o:(__jump_table+0x4dc): undefined reference to `__tracepoint_vb2_buf_queue'
   drivers/built-in.o:(__jump_table+0x4e8): undefined reference to `__tracepoint_vb2_buf_done'
   drivers/built-in.o:(__jump_table+0x4f4): undefined reference to `__tracepoint_vb2_dqbuf'
   drivers/built-in.o:(__jump_table+0x500): undefined reference to `__tracepoint_vb2_qbuf'

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