arch/mips/boot/compressed/decompress.c:undefined reference to `ftrace_likely_update'

[kernel test robot]

Hi Ben,

It's probably a bug fix that unveils the link errors.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   15a2bc4dbb9cfed1c661a657fcb10798150b7598
commit: f39293fd37fff74c531b7a52d0459cc77db85e7f MIPS: Fix exception handler memcpy()
date:   12 days ago
config: mips-randconfig-s031-20200604 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-246-g41f651b4-dirty
        git checkout f39293fd37fff74c531b7a52d0459cc77db85e7f
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=mips CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

mipsel-linux-ld: arch/mips/boot/compressed/decompress.o: in function `lzo1x_decompress_safe':
>> arch/mips/boot/compressed/decompress.c:(.text+0x90): undefined reference to `ftrace_likely_update'
>> mipsel-linux-ld: arch/mips/boot/compressed/decompress.c:(.text+0xb0): undefined reference to `ftrace_likely_update'
mipsel-linux-ld: arch/mips/boot/compressed/decompress.c:(.text+0x140): undefined reference to `ftrace_likely_update'
mipsel-linux-ld: arch/mips/boot/compressed/decompress.c:(.text+0x194): undefined reference to `ftrace_likely_update'
mipsel-linux-ld: arch/mips/boot/compressed/decompress.c:(.text+0x1b4): undefined reference to `ftrace_likely_update'
mipsel-linux-ld: arch/mips/boot/compressed/decompress.o:arch/mips/boot/compressed/decompress.c:(.text+0x1e4): more undefined references to `ftrace_likely_update' follow

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