Messages in this thread | | | Date | Thu, 19 Dec 2019 10:26:19 +0800 | From | kbuild test robot <> | Subject | kernel/kcov.c:85:8: error: implicit declaration of function 'kaslr_offset'; did you mean '__swp_offset'? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 80a0c2e511a97e11d82e0ec11564e2c3fe624b0d commit: dcf78ee660888d8302a0f0888bf746a164d267fa MIPS: allow building with kcov coverage date: 5 weeks ago config: mips-randconfig-a001-20191219 (attached as .config) compiler: mips-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout dcf78ee660888d8302a0f0888bf746a164d267fa # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
kernel/kcov.c: In function 'canonicalize_ip': >> kernel/kcov.c:85:8: error: implicit declaration of function 'kaslr_offset'; did you mean '__swp_offset'? [-Werror=implicit-function-declaration] ip -= kaslr_offset(); ^~~~~~~~~~~~ __swp_offset cc1: some warnings being treated as errors
vim +85 kernel/kcov.c
ded97d2c2b2c5f Victor Chibotaru 2017-11-17 81 903e8ff86753e6 Anders Roxell 2018-11-30 82 static notrace unsigned long canonicalize_ip(unsigned long ip) ded97d2c2b2c5f Victor Chibotaru 2017-11-17 83 { ded97d2c2b2c5f Victor Chibotaru 2017-11-17 84 #ifdef CONFIG_RANDOMIZE_BASE ded97d2c2b2c5f Victor Chibotaru 2017-11-17 @85 ip -= kaslr_offset(); ded97d2c2b2c5f Victor Chibotaru 2017-11-17 86 #endif ded97d2c2b2c5f Victor Chibotaru 2017-11-17 87 return ip; ded97d2c2b2c5f Victor Chibotaru 2017-11-17 88 } ded97d2c2b2c5f Victor Chibotaru 2017-11-17 89
:::::: The code at line 85 was first introduced by commit :::::: ded97d2c2b2c5f1dcced0bc57133f7753b037dfc kcov: support comparison operands collection
:::::: TO: Victor Chibotaru <tchibo@google.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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