Messages in this thread | | | Date | Thu, 17 Mar 2022 04:39:26 +0800 | From | kernel test robot <> | Subject | [mingo-tip:master 413/2335] kernel/bpf/core.c:62:6: warning: no previous prototype for 'bpf_jit_dump' |
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tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master head: 85293bf3fca6d85608cff1447ce3097583f15fab commit: 13afaa4b6ebba9ee9365fa7688a8d7f3fff97749 [413/2335] headers/uninline: Uninline multi-use function: bpf_jit_dump() config: i386-randconfig-a001-20220314 (https://download.01.org/0day-ci/archive/20220317/202203170410.uapuR37c-lkp@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=13afaa4b6ebba9ee9365fa7688a8d7f3fff97749 git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git git fetch --no-tags mingo-tip master git checkout 13afaa4b6ebba9ee9365fa7688a8d7f3fff97749 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/entry/vdso/ arch/x86/pci/ kernel/bpf/ kernel/trace/ lib/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> kernel/bpf/core.c:62:6: warning: no previous prototype for 'bpf_jit_dump' [-Wmissing-prototypes] 62 | void bpf_jit_dump(unsigned int flen, unsigned int proglen, u32 pass, void *image) | ^~~~~~~~~~~~ kernel/bpf/core.c:1378:12: warning: no previous prototype for 'bpf_probe_read_kernel' [-Wmissing-prototypes] 1378 | u64 __weak bpf_probe_read_kernel(void *dst, u32 size, const void *unsafe_ptr) | ^~~~~~~~~~~~~~~~~~~~~
vim +/bpf_jit_dump +62 kernel/bpf/core.c
61 > 62 void bpf_jit_dump(unsigned int flen, unsigned int proglen, u32 pass, void *image) 63 { 64 pr_err("flen=%u proglen=%u pass=%u image=%pK from=%s pid=%d\n", flen, 65 proglen, pass, image, current->comm, task_pid_nr(current)); 66 67 if (image) 68 print_hex_dump(KERN_ERR, "JIT code: ", DUMP_PREFIX_OFFSET, 69 16, 1, image, proglen, false); 70 } 71
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