Messages in this thread | | | Date | Thu, 23 Jun 2022 23:46:34 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:bpf/tramp_11 19/21] kernel/bpf/trampoline.c:81:31: sparse: sparse: non size-preserving pointer to integer cast |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/tramp_11 head: c807110aa605281263da02a78af57847f5c4275e commit: a2660a85cc98b2db2577fd844985884cff0e5cae [19/21] bpf: Add support to store multiple ids in bpf_tramp_id object config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220623/202206232359.8QKWZqGN-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-31-g4880bd19-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=a2660a85cc98b2db2577fd844985884cff0e5cae git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf bpf/tramp_11 git checkout a2660a85cc98b2db2577fd844985884cff0e5cae # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash kernel/bpf/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) kernel/bpf/trampoline.c:16:31: sparse: sparse: symbol 'bpf_extension_verifier_ops' was not declared. Should it be static? kernel/bpf/trampoline.c:18:27: sparse: sparse: symbol 'bpf_extension_prog_ops' was not declared. Should it be static? >> kernel/bpf/trampoline.c:81:31: sparse: sparse: non size-preserving pointer to integer cast
vim +81 kernel/bpf/trampoline.c
77 78 static u64 bpf_tramp_id_key(struct bpf_tramp_id *id) 79 { 80 if (bpf_tramp_id_is_multi(id)) > 81 return (u64) &id; 82 else 83 return ((u64) id->obj_id << 32) | id->id[0]; 84 } 85
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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