Messages in this thread | | | Date | Thu, 8 Jul 2021 07:47:30 +0800 | From | kernel test robot <> | Subject | [jolsa-perf:bpf/get_func_ip 4/7] kernel/trace/bpf_trace.c:969:14: warning: cast from pointer to integer of different size |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/get_func_ip head: c84a007788ef775c5e75c1359c6a4d38664b8136 commit: 77c4369d247b285e790bd8d3d346ba5e0b5bd752 [4/7] bpf: Add bpf_get_func_ip helper for kprobe programs config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=77c4369d247b285e790bd8d3d346ba5e0b5bd752 git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git git fetch --no-tags jolsa-perf bpf/get_func_ip git checkout 77c4369d247b285e790bd8d3d346ba5e0b5bd752 # save the attached .config to linux build tree make W=1 ARCH=i386
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/trace/bpf_trace.c: In function '____bpf_get_func_ip_kprobe': >> kernel/trace/bpf_trace.c:969:14: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 969 | return kp ? (u64) kp->addr : 0; | ^
Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PHY_SPARX5_SERDES Depends on (ARCH_SPARX5 || COMPILE_TEST && OF && HAS_IOMEM Selected by - SPARX5_SWITCH && NETDEVICES && ETHERNET && NET_VENDOR_MICROCHIP && NET_SWITCHDEV && HAS_IOMEM
vim +969 kernel/trace/bpf_trace.c
964 965 BPF_CALL_1(bpf_get_func_ip_kprobe, struct pt_regs *, regs) 966 { 967 struct kprobe *kp = kprobe_running(); 968 > 969 return kp ? (u64) kp->addr : 0; 970 } 971
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