Messages in this thread | | | Date | Fri, 18 Jun 2021 14:11:30 +0800 | From | kernel test robot <> | Subject | arch/x86/net/bpf_jit_comp.c:1647:5: warning: no previous prototype for 'arch_prepare_bpf_dispatcher' |
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Hi Björn,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fd0aa1a4567d0f09e1bfe367a950b004f99ac290 commit: 75ccbef6369e94ecac696a152a998a978d41376b bpf: Introduce BPF dispatcher date: 1 year, 6 months ago config: x86_64-randconfig-r023-20210618 (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/torvalds/linux.git/commit/?id=75ccbef6369e94ecac696a152a998a978d41376b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 75ccbef6369e94ecac696a152a998a978d41376b # save the attached .config to linux build tree make W=1 ARCH=x86_64
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 >>):
>> arch/x86/net/bpf_jit_comp.c:1647:5: warning: no previous prototype for 'arch_prepare_bpf_dispatcher' [-Wmissing-prototypes] 1647 | int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/arch_prepare_bpf_dispatcher +1647 arch/x86/net/bpf_jit_comp.c
1646 > 1647 int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs) 1648 { 1649 u8 *prog = image; 1650 1651 sort(funcs, num_funcs, sizeof(funcs[0]), cmp_ips, NULL); 1652 return emit_bpf_dispatcher(&prog, 0, num_funcs - 1, funcs); 1653 } 1654
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