linux-kernel - [jolsa-perf:bpf/batch 19/29] kernel/bpf/trampoline.c:240:51: error: no member named 'ops' in 'struct bpf_trampoline::(unnamed at include/linux/bpf.h:710:2)'

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Date:   Fri, 19 Nov 2021 13:46:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jolsa-perf:bpf/batch 19/29] kernel/bpf/trampoline.c:240:51: error:
 no member named 'ops' in 'struct bpf_trampoline::(unnamed at
 include/linux/bpf.h:710:2)'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/batch
head:   5f1f613266bf58f8424a93e1f8b99c4ac8fa6c2b
commit: 52a1d4acdf55df41e99ca2cea51865e6821036ce [19/29] bpf: Add support to attach trampolines with multiple IDs
config: arm64-randconfig-r032-20211118 (attached as .config)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=52a1d4acdf55df41e99ca2cea51865e6821036ce
        git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
        git fetch --no-tags jolsa-perf bpf/batch
        git checkout 52a1d4acdf55df41e99ca2cea51865e6821036ce
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> kernel/bpf/trampoline.c:240:51: error: no member named 'ops' in 'struct bpf_trampoline::(unnamed at include/linux/bpf.h:710:2)'
                   return unregister_ftrace_direct_multi(&tr->func.ops, (long) old_addr);
                                                          ~~~~~~~~ ^
   kernel/bpf/trampoline.c:258:47: error: no member named 'ops' in 'struct bpf_trampoline::(unnamed at include/linux/bpf.h:710:2)'
                   return modify_ftrace_direct_multi(&tr->func.ops, (long) new_addr);
                                                      ~~~~~~~~ ^
   kernel/bpf/trampoline.c:274:49: error: no member named 'ops' in 'struct bpf_trampoline::(unnamed at include/linux/bpf.h:710:2)'
                   return register_ftrace_direct_multi(&tr->func.ops, (long) new_addr);
                                                        ~~~~~~~~ ^
   3 errors generated.


vim +240 kernel/bpf/trampoline.c

   233	
   234	static int unregister_fentry(struct bpf_trampoline *tr, void *old_addr)
   235	{
   236		void *ip = tr->id->addr[0];
   237		int ret;
   238	
   239		if (bpf_tramp_id_is_multi(tr->id))
 > 240			return unregister_ftrace_direct_multi(&tr->func.ops, (long) old_addr);
   241	
   242		if (tr->func.ftrace_managed)
   243			ret = unregister_ftrace_direct((long)ip, (long)old_addr);
   244		else
   245			ret = bpf_arch_text_poke(ip, BPF_MOD_CALL, old_addr, NULL);
   246	
   247		if (!ret)
   248			bpf_trampoline_module_put(tr);
   249		return ret;
   250	}
   251	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (51836 bytes)