From mboxrd@z Thu Jan  1 00:00:00 1970
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From: Daniel Borkmann <daniel@iogearbox.net>
To: kbuild-all@lists.01.org
Subject: Re: [linux-next:master 5640/13335] arch/riscv/net/bpf_jit_comp64.c:1094:47: error: 'BPF_JIT_REGION_START' undeclared
Date: Tue, 31 Mar 2020 11:47:55 +0200
Message-ID: <b407fff6-2526-5307-3b8c-7d4233477622@iogearbox.net>
In-Reply-To: <202003311714.bO7yTK4V%lkp@intel.com>
List-Id: <oe-kbuild-all.lists.linux.dev>

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On 3/31/20 11:35 AM, kbuild test robot wrote:
> Hi Luke,
> =

> First bad commit (maybe !=3D root cause):
> =

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.g=
it master
> head:   3eb7cccdb3ae41ebb6a2f5f1ccd2821550c61fe1
> commit: ca6cb5447ceca6a87d6b62c9e5d41042c34f7ffa [5640/13335] riscv, bpf:=
 Factor common RISC-V JIT code
> config: riscv-randconfig-a001-20200331 (attached as .config)
> compiler: riscv64-linux-gcc (GCC) 9.3.0
> reproduce:
>          wget https://raw.githubusercontent.com/intel/lkp-tests/master/sb=
in/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          git checkout ca6cb5447ceca6a87d6b62c9e5d41042c34f7ffa
>          # save the attached .config to linux build tree
>          GCC_VERSION=3D9.3.0 make.cross ARCH=3Driscv

Luke or Bjorn, please take a look for fixing, thanks.

> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
> =

> All errors (new ones prefixed by >>):
> =

>     arch/riscv/net/bpf_jit_comp64.c: In function 'bpf_jit_alloc_exec':
>>> arch/riscv/net/bpf_jit_comp64.c:1094:47: error: 'BPF_JIT_REGION_START' =
undeclared (first use in this function)
>      1094 |  return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_=
START,
>           |                                               ^~~~~~~~~~~~~~~=
~~~~~
>     arch/riscv/net/bpf_jit_comp64.c:1094:47: note: each undeclared identi=
fier is reported only once for each function it appears in
>>> arch/riscv/net/bpf_jit_comp64.c:1095:9: error: 'BPF_JIT_REGION_END' und=
eclared (first use in this function)
>      1095 |         BPF_JIT_REGION_END, GFP_KERNEL,
>           |         ^~~~~~~~~~~~~~~~~~
>     arch/riscv/net/bpf_jit_comp64.c:1098:1: warning: control reaches end =
of non-void function [-Wreturn-type]
>      1098 | }
>           | ^
> =

> vim +/BPF_JIT_REGION_START +1094 arch/riscv/net/bpf_jit_comp64.c
> =

> 2353ecc6f91fd1 arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-0=
2-05  1091
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16  1092  void *bpf_jit_alloc_exec(unsigned long size)
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16  1093  {
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16 @1094  	return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_ST=
ART,
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16 @1095  				    BPF_JIT_REGION_END, GFP_KERNEL,
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16  1096  				    PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE,
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16  1097  				    __builtin_return_address(0));
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16  1098  }
> 7f3631e88ee6fb arch/riscv/net/bpf_jit_comp.c Bj=C3=B6rn T=C3=B6pel 2019-1=
2-16  1099
> =

> :::::: The code at line 1094 was first introduced by commit
> :::::: 7f3631e88ee6fb13beac333a0e9e605d2414d17f riscv, bpf: Provide RISC-=
V specific JIT image alloc/free
> =

> :::::: TO: Bj=C3=B6rn T=C3=B6pel <bjorn.topel@gmail.com>
> :::::: CC: Daniel Borkmann <daniel@iogearbox.net>
> =

> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
>=20

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