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Message-ID: <201701042013.pYV9gNGd%fengguang.wu@intel.com>
Date: Wed, 4 Jan 2017 20:59:08 +0800
From: kbuild test robot <lkp@...el.com>
To: Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc: kbuild-all@...org, netdev@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>, sparclinux@...r.kernel.org
Subject: Re: [PATCH net-next 5/6] net/bpf_jit: SPARC: split VLAN_PRESENT bit
handling from VLAN_TCI
Hi Michał,
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Micha-Miros-aw/Prepare-BPF-for-VLAN_TAG_PRESENT-cleanup/20170104-190258
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=sparc64
All error/warnings (new ones prefixed by >>):
In file included from include/linux/compiler.h:58:0,
from include/uapi/linux/stddef.h:1,
from include/linux/stddef.h:4,
from include/uapi/linux/posix_types.h:4,
from include/uapi/linux/types.h:13,
from include/linux/types.h:5,
from include/linux/list.h:4,
from include/linux/module.h:9,
from include/linux/moduleloader.h:5,
from arch/sparc/net/bpf_jit_comp.c:1:
arch/sparc/net/bpf_jit_comp.c: In function 'bpf_jit_compile':
>> include/linux/compiler-gcc.h:159:2: error: 'struct sk_buff' has no member named '__pkt_vlan_present_offset'; did you mean '__pkt_type_offset'?
__builtin_offsetof(a, b)
^
include/linux/stddef.h:16:32: note: in expansion of macro '__compiler_offsetof'
#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
^~~~~~~~~~~~~~~~~~~
>> arch/sparc/net/bpf_jit_comp.c:228:26: note: in expansion of macro 'offsetof'
do { unsigned int _off = offsetof(STRUCT, FIELD); \
^~~~~~~~
>> arch/sparc/net/bpf_jit_comp.c:270:2: note: in expansion of macro '__emit_load8'
__emit_load8(r_SKB, struct sk_buff, FIELD, DEST)
^~~~~~~~~~~~
>> arch/sparc/net/bpf_jit_comp.c:611:5: note: in expansion of macro '__emit_skb_load8'
__emit_skb_load8(__pkt_vlan_present_offset, r_A);
^~~~~~~~~~~~~~~~
vim +159 include/linux/compiler-gcc.h
cb984d10 Joe Perches 2015-06-25 153 # error Your version of gcc miscompiles the __weak directive
cb984d10 Joe Perches 2015-06-25 154 # endif
cb984d10 Joe Perches 2015-06-25 155 #endif
cb984d10 Joe Perches 2015-06-25 156
cb984d10 Joe Perches 2015-06-25 157 #define __used __attribute__((__used__))
cb984d10 Joe Perches 2015-06-25 158 #define __compiler_offsetof(a, b) \
cb984d10 Joe Perches 2015-06-25 @159 __builtin_offsetof(a, b)
cb984d10 Joe Perches 2015-06-25 160
0d025d27 Josh Poimboeuf 2016-08-30 161 #if GCC_VERSION >= 40100
cb984d10 Joe Perches 2015-06-25 162 # define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
:::::: The code at line 159 was first introduced by commit
:::::: cb984d101b30eb7478d32df56a0023e4603cba7f compiler-gcc: integrate the various compiler-gcc[345].h files
:::::: TO: Joe Perches <joe@...ches.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>
---
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