| Message ID | b4e1dcbeed867f958e90551263865d4eb046ae25.1483492355.git.mirq-linux@rere.qmqm.pl |
|---|---|
| State | Not Applicable |
| Delegated to: | David Miller |
| Headers | show |
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@perches.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
diff --git a/arch/sparc/net/bpf_jit_comp.c b/arch/sparc/net/bpf_jit_comp.c index a6d9204a6a0b..61cc15dc86f7 100644 --- a/arch/sparc/net/bpf_jit_comp.c +++ b/arch/sparc/net/bpf_jit_comp.c @@ -601,15 +601,17 @@ void bpf_jit_compile(struct bpf_prog *fp) emit_skb_load32(hash, r_A); break; case BPF_ANC | SKF_AD_VLAN_TAG: - case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT: emit_skb_load16(vlan_tci, r_A); - if (code != (BPF_ANC | SKF_AD_VLAN_TAG)) { - emit_alu_K(SRL, 12); - emit_andi(r_A, 1, r_A); - } else { - emit_loadimm(~VLAN_TAG_PRESENT, r_TMP); - emit_and(r_A, r_TMP, r_A); - } +#ifdef VLAN_TAG_PRESENT + emit_loadimm(~VLAN_TAG_PRESENT, r_TMP); + emit_and(r_A, r_TMP, r_A); +#endif + break; + case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT: + __emit_skb_load8(__pkt_vlan_present_offset, r_A); + if (PKT_VLAN_PRESENT_BIT) + emit_alu_K(SRL, PKT_VLAN_PRESENT_BIT); + emit_andi(r_A, 1, r_A); break; case BPF_LD | BPF_W | BPF_LEN: emit_skb_load32(len, r_A);
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> --- arch/sparc/net/bpf_jit_comp.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-)