From: kbuild test robot <lkp@intel.com>
To: Hangbin Liu <liuhangbin@gmail.com>, bpf@vger.kernel.org
Cc: kbuild-all@lists.01.org, netdev@vger.kernel.org,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
"Jiri Benc" <jbenc@redhat.com>,
"Jesper Dangaard Brouer" <brouer@redhat.com>,
"Eelco Chaudron" <echaudro@redhat.com>,
ast@kernel.org, "Daniel Borkmann" <daniel@iogearbox.net>,
"Lorenzo Bianconi" <lorenzo.bianconi@redhat.com>,
"Hangbin Liu" <liuhangbin@gmail.com>
Subject: Re: [PATCHv3 bpf-next 1/2] xdp: add a new helper for dev map multicast support
Date: Tue, 26 May 2020 15:34:13 +0800
Message-ID: <202005261534.T1EY4bBN%lkp@intel.com> (raw)
In-Reply-To: <20200523060537.264096-2-liuhangbin@gmail.com>
[-- Attachment #1: Type: text/plain, Size: 5721 bytes --]
Hi Hangbin,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bpf-next/master]
[also build test WARNING on net-next/master next-20200525]
[cannot apply to bpf/master net/master linus/master v5.7-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Hangbin-Liu/xdp-add-dev-map-multicast-support/20200523-141019
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: c6x-randconfig-r003-20200526 (attached as .config)
compiler: c6x-elf-gcc (GCC) 9.3.0
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=c6x
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
In file included from include/asm-generic/atomic.h:12,
from ./arch/c6x/include/generated/asm/atomic.h:1,
from include/linux/atomic.h:7,
from include/asm-generic/bitops/lock.h:5,
from arch/c6x/include/asm/bitops.h:87,
from include/linux/bitops.h:29,
from include/linux/kernel.h:12,
from include/linux/list.h:9,
from include/linux/module.h:12,
from net/core/filter.c:20:
net/core/filter.c: In function 'bpf_clear_redirect_map':
arch/c6x/include/asm/cmpxchg.h:55:3: warning: value computed is not used [-Wunused-value]
55 | ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
56 | (unsigned long)(o), | ~~~~~~~~~~~~~~~~~~~~~
57 | (unsigned long)(n), | ~~~~~~~~~~~~~~~~~~~~~
58 | sizeof(*(ptr))))
| ~~~~~~~~~~~~~~~~
include/asm-generic/cmpxchg.h:106:28: note: in expansion of macro 'cmpxchg_local'
106 | #define cmpxchg(ptr, o, n) cmpxchg_local((ptr), (o), (n))
| ^~~~~~~~~~~~~
net/core/filter.c:3534:4: note: in expansion of macro 'cmpxchg'
3534 | cmpxchg(&ri->map, map, NULL);
| ^~~~~~~
net/core/filter.c: At top level:
>> net/core/filter.c:3787:20: warning: initialized field overwritten [-Woverride-init]
3787 | .arg1_type = ARG_CONST_MAP_PTR,
| ^~~~~~~~~~~~~~~~~
net/core/filter.c:3787:20: note: (near initialization for 'bpf_xdp_redirect_map_multi_proto.<anonymous>.<anonymous>.arg1_type')
/tmp/cc2n7hPR.s: Assembler messages:
/tmp/cc2n7hPR.s:69347: Warning: ignoring changed section type for .far
/tmp/cc2n7hPR.s:69347: Warning: ignoring changed section attributes for .far
/tmp/cc2n7hPR.s:69454: Warning: ignoring changed section type for .far
/tmp/cc2n7hPR.s:69454: Warning: ignoring changed section attributes for .far
/tmp/cc2n7hPR.s:69503: Warning: ignoring changed section type for .far
/tmp/cc2n7hPR.s:69503: Warning: ignoring changed section attributes for .far
--
In file included from include/asm-generic/atomic.h:12,
from ./arch/c6x/include/generated/asm/atomic.h:1,
from include/linux/atomic.h:7,
from include/asm-generic/bitops/lock.h:5,
from arch/c6x/include/asm/bitops.h:87,
from include/linux/bitops.h:29,
from include/linux/kernel.h:12,
from include/linux/list.h:9,
from include/linux/module.h:12,
from net/core/filter.c:20:
net/core/filter.c: In function 'bpf_clear_redirect_map':
arch/c6x/include/asm/cmpxchg.h:55:3: warning: value computed is not used [-Wunused-value]
55 | ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
56 | (unsigned long)(o), | ~~~~~~~~~~~~~~~~~~~~~
57 | (unsigned long)(n), | ~~~~~~~~~~~~~~~~~~~~~
58 | sizeof(*(ptr))))
| ~~~~~~~~~~~~~~~~
include/asm-generic/cmpxchg.h:106:28: note: in expansion of macro 'cmpxchg_local'
106 | #define cmpxchg(ptr, o, n) cmpxchg_local((ptr), (o), (n))
| ^~~~~~~~~~~~~
net/core/filter.c:3534:4: note: in expansion of macro 'cmpxchg'
3534 | cmpxchg(&ri->map, map, NULL);
| ^~~~~~~
net/core/filter.c: At top level:
>> net/core/filter.c:3787:20: warning: initialized field overwritten [-Woverride-init]
3787 | .arg1_type = ARG_CONST_MAP_PTR,
| ^~~~~~~~~~~~~~~~~
net/core/filter.c:3787:20: note: (near initialization for 'bpf_xdp_redirect_map_multi_proto.<anonymous>.<anonymous>.arg1_type')
/tmp/ccHtg48M.s: Assembler messages:
/tmp/ccHtg48M.s:69347: Warning: ignoring changed section type for .far
/tmp/ccHtg48M.s:69347: Warning: ignoring changed section attributes for .far
/tmp/ccHtg48M.s:69454: Warning: ignoring changed section type for .far
/tmp/ccHtg48M.s:69454: Warning: ignoring changed section attributes for .far
/tmp/ccHtg48M.s:69503: Warning: ignoring changed section type for .far
/tmp/ccHtg48M.s:69503: Warning: ignoring changed section attributes for .far
vim +3787 net/core/filter.c
3781
3782 static const struct bpf_func_proto bpf_xdp_redirect_map_multi_proto = {
3783 .func = bpf_xdp_redirect_map_multi,
3784 .gpl_only = false,
3785 .ret_type = RET_INTEGER,
3786 .arg1_type = ARG_CONST_MAP_PTR,
> 3787 .arg1_type = ARG_CONST_MAP_PTR,
3788 .arg3_type = ARG_ANYTHING,
3789 };
3790
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next prev parent reply index
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 8:54 [RFC PATCH bpf-next 0/2] xdp: add " Hangbin Liu
2020-04-15 8:54 ` [RFC PATCH bpf-next 1/2] " Hangbin Liu
2020-04-20 9:52 ` Hangbin Liu
2020-04-15 8:54 ` [RFC PATCH bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-04-24 8:56 ` [RFC PATCHv2 bpf-next 0/2] xdp: add dev map multicast support Hangbin Liu
2020-04-24 8:56 ` [RFC PATCHv2 bpf-next 1/2] xdp: add a new helper for " Hangbin Liu
2020-04-24 14:19 ` Lorenzo Bianconi
2020-04-28 11:09 ` Eelco Chaudron
2020-05-06 9:35 ` Hangbin Liu
2020-04-24 14:34 ` Toke Høiland-Jørgensen
2020-05-06 9:14 ` Hangbin Liu
2020-05-06 10:00 ` Toke Høiland-Jørgensen
2020-05-08 8:53 ` Hangbin Liu
2020-05-08 14:58 ` Toke Høiland-Jørgensen
2020-05-18 8:45 ` Hangbin Liu
2020-05-19 10:15 ` Jesper Dangaard Brouer
2020-05-20 1:24 ` Hangbin Liu
2020-04-24 8:56 ` [RFC PATCHv2 bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-04-24 14:21 ` Lorenzo Bianconi
2020-05-23 6:05 ` [PATCHv3 bpf-next 0/2] xdp: add dev map multicast support Hangbin Liu
2020-05-23 6:05 ` [PATCHv3 bpf-next 1/2] xdp: add a new helper for " Hangbin Liu
2020-05-26 7:34 ` kbuild test robot [this message]
2020-05-23 6:05 ` [PATCHv3 bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-05-26 14:05 ` [PATCHv4 bpf-next 0/2] xdp: add dev map multicast support Hangbin Liu
2020-05-26 14:05 ` [PATCHv4 bpf-next 1/2] xdp: add a new helper for " Hangbin Liu
2020-05-27 10:29 ` Toke Høiland-Jørgensen
2020-06-10 10:18 ` Jesper Dangaard Brouer
2020-06-12 8:54 ` Hangbin Liu
2020-06-16 8:55 ` Jesper Dangaard Brouer
2020-06-16 10:11 ` Hangbin Liu
2020-06-16 14:38 ` Jesper Dangaard Brouer
2020-06-10 10:21 ` Jesper Dangaard Brouer
2020-06-10 10:29 ` Toke Høiland-Jørgensen
2020-06-16 9:04 ` Jesper Dangaard Brouer
2020-05-26 14:05 ` [PATCHv4 bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-05-27 10:21 ` [PATCHv4 bpf-next 0/2] xdp: add dev map multicast support Toke Høiland-Jørgensen
2020-05-27 10:32 ` Eelco Chaudron
2020-05-27 12:38 ` Hangbin Liu
2020-05-27 15:04 ` Toke Høiland-Jørgensen
2020-06-16 9:09 ` Jesper Dangaard Brouer
2020-06-16 9:47 ` Hangbin Liu
2020-06-03 2:40 ` Hangbin Liu
2020-06-03 11:05 ` Toke Høiland-Jørgensen
2020-06-04 4:09 ` Hangbin Liu
2020-06-04 9:44 ` Toke Høiland-Jørgensen
2020-06-04 12:12 ` Hangbin Liu
2020-06-04 12:37 ` Toke Høiland-Jørgensen
2020-06-04 14:41 ` Hangbin Liu
2020-06-04 16:02 ` Toke Høiland-Jørgensen
2020-06-05 6:26 ` Hangbin Liu
2020-06-08 15:32 ` Toke Høiland-Jørgensen
2020-06-09 3:03 ` Hangbin Liu
2020-06-09 20:31 ` Toke Høiland-Jørgensen
2020-06-10 2:35 ` Hangbin Liu
2020-06-10 10:03 ` Jesper Dangaard Brouer
2020-07-01 4:19 ` [PATCHv5 bpf-next 0/3] xdp: add a new helper for " Hangbin Liu
2020-07-01 4:19 ` [PATCHv5 bpf-next 1/3] " Hangbin Liu
2020-07-01 5:09 ` Andrii Nakryiko
2020-07-01 6:51 ` Hangbin Liu
2020-07-01 18:33 ` kernel test robot
2020-07-01 4:19 ` [PATCHv5 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-07-01 4:19 ` [PATCHv5 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu
2020-07-09 1:30 ` [PATCHv6 bpf-next 0/3] xdp: add a new helper for dev map multicast support Hangbin Liu
2020-07-09 1:30 ` [PATCHv6 bpf-next 1/3] " Hangbin Liu
2020-07-09 16:33 ` David Ahern
2020-07-10 6:55 ` Hangbin Liu
2020-07-10 13:46 ` David Ahern
2020-07-11 0:26 ` Hangbin Liu
2020-07-11 16:09 ` David Ahern
2020-07-09 1:30 ` [PATCHv6 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-07-09 22:40 ` Daniel Borkmann
2020-07-10 6:41 ` Hangbin Liu
2020-07-10 14:32 ` Daniel Borkmann
2020-07-11 0:21 ` Hangbin Liu
2020-07-09 1:30 ` [PATCHv6 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu
2020-07-09 22:37 ` [PATCHv6 bpf-next 0/3] xdp: add a new helper for dev map multicast support Daniel Borkmann
2020-07-10 7:36 ` Hangbin Liu
2020-07-10 15:02 ` Daniel Borkmann
2020-07-10 16:52 ` David Ahern
2020-07-14 6:32 ` [PATCHv7 " Hangbin Liu
2020-07-14 6:32 ` [PATCHv7 bpf-next 1/3] " Hangbin Liu
2020-07-14 21:52 ` Toke Høiland-Jørgensen
2020-07-15 12:25 ` Hangbin Liu
2020-07-14 6:32 ` [PATCHv7 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-07-14 6:32 ` [PATCHv7 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu
2020-07-14 12:29 ` [PATCHv7 bpf-next 0/3] xdp: add a new helper for dev map multicast support Toke Høiland-Jørgensen
2020-07-14 17:12 ` David Ahern
2020-07-14 21:53 ` Toke Høiland-Jørgensen
2020-07-15 12:31 ` Hangbin Liu
2020-07-15 3:45 ` Hangbin Liu
2020-07-15 13:08 ` [PATCHv8 " Hangbin Liu
2020-07-15 13:08 ` [PATCHv8 bpf-next 1/3] " Hangbin Liu
2020-07-15 13:08 ` [PATCHv8 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu
2020-07-15 13:08 ` [PATCHv8 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu
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