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Message-ID: <202409241543.F99I82u3-lkp@intel.com>
Date: Tue, 24 Sep 2024 15:43:30 +0800
From: kernel test robot <lkp@...el.com>
To: yushengjin <yushengjin@...ontech.com>, pablo@...filter.org
Cc: oe-kbuild-all@...ts.linux.dev, kadlec@...filter.org, roopa@...dia.com,
razor@...ckwall.org, davem@...emloft.net, edumazet@...gle.com,
kuba@...nel.org, pabeni@...hat.com, netfilter-devel@...r.kernel.org,
coreteam@...filter.org, bridge@...ts.linux.dev,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
yushengjin <yushengjin@...ontech.com>
Subject: Re: [PATCH v2] net/bridge: Optimizing read-write locks in ebtables.c
Hi yushengjin,
kernel test robot noticed the following build errors:
[auto build test ERROR on netfilter-nf/main]
[also build test ERROR on horms-ipvs/master linus/master v6.11 next-20240924]
[cannot apply to nf-next/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/yushengjin/net-bridge-Optimizing-read-write-locks-in-ebtables-c/20240924-102547
base: https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git main
patch link: https://lore.kernel.org/r/2860814445452DE8%2B20240924022437.119730-1-yushengjin%40uniontech.com
patch subject: [PATCH v2] net/bridge: Optimizing read-write locks in ebtables.c
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20240924/202409241543.F99I82u3-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409241543.F99I82u3-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409241543.F99I82u3-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/asm-generic/percpu.h:7,
from ./arch/sh/include/generated/asm/percpu.h:1,
from include/linux/irqflags.h:19,
from arch/sh/include/asm/cmpxchg-irq.h:5,
from arch/sh/include/asm/cmpxchg.h:20,
from arch/sh/include/asm/atomic.h:19,
from include/linux/atomic.h:7,
from include/asm-generic/bitops/atomic.h:5,
from arch/sh/include/asm/bitops.h:23,
from include/linux/bitops.h:68,
from include/linux/thread_info.h:27,
from include/asm-generic/preempt.h:5,
from ./arch/sh/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from include/linux/spinlock.h:56,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from net/bridge/netfilter/ebtables.c:14:
net/bridge/netfilter/ebtables.c: In function 'get_counters':
>> net/bridge/netfilter/ebtables.c:1006:30: error: 'ebt_recseq' undeclared (first use in this function); did you mean 'xt_recseq'?
1006 | s = &per_cpu(ebt_recseq, cpu);
| ^~~~~~~~~~
include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
219 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
include/linux/percpu-defs.h:263:49: note: in expansion of macro 'VERIFY_PERCPU_PTR'
263 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
| ^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:269:35: note: in expansion of macro 'per_cpu_ptr'
269 | #define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu))
| ^~~~~~~~~~~
net/bridge/netfilter/ebtables.c:1006:22: note: in expansion of macro 'per_cpu'
1006 | s = &per_cpu(ebt_recseq, cpu);
| ^~~~~~~
net/bridge/netfilter/ebtables.c:1006:30: note: each undeclared identifier is reported only once for each function it appears in
1006 | s = &per_cpu(ebt_recseq, cpu);
| ^~~~~~~~~~
include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
219 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
include/linux/percpu-defs.h:263:49: note: in expansion of macro 'VERIFY_PERCPU_PTR'
263 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
| ^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:269:35: note: in expansion of macro 'per_cpu_ptr'
269 | #define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu))
| ^~~~~~~~~~~
net/bridge/netfilter/ebtables.c:1006:22: note: in expansion of macro 'per_cpu'
1006 | s = &per_cpu(ebt_recseq, cpu);
| ^~~~~~~
net/bridge/netfilter/ebtables.c: In function 'do_replace_finish':
net/bridge/netfilter/ebtables.c:1111:42: error: 'ebt_recseq' undeclared (first use in this function); did you mean 'xt_recseq'?
1111 | seqcount_t *s = &per_cpu(ebt_recseq, cpu);
| ^~~~~~~~~~
include/linux/percpu-defs.h:219:54: note: in definition of macro '__verify_pcpu_ptr'
219 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
include/linux/percpu-defs.h:263:49: note: in expansion of macro 'VERIFY_PERCPU_PTR'
263 | #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
| ^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:269:35: note: in expansion of macro 'per_cpu_ptr'
269 | #define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu))
| ^~~~~~~~~~~
net/bridge/netfilter/ebtables.c:1111:34: note: in expansion of macro 'per_cpu'
1111 | seqcount_t *s = &per_cpu(ebt_recseq, cpu);
| ^~~~~~~
vim +1006 net/bridge/netfilter/ebtables.c
987
988
989 static void get_counters(const struct ebt_counter *oldcounters,
990 struct ebt_counter *counters, unsigned int nentries)
991 {
992 int i, cpu;
993 struct ebt_counter *counter_base;
994 seqcount_t *s;
995
996 /* counters of cpu 0 */
997 memcpy(counters, oldcounters,
998 sizeof(struct ebt_counter) * nentries);
999
1000 /* add other counters to those of cpu 0 */
1001 for_each_possible_cpu(cpu) {
1002
1003 if (cpu == 0)
1004 continue;
1005
> 1006 s = &per_cpu(ebt_recseq, cpu);
1007 counter_base = COUNTER_BASE(oldcounters, nentries, cpu);
1008 for (i = 0; i < nentries; i++) {
1009 u64 bcnt, pcnt;
1010 unsigned int start;
1011
1012 do {
1013 start = read_seqcount_begin(s);
1014 bcnt = counter_base[i].bcnt;
1015 pcnt = counter_base[i].pcnt;
1016 } while (read_seqcount_retry(s, start));
1017
1018 ADD_COUNTER(counters[i], bcnt, pcnt);
1019 cond_resched();
1020 }
1021 }
1022 }
1023
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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