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Message-ID: <202501150051.z1HfVwib-lkp@intel.com>
Date: Wed, 15 Jan 2025 01:06:26 +0800
From: kernel test robot <lkp@...el.com>
To: Xin Long <lucien.xin@...il.com>, network dev <netdev@...r.kernel.org>
Cc: oe-kbuild-all@...ts.linux.dev, davem@...emloft.net, kuba@...nel.org,
Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>,
Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
ast@...erby.net, Shuang Li <shuali@...hat.com>
Subject: Re: [PATCHv2 net] net: sched: refine software bypass handling in
tc_run
Hi Xin,
kernel test robot noticed the following build errors:
[auto build test ERROR on net/main]
url: https://github.com/intel-lab-lkp/linux/commits/Xin-Long/net-sched-refine-software-bypass-handling-in-tc_run/20250114-025301
base: net/main
patch link: https://lore.kernel.org/r/17d459487b61c5d0276a01a3bc1254c6432b5d12.1736793775.git.lucien.xin%40gmail.com
patch subject: [PATCHv2 net] net: sched: refine software bypass handling in tc_run
config: i386-buildonly-randconfig-004-20250114 (https://download.01.org/0day-ci/archive/20250115/202501150051.z1HfVwib-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250115/202501150051.z1HfVwib-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/202501150051.z1HfVwib-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/static_key.h:1,
from arch/x86/include/asm/nospec-branch.h:6,
from arch/x86/include/asm/irqflags.h:9,
from include/linux/irqflags.h:18,
from arch/x86/include/asm/special_insns.h:10,
from arch/x86/include/asm/processor.h:25,
from arch/x86/include/asm/timex.h:5,
from include/linux/timex.h:67,
from include/linux/time32.h:13,
from include/linux/time.h:60,
from include/linux/stat.h:19,
from include/linux/module.h:13,
from net/sched/cls_api.c:12:
net/sched/cls_api.c: In function 'tcf_proto_destroy':
>> net/sched/cls_api.c:422:44: error: 'tcf_bypass_check_needed_key' undeclared (first use in this function)
422 | static_branch_dec(&tcf_bypass_check_needed_key);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:525:63: note: in definition of macro 'static_branch_dec'
525 | #define static_branch_dec(x) static_key_slow_dec(&(x)->key)
| ^
net/sched/cls_api.c:422:44: note: each undeclared identifier is reported only once for each function it appears in
422 | static_branch_dec(&tcf_bypass_check_needed_key);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:525:63: note: in definition of macro 'static_branch_dec'
525 | #define static_branch_dec(x) static_key_slow_dec(&(x)->key)
| ^
net/sched/cls_api.c: In function 'tc_new_tfilter':
net/sched/cls_api.c:2385:52: error: 'tcf_bypass_check_needed_key' undeclared (first use in this function)
2385 | static_branch_inc(&tcf_bypass_check_needed_key);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/jump_label.h:301:74: note: in definition of macro 'static_key_slow_inc'
301 | #define static_key_slow_inc(key) static_key_fast_inc_not_disabled(key)
| ^~~
net/sched/cls_api.c:2385:33: note: in expansion of macro 'static_branch_inc'
2385 | static_branch_inc(&tcf_bypass_check_needed_key);
| ^~~~~~~~~~~~~~~~~
vim +/tcf_bypass_check_needed_key +422 net/sched/cls_api.c
415
416 static void tcf_proto_destroy(struct tcf_proto *tp, bool rtnl_held,
417 bool sig_destroy, struct netlink_ext_ack *extack)
418 {
419 tp->ops->destroy(tp, rtnl_held, extack);
420 if (tp->usesw && tp->counted) {
421 if (!atomic_dec_return(&tp->chain->block->useswcnt))
> 422 static_branch_dec(&tcf_bypass_check_needed_key);
423 tp->counted = false;
424 }
425 if (sig_destroy)
426 tcf_proto_signal_destroyed(tp->chain, tp);
427 tcf_chain_put(tp->chain);
428 module_put(tp->ops->owner);
429 kfree_rcu(tp, rcu);
430 }
431
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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