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Message-ID: <202203170235.orakWDQu-lkp@intel.com>
Date: Thu, 17 Mar 2022 03:06:38 +0800
From: kernel test robot <lkp@...el.com>
To: Ingo Molnar <mingo@...nel.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mingo-tip:master 387/2335] net/sched/sch_generic.c:410:6: warning:
no previous prototype for '__qdisc_run'
tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master
head: 85293bf3fca6d85608cff1447ce3097583f15fab
commit: 1f7534c4ddd683aee3bb596dcaa839359aa7813d [387/2335] headers/uninline: Uninline single-use function: qdisc_run()
config: i386-randconfig-a001-20220314 (https://download.01.org/0day-ci/archive/20220317/202203170235.orakWDQu-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=1f7534c4ddd683aee3bb596dcaa839359aa7813d
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip master
git checkout 1f7534c4ddd683aee3bb596dcaa839359aa7813d
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash arch/x86/entry/vdso/ arch/x86/pci/ kernel/ lib/ net/sched/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> net/sched/sch_generic.c:410:6: warning: no previous prototype for '__qdisc_run' [-Wmissing-prototypes]
410 | void __qdisc_run(struct Qdisc *q)
| ^~~~~~~~~~~
vim +/__qdisc_run +410 net/sched/sch_generic.c
bbd8a0d3a3b65d Krishna Kumar 2009-08-06 409
37437bb2e1ae8a David S. Miller 2008-07-16 @410 void __qdisc_run(struct Qdisc *q)
48d83325b61043 Herbert Xu 2006-06-19 411 {
3d48b53fb2ae37 Matthias Tafelmeier 2016-12-29 412 int quota = dev_tx_weight;
b8358d70ce1066 Jesper Dangaard Brouer 2014-10-09 413 int packets;
2ba2506ca7ca62 Herbert Xu 2008-03-28 414
b8358d70ce1066 Jesper Dangaard Brouer 2014-10-09 415 while (qdisc_restart(q, &packets)) {
b8358d70ce1066 Jesper Dangaard Brouer 2014-10-09 416 quota -= packets;
b60fa1c5d01a10 Eric Dumazet 2019-10-01 417 if (quota <= 0) {
c4fef01ba4793a Yunsheng Lin 2021-06-22 418 if (q->flags & TCQ_F_NOLOCK)
c4fef01ba4793a Yunsheng Lin 2021-06-22 419 set_bit(__QDISC_STATE_MISSED, &q->state);
c4fef01ba4793a Yunsheng Lin 2021-06-22 420 else
37437bb2e1ae8a David S. Miller 2008-07-16 421 __netif_schedule(q);
c4fef01ba4793a Yunsheng Lin 2021-06-22 422
d90df3ad07a20c Herbert Xu 2007-05-10 423 break;
2ba2506ca7ca62 Herbert Xu 2008-03-28 424 }
2ba2506ca7ca62 Herbert Xu 2008-03-28 425 }
48d83325b61043 Herbert Xu 2006-06-19 426 }
48d83325b61043 Herbert Xu 2006-06-19 427
:::::: The code at line 410 was first introduced by commit
:::::: 37437bb2e1ae8af470dfcd5b4ff454110894ccaf pkt_sched: Schedule qdiscs instead of netdev_queue.
:::::: TO: David S. Miller <davem@...emloft.net>
:::::: CC: David S. Miller <davem@...emloft.net>
---
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