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Message-ID: <201904091737.piuPg5CE%lkp@intel.com>
Date: Tue, 9 Apr 2019 17:51:07 +0800
From: kbuild test robot <lkp@...el.com>
To: Paolo Abeni <pabeni@...hat.com>
Cc: kbuild-all@...org, netdev@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Jamal Hadi Salim <jhs@...atatu.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Jiri Pirko <jiri@...nulli.us>,
Eric Dumazet <edumazet@...gle.com>,
Ivan Vecera <ivecera@...hat.com>
Subject: Re: [PATCH net-next 5/5] Revert: "net: sched: put back q.qlen into a
single location"
Hi Paolo,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Paolo-Abeni/net-caif-avoid-using-qdisc_qlen/20190409-164620
config: i386-randconfig-x077-201914 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
In file included from include/linux/filter.h:24:0,
from include/net/sock.h:64,
from include/net/cls_cgroup.h:19,
from net/socket.c:99:
include/net/sch_generic.h: In function 'qdisc_all_tx_empty':
include/net/sch_generic.h:748:8: error: implicit declaration of function 'qdisc_is_empty'; did you mean 'ida_is_empty'? [-Werror=implicit-function-declaration]
if (!qdisc_is_empty(q)) {
^~~~~~~~~~~~~~
ida_is_empty
include/net/sch_generic.h: At top level:
include/net/sch_generic.h:823:20: error: conflicting types for 'qdisc_is_empty'
static inline bool qdisc_is_empty(const struct Qdisc *qdisc)
^~~~~~~~~~~~~~
include/net/sch_generic.h:748:8: note: previous implicit declaration of 'qdisc_is_empty' was here
if (!qdisc_is_empty(q)) {
^~~~~~~~~~~~~~
include/net/sch_generic.h: In function 'qdisc_dequeue_peeked':
>> include/net/sch_generic.h:1149:4: error: implicit declaration of function 'qdisc_qstats_atomic_qlen_dec'; did you mean 'qdisc_qstats_cpu_qlen_dec'? [-Werror=implicit-function-declaration]
qdisc_qstats_atomic_qlen_dec(sch);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
qdisc_qstats_cpu_qlen_dec
cc1: some warnings being treated as errors
--
In file included from include/linux/filter.h:24:0,
from include/net/sock.h:64,
from include/net/inet_sock.h:26,
from include/net/inet_connection_sock.h:24,
from include/linux/dccp.h:13,
from net//dccp/proto.c:12:
include/net/sch_generic.h: In function 'qdisc_all_tx_empty':
include/net/sch_generic.h:748:8: error: implicit declaration of function 'qdisc_is_empty'; did you mean 'ida_is_empty'? [-Werror=implicit-function-declaration]
if (!qdisc_is_empty(q)) {
^~~~~~~~~~~~~~
ida_is_empty
include/net/sch_generic.h: At top level:
include/net/sch_generic.h:823:20: error: conflicting types for 'qdisc_is_empty'
static inline bool qdisc_is_empty(const struct Qdisc *qdisc)
^~~~~~~~~~~~~~
include/net/sch_generic.h:748:8: note: previous implicit declaration of 'qdisc_is_empty' was here
if (!qdisc_is_empty(q)) {
^~~~~~~~~~~~~~
include/net/sch_generic.h: In function 'qdisc_dequeue_peeked':
>> include/net/sch_generic.h:1149:4: error: implicit declaration of function 'qdisc_qstats_atomic_qlen_dec'; did you mean 'qdisc_qstats_cpu_qlen_dec'? [-Werror=implicit-function-declaration]
qdisc_qstats_atomic_qlen_dec(sch);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
qdisc_qstats_cpu_qlen_dec
In file included from net//dccp/trace.h:84:0,
from net//dccp/proto.c:42:
include/trace/define_trace.h: At top level:
include/trace/define_trace.h:89:42: fatal error: ./trace.h: No such file or directory
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
^
cc1: some warnings being treated as errors
compilation terminated.
vim +1149 include/net/sch_generic.h
fa70e3d2 Paolo Abeni 2019-04-08 1139
77be155c Jarek Poplawski 2008-10-31 1140 /* use instead of qdisc->dequeue() for all qdiscs queried with ->peek() */
77be155c Jarek Poplawski 2008-10-31 1141 static inline struct sk_buff *qdisc_dequeue_peeked(struct Qdisc *sch)
77be155c Jarek Poplawski 2008-10-31 1142 {
a53851e2 John Fastabend 2017-12-07 1143 struct sk_buff *skb = skb_peek(&sch->gso_skb);
77be155c Jarek Poplawski 2008-10-31 1144
61c9eaf9 Jarek Poplawski 2008-11-05 1145 if (skb) {
a53851e2 John Fastabend 2017-12-07 1146 skb = __skb_dequeue(&sch->gso_skb);
9cda4ff7 Paolo Abeni 2019-04-08 1147 if (qdisc_is_percpu_stats(sch)) {
9cda4ff7 Paolo Abeni 2019-04-08 1148 qdisc_qstats_cpu_backlog_dec(sch, skb);
9cda4ff7 Paolo Abeni 2019-04-08 @1149 qdisc_qstats_atomic_qlen_dec(sch);
9cda4ff7 Paolo Abeni 2019-04-08 1150 } else {
a27758ff WANG Cong 2016-06-03 1151 qdisc_qstats_backlog_dec(sch, skb);
61c9eaf9 Jarek Poplawski 2008-11-05 1152 sch->q.qlen--;
9cda4ff7 Paolo Abeni 2019-04-08 1153 }
61c9eaf9 Jarek Poplawski 2008-11-05 1154 } else {
77be155c Jarek Poplawski 2008-10-31 1155 skb = sch->dequeue(sch);
61c9eaf9 Jarek Poplawski 2008-11-05 1156 }
77be155c Jarek Poplawski 2008-10-31 1157
77be155c Jarek Poplawski 2008-10-31 1158 return skb;
77be155c Jarek Poplawski 2008-10-31 1159 }
77be155c Jarek Poplawski 2008-10-31 1160
:::::: The code at line 1149 was first introduced by commit
:::::: 9cda4ff7ed51bb469cb19e03c9fe4972408edb63 net: sched: always do stats accounting according to TCQ_F_CPUSTATS
:::::: TO: Paolo Abeni <pabeni@...hat.com>
:::::: CC: 0day robot <lkp@...el.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
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