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Message-ID: <201711122123.3r3wa7b1%fengguang.wu@intel.com>
Date: Sun, 12 Nov 2017 21:46:14 +0800
From: kbuild test robot <lkp@...el.com>
To: Yafang Shao <laoar.shao@...il.com>
Cc: kbuild-all@...org, davem@...emloft.net, kuznet@....inr.ac.ru,
yoshfuji@...ux-ipv6.org, rostedt@...dmis.org, mingo@...hat.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Yafang Shao <laoar.shao@...il.com>
Subject: Re: [PATCH net-next 1/2] net/tcp: track all TCP/IP state transition
in tcp_set_state
Hi Yafang,
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/Yafang-Shao/net-tcp-track-all-TCP-IP-state-transition-in-tcp_set_state/20171112-203643
config: blackfin-allmodconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
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
make.cross ARCH=blackfin
All error/warnings (new ones prefixed by >>):
In file included from include/net/tcp.h:49:0,
from net/netfilter/ipvs/ip_vs_proto_tcp.c:27:
>> include/trace/events/tcp.h:12:31: error: expected identifier or '(' before '{' token
#define tcp_state_name(state) { state, #state }
^
>> net/netfilter/ipvs/ip_vs_proto_tcp.c:424:21: note: in expansion of macro 'tcp_state_name'
static const char * tcp_state_name(int state)
^~~~~~~~~~~~~~
>> net/netfilter/ipvs/ip_vs_proto_tcp.c:425:1: error: expected identifier or '(' before '{' token
{
^
In file included from include/net/tcp.h:49:0,
from net/netfilter/ipvs/ip_vs_proto_tcp.c:27:
net/netfilter/ipvs/ip_vs_proto_tcp.c: In function 'set_tcp_state':
>> include/trace/events/tcp.h:12:31: error: expected expression before '{' token
#define tcp_state_name(state) { state, #state }
^
>> include/net/ip_vs.h:228:37: note: in expansion of macro 'tcp_state_name'
printk(KERN_DEBUG pr_fmt(msg), ##__VA_ARGS__); \
^~~~~~~~~~~
>> net/netfilter/ipvs/ip_vs_proto_tcp.c:541:3: note: in expansion of macro 'IP_VS_DBG_BUF'
IP_VS_DBG_BUF(8, "%s %s [%c%c%c%c] %s:%d->"
^~~~~~~~~~~~~
net/netfilter/ipvs/ip_vs_proto_tcp.c: At top level:
>> net/netfilter/ipvs/ip_vs_proto_tcp.c:737:17: error: 'tcp_state_name' undeclared here (not in a function)
.state_name = tcp_state_name,
^~~~~~~~~~~~~~
--
In file included from include/net/tcp.h:49:0,
from net/netfilter//ipvs/ip_vs_proto_tcp.c:27:
>> include/trace/events/tcp.h:12:31: error: expected identifier or '(' before '{' token
#define tcp_state_name(state) { state, #state }
^
net/netfilter//ipvs/ip_vs_proto_tcp.c:424:21: note: in expansion of macro 'tcp_state_name'
static const char * tcp_state_name(int state)
^~~~~~~~~~~~~~
net/netfilter//ipvs/ip_vs_proto_tcp.c:425:1: error: expected identifier or '(' before '{' token
{
^
In file included from include/net/tcp.h:49:0,
from net/netfilter//ipvs/ip_vs_proto_tcp.c:27:
net/netfilter//ipvs/ip_vs_proto_tcp.c: In function 'set_tcp_state':
>> include/trace/events/tcp.h:12:31: error: expected expression before '{' token
#define tcp_state_name(state) { state, #state }
^
>> include/net/ip_vs.h:228:37: note: in expansion of macro 'tcp_state_name'
printk(KERN_DEBUG pr_fmt(msg), ##__VA_ARGS__); \
^~~~~~~~~~~
net/netfilter//ipvs/ip_vs_proto_tcp.c:541:3: note: in expansion of macro 'IP_VS_DBG_BUF'
IP_VS_DBG_BUF(8, "%s %s [%c%c%c%c] %s:%d->"
^~~~~~~~~~~~~
net/netfilter//ipvs/ip_vs_proto_tcp.c: At top level:
net/netfilter//ipvs/ip_vs_proto_tcp.c:737:17: error: 'tcp_state_name' undeclared here (not in a function)
.state_name = tcp_state_name,
^~~~~~~~~~~~~~
vim +12 include/trace/events/tcp.h
e086101b Cong Wang 2017-10-13 11
e8fce239 Song Liu 2017-10-23 @12 #define tcp_state_name(state) { state, #state }
e8fce239 Song Liu 2017-10-23 13 #define show_tcp_state_name(val) \
e8fce239 Song Liu 2017-10-23 14 __print_symbolic(val, \
e8fce239 Song Liu 2017-10-23 15 tcp_state_name(TCP_ESTABLISHED), \
e8fce239 Song Liu 2017-10-23 16 tcp_state_name(TCP_SYN_SENT), \
e8fce239 Song Liu 2017-10-23 17 tcp_state_name(TCP_SYN_RECV), \
e8fce239 Song Liu 2017-10-23 18 tcp_state_name(TCP_FIN_WAIT1), \
e8fce239 Song Liu 2017-10-23 19 tcp_state_name(TCP_FIN_WAIT2), \
e8fce239 Song Liu 2017-10-23 20 tcp_state_name(TCP_TIME_WAIT), \
e8fce239 Song Liu 2017-10-23 21 tcp_state_name(TCP_CLOSE), \
e8fce239 Song Liu 2017-10-23 22 tcp_state_name(TCP_CLOSE_WAIT), \
e8fce239 Song Liu 2017-10-23 23 tcp_state_name(TCP_LAST_ACK), \
e8fce239 Song Liu 2017-10-23 24 tcp_state_name(TCP_LISTEN), \
e8fce239 Song Liu 2017-10-23 25 tcp_state_name(TCP_CLOSING), \
e8fce239 Song Liu 2017-10-23 26 tcp_state_name(TCP_NEW_SYN_RECV))
e8fce239 Song Liu 2017-10-23 27
:::::: The code at line 12 was first introduced by commit
:::::: e8fce23946b7e7eadf25ad78d8207c22903dfe27 tcp: add tracepoint trace_tcp_set_state()
:::::: TO: Song Liu <songliubraving@...com>
:::::: CC: David S. Miller <davem@...emloft.net>
---
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