From: kbuild test robot <lkp@intel.com>
To: Song Liu <songliubraving@fb.com>
Cc: kbuild-all@01.org, alexei.starovoitov@gmail.com, kafai@fb.com,
ast@fb.com, netdev@vger.kernel.org, liu.song.a23@gmail.com,
Song Liu <songliubraving@fb.com>
Subject: Re: [PATCH net-next] tcp: add tracepoint trace_tcp_retransmit_synack()
Date: Thu, 26 Oct 2017 11:13:27 +0800 [thread overview]
Message-ID: <201710261134.MUf5E7cp%fengguang.wu@intel.com> (raw)
In-Reply-To: <20171024235709.2186047-1-songliubraving@fb.com>
Hi Song,
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Song-Liu/tcp-add-tracepoint-trace_tcp_retransmit_synack/20171026-010651
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
vim +281 include/trace/events/tcp.h
241
242 TP_PROTO(const struct sock *sk, const struct request_sock *req),
243
244 TP_ARGS(sk, req),
245
246 TP_STRUCT__entry(
247 __field(const void *, skaddr)
248 __field(const void *, req)
249 __field(__u16, sport)
250 __field(__u16, dport)
251 __array(__u8, saddr, 4)
252 __array(__u8, daddr, 4)
253 __array(__u8, saddr_v6, 16)
254 __array(__u8, daddr_v6, 16)
255 ),
256
257 TP_fast_assign(
258 struct inet_request_sock *ireq = inet_rsk(req);
259 struct in6_addr *pin6;
260 __be32 *p32;
261
262 __entry->skaddr = sk;
263 __entry->req = req;
264
265 __entry->sport = ireq->ir_num;
266 __entry->dport = ntohs(ireq->ir_rmt_port);
267
268 p32 = (__be32 *) __entry->saddr;
269 *p32 = ireq->ir_loc_addr;
270
271 p32 = (__be32 *) __entry->daddr;
272 *p32 = ireq->ir_rmt_addr;
273
> 274 #if IS_ENABLED(CONFIG_IPV6)
275 if (sk->sk_family == AF_INET6) {
276 pin6 = (struct in6_addr *)__entry->saddr_v6;
277 *pin6 = ireq->ir_v6_loc_addr;
278 pin6 = (struct in6_addr *)__entry->daddr_v6;
279 *pin6 = ireq->ir_v6_rmt_addr;
280 } else
> 281 #endif
282 {
283 pin6 = (struct in6_addr *)__entry->saddr_v6;
284 ipv6_addr_set_v4mapped(ireq->ir_loc_addr, pin6);
285 pin6 = (struct in6_addr *)__entry->daddr_v6;
286 ipv6_addr_set_v4mapped(ireq->ir_rmt_addr, pin6);
287 }
288 ),
289
290 TP_printk("sport=%hu dport=%hu saddr=%pI4 daddr=%pI4 saddrv6=%pI6c daddrv6=%pI6c",
291 __entry->sport, __entry->dport,
292 __entry->saddr, __entry->daddr,
293 __entry->saddr_v6, __entry->daddr_v6)
294 );
295
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
next prev parent reply other threads:[~2017-10-26 3:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-24 23:57 [PATCH net-next] tcp: add tracepoint trace_tcp_retransmit_synack() Song Liu
2017-10-25 16:17 ` Song Liu
2017-10-26 3:13 ` kbuild test robot [this message]
2017-10-26 23:50 ` Song Liu
2017-10-27 2:01 ` Cong Wang
2017-10-27 5:06 ` Song Liu
2017-10-27 19:57 ` Alexei Starovoitov
2017-10-27 20:38 ` Alban Crequy
2017-10-27 20:58 ` Alexei Starovoitov
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