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From: kbuild test robot <lkp@intel.com>
To: Neal Cardwell <ncardwell@google.com>
Cc: kbuild-all@01.org, David Miller <davem@davemloft.net>,
	netdev@vger.kernel.org, Neal Cardwell <ncardwell@google.com>,
	Van Jacobson <vanj@google.com>, Yuchung Cheng <ycheng@google.com>,
	Nandita Dukkipati <nanditad@google.com>,
	Eric Dumazet <edumazet@google.com>,
	Soheil Hassas Yeganeh <soheil@google.com>
Subject: Re: [PATCH net-next 02/14] tcp: use windowed min filter library for TCP min_rtt estimation
Date: Sat, 17 Sep 2016 03:21:04 +0800	[thread overview]
Message-ID: <201609170308.dReNRIGl%fengguang.wu@intel.com> (raw)
In-Reply-To: <1474051743-13311-3-git-send-email-ncardwell@google.com>

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Hi Neal,

[auto build test ERROR on net-next/master]

url:    https://github.com/0day-ci/linux/commits/Neal-Cardwell/tcp-BBR-congestion-control-algorithm/20160917-025323
config: x86_64-randconfig-x006-201637 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> net/ipv4/tcp_cdg.c:59:8: error: redefinition of 'struct minmax'
    struct minmax {
           ^~~~~~
   In file included from include/linux/tcp.h:22:0,
                    from include/net/tcp.h:24,
                    from net/ipv4/tcp_cdg.c:30:
   include/linux/win_minmax.h:17:8: note: originally defined here
    struct minmax {
           ^~~~~~

vim +59 net/ipv4/tcp_cdg.c

2b0a8c9e Kenneth Klette Jonassen 2015-06-10  43  module_param(window, int, 0444);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  44  MODULE_PARM_DESC(window, "gradient window size (power of two <= 256)");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  45  module_param(backoff_beta, uint, 0644);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  46  MODULE_PARM_DESC(backoff_beta, "backoff beta (0-1024)");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  47  module_param(backoff_factor, uint, 0644);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  48  MODULE_PARM_DESC(backoff_factor, "backoff probability scale factor");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  49  module_param(hystart_detect, uint, 0644);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  50  MODULE_PARM_DESC(hystart_detect, "use Hybrid Slow start "
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  51  		 "(0: disabled, 1: ACK train, 2: delay threshold, 3: both)");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  52  module_param(use_ineff, uint, 0644);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  53  MODULE_PARM_DESC(use_ineff, "use ineffectual backoff detection (threshold)");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  54  module_param(use_shadow, bool, 0644);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  55  MODULE_PARM_DESC(use_shadow, "use shadow window heuristic");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  56  module_param(use_tolerance, bool, 0644);
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  57  MODULE_PARM_DESC(use_tolerance, "use loss tolerance heuristic");
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  58  
2b0a8c9e Kenneth Klette Jonassen 2015-06-10 @59  struct minmax {
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  60  	union {
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  61  		struct {
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  62  			s32 min;
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  63  			s32 max;
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  64  		};
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  65  		u64 v64;
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  66  	};
2b0a8c9e Kenneth Klette Jonassen 2015-06-10  67  };

:::::: The code at line 59 was first introduced by commit
:::::: 2b0a8c9eee81882fc0001ccf6d9af62cdc682f9e tcp: add CDG congestion control

:::::: TO: Kenneth Klette Jonassen <kennetkl@ifi.uio.no>
:::::: CC: David S. Miller <davem@davemloft.net>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  reply	other threads:[~2016-09-16 19:21 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-16 18:48 [PATCH net-next 00/14] tcp: BBR congestion control algorithm Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 01/14] lib/win_minmax: windowed min or max estimator Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 02/14] tcp: use windowed min filter library for TCP min_rtt estimation Neal Cardwell
2016-09-16 19:21   ` kbuild test robot [this message]
2016-09-16 19:25     ` Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 03/14] net_sched: sch_fq: add low_rate_threshold parameter Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 04/14] tcp: count packets marked lost for a TCP connection Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 05/14] tcp: track data delivery rate " Neal Cardwell
2016-09-16 21:38   ` kbuild test robot
2016-09-17 12:09     ` Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 06/14] tcp: track application-limited rate samples Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 07/14] tcp: export data delivery rate Neal Cardwell
2016-09-16 21:38   ` kbuild test robot
2016-09-17  3:56   ` kbuild test robot
2016-09-16 20:03     ` Neal Cardwell
2016-09-16 20:11       ` Eric Dumazet
2016-09-16 20:04     ` Eric Dumazet
2016-09-16 18:48 ` [PATCH net-next 08/14] tcp: allow congestion control module to request TSO skb segment count Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 09/14] tcp: export tcp_tso_autosize() and parameterize minimum number of TSO segments Neal Cardwell
2016-09-16 18:48 ` [PATCH net-next 10/14] tcp: export tcp_mss_to_mtu() for congestion control modules Neal Cardwell
2016-09-16 18:49 ` [PATCH net-next 11/14] tcp: allow congestion control to expand send buffer differently Neal Cardwell
2016-09-16 18:49 ` [PATCH net-next 12/14] tcp: new CC hook to set sending rate with rate_sample in any CA state Neal Cardwell
2016-09-16 18:49 ` [PATCH net-next 13/14] tcp: increase ICSK_CA_PRIV_SIZE from 64 bytes to 88 Neal Cardwell
2016-09-16 18:49 ` [PATCH net-next 14/14] tcp_bbr: add BBR congestion control Neal Cardwell

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