netdev - Re: [PATCH RESEND net-next 11/15] smc: connection data control (CDC)

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Message-ID: <201608092111.jPgBh6tG%fengguang.wu@intel.com>
Date:	Tue, 9 Aug 2016 22:02:48 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Ursula Braun <ubraun@...ux.vnet.ibm.com>
Cc:	kbuild-all@...org, davem@...emloft.net, netdev@...r.kernel.org,
	linux-s390@...r.kernel.org, schwidefsky@...ibm.com,
	heiko.carstens@...ibm.com, utz.bacher@...ibm.com,
	ubraun@...ux.vnet.ibm.com
Subject: Re: [PATCH RESEND net-next 11/15] smc: connection data control (CDC)

Hi Ursula,

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

url:    https://github.com/0day-ci/linux/commits/Ursula-Braun/net-smc-Shared-Memory-Communications-RDMA/20160809-182526
config: i386-allyesconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   net/smc/smc_cdc.c: In function 'smc_cdc_tx_handler':
>> net/smc/smc_cdc.c:56:64: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
    }
                                                                   ^                  
   In file included from net/smc/smc_cdc.c:16:0:
   In function 'smc_cdc_cursor_to_host',
       inlined from 'smc_cdc_msg_to_host' at net/smc/smc_cdc.h:159:2,
       inlined from 'smc_cdc_msg_recv_action.isra.2' at net/smc/smc_cdc.c:170:2,
       inlined from 'smc_cdc_msg_recv.isra.3' at net/smc/smc_cdc.c:240:2,
       inlined from 'smc_cdc_rx_handler' at net/smc/smc_cdc.c:256:2:
>> net/smc/smc_cdc.h:153:60: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
               struct smc_cdc_msg *peer)
                                                               ^                  
   In function 'smc_cdc_cursor_to_host',
       inlined from 'smc_cdc_msg_to_host' at net/smc/smc_cdc.h:160:2,
       inlined from 'smc_cdc_msg_recv_action.isra.2' at net/smc/smc_cdc.c:170:2,
       inlined from 'smc_cdc_msg_recv.isra.3' at net/smc/smc_cdc.c:240:2,
       inlined from 'smc_cdc_rx_handler' at net/smc/smc_cdc.c:256:2:
>> net/smc/smc_cdc.h:153:60: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
               struct smc_cdc_msg *peer)
                                                               ^                  
   net/smc/smc_cdc.c: In function 'smc_cdc_msg_send':
   net/smc/smc_cdc.c:106:69: error: call to '__xchg_wrong_size' declared with attribute error: Bad argument size for xchg
    int smc_cdc_get_slot_and_msg_send(struct smc_connection *conn)
                                                                        ^                  

vim +/__xchg_wrong_size +56 net/smc/smc_cdc.c

    50			smp_mb__after_atomic();
    51			xchg(&cdcpend->conn->tx_curs_fin.acurs,
    52			     cdcpend->cursor.acurs);
    53		}
    54		/* subsequent patch: wake if send buffer space available */
    55		bh_unlock_sock(&smc->sk);
  > 56	}
    57	
    58	int smc_cdc_get_free_slot(struct smc_link *link,
    59				  struct smc_wr_buf **wr_buf,

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