linux-kernel - Re: [PATCH 2/3] virtio, rpmsg: switch to dynamic_hex

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Date:   Sat, 29 Apr 2017 16:46:10 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     kbuild-all@...org, linux-nvdimm@...ts.01.org,
        Ohad Ben-Cohen <ohad@...ery.com>, linux-acpi@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: Re: [PATCH 2/3] virtio, rpmsg: switch to dynamic_hex_dump()

Hi Dan,

[auto build test ERROR on pm/linux-next]
[also build test ERROR on v4.11-rc8 next-20170428]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Dan-Williams/dynamic_hex_dump-cleanup/20170429-135503
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: arm-multi_v7_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/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=arm 

All errors (new ones prefixed by >>):

   drivers//rpmsg/virtio_rpmsg_bus.c: In function 'rpmsg_send_offchannel_raw':
>> drivers//rpmsg/virtio_rpmsg_bus.c:602:2: error: implicit declaration of function 'dynamic_hex_dump' [-Werror=implicit-function-declaration]
     dynamic_hex_dump("rpmsg_virtio TX: ", DUMP_PREFIX_NONE, 16, 1,
     ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/dynamic_hex_dump +602 drivers//rpmsg/virtio_rpmsg_bus.c

bcabbcca Ohad Ben-Cohen 2011-10-20  596  	msg->dst = dst;
bcabbcca Ohad Ben-Cohen 2011-10-20  597  	msg->reserved = 0;
bcabbcca Ohad Ben-Cohen 2011-10-20  598  	memcpy(msg->data, data, len);
bcabbcca Ohad Ben-Cohen 2011-10-20  599  
bcabbcca Ohad Ben-Cohen 2011-10-20  600  	dev_dbg(dev, "TX From 0x%x, To 0x%x, Len %d, Flags %d, Reserved %d\n",
0963679c Anna, Suman    2016-08-12  601  		msg->src, msg->dst, msg->len, msg->flags, msg->reserved);
211e3a93 Anna, Suman    2016-08-12 @602  	dynamic_hex_dump("rpmsg_virtio TX: ", DUMP_PREFIX_NONE, 16, 1,
bcabbcca Ohad Ben-Cohen 2011-10-20  603  			 msg, sizeof(*msg) + msg->len, true);
bcabbcca Ohad Ben-Cohen 2011-10-20  604  
bcabbcca Ohad Ben-Cohen 2011-10-20  605  	sg_init_one(&sg, msg, sizeof(*msg) + len);

:::::: The code at line 602 was first introduced by commit
:::::: 211e3a93e5b5933e64ddfb299eee462ac7c7d500 rpmsg: use dynamic_hex_dump for hex dump traces

:::::: TO: Anna, Suman <s-anna@...com>
:::::: CC: Bjorn Andersson <bjorn.andersson@...aro.org>

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