linux-kernel - Re: [PATCH] rpmsg: Allow RPMSG_VIRTIO to be enabled via menuconfig or defconfig

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Message-ID: <201710020849.jAbbfEcZ%fengguang.wu@intel.com>
Date:   Mon, 2 Oct 2017 08:39:22 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Anup Patel <anup@...infault.org>
Cc:     kbuild-all@...org, Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Anup Patel <anup@...infault.org>
Subject: Re: [PATCH] rpmsg: Allow RPMSG_VIRTIO to be enabled via menuconfig
 or defconfig

Hi Anup,

[auto build test ERROR on v4.14-rc2]
[cannot apply to rpmsg/for-next]
[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/Anup-Patel/rpmsg-Allow-RPMSG_VIRTIO-to-be-enabled-via-menuconfig-or-defconfig/20170926-121327
config: um-allyesconfig (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=um 

All errors (new ones prefixed by >>):

   arch/um/drivers/vde.o: In function `vde_open_real':
   (.text+0xfb1): warning: Using 'getgrnam' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/vde.o: In function `vde_open_real':
   (.text+0xdfc): warning: Using 'getpwuid' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/vde.o: In function `vde_open_real':
   (.text+0x1115): warning: Using 'getaddrinfo' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametoaddr':
   (.text+0xe475): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametonetaddr':
   (.text+0xe515): warning: Using 'getnetbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametoproto':
   (.text+0xe735): warning: Using 'getprotobyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   arch/um/drivers/pcap.o: In function `pcap_nametoport':
   (.text+0xe567): warning: Using 'getservbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
   drivers/auxdisplay/img-ascii-lcd.o: In function `img_ascii_lcd_probe':
   drivers/auxdisplay/img-ascii-lcd.c:386: undefined reference to `devm_ioremap_resource'
   drivers/rpmsg/virtio_rpmsg_bus.o: In function `rpmsg_remove':
>> include/linux/dma-mapping.h:528: undefined reference to `bad_dma_ops'
   include/linux/dma-mapping.h:534: undefined reference to `bad_dma_ops'
   drivers/rpmsg/virtio_rpmsg_bus.o: In function `rpmsg_probe':
   include/linux/dma-mapping.h:507: undefined reference to `bad_dma_ops'
   include/linux/dma-mapping.h:534: undefined reference to `bad_dma_ops'
   drivers/virtio/virtio_ring.o: In function `vring_unmap_one':
   include/linux/dma-mapping.h:251: undefined reference to `bad_dma_ops'
   drivers/virtio/virtio_ring.o:include/linux/dma-mapping.h:315: more undefined references to `bad_dma_ops' follow
   collect2: error: ld returned 1 exit status

vim +528 include/linux/dma-mapping.h

e1c7e324 Christoph Hellwig   2016-01-20  521  
e1c7e324 Christoph Hellwig   2016-01-20  522  static inline void dma_free_attrs(struct device *dev, size_t size,
e1c7e324 Christoph Hellwig   2016-01-20  523  				     void *cpu_addr, dma_addr_t dma_handle,
00085f1e Krzysztof Kozlowski 2016-08-03  524  				     unsigned long attrs)
e1c7e324 Christoph Hellwig   2016-01-20  525  {
5299709d Bart Van Assche     2017-01-20  526  	const struct dma_map_ops *ops = get_dma_ops(dev);
e1c7e324 Christoph Hellwig   2016-01-20  527  
e1c7e324 Christoph Hellwig   2016-01-20 @528  	BUG_ON(!ops);
e1c7e324 Christoph Hellwig   2016-01-20  529  	WARN_ON(irqs_disabled());
e1c7e324 Christoph Hellwig   2016-01-20  530  
43fc509c Vladimir Murzin     2017-07-20  531  	if (dma_release_from_dev_coherent(dev, get_order(size), cpu_addr))
e1c7e324 Christoph Hellwig   2016-01-20  532  		return;
e1c7e324 Christoph Hellwig   2016-01-20  533  
d6b7eaeb Zhen Lei            2016-03-09  534  	if (!ops->free || !cpu_addr)
e1c7e324 Christoph Hellwig   2016-01-20  535  		return;
e1c7e324 Christoph Hellwig   2016-01-20  536  
e1c7e324 Christoph Hellwig   2016-01-20  537  	debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
e1c7e324 Christoph Hellwig   2016-01-20  538  	ops->free(dev, size, cpu_addr, dma_handle, attrs);
e1c7e324 Christoph Hellwig   2016-01-20  539  }
e1c7e324 Christoph Hellwig   2016-01-20  540  

:::::: The code at line 528 was first introduced by commit
:::::: e1c7e324539ada3b2b13ca2898bcb4948a9ef9db dma-mapping: always provide the dma_map_ops based implementation

:::::: TO: Christoph Hellwig <hch@....de>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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