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@xxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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