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SubjectRe: [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@lst.de>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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