Hi Kay,

Kernel build failed on

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-linus
head:   e2ae715d66bf4becfb85eb84b7150e23cf27df30
commit: e2ae715d66bf4becfb85eb84b7150e23cf27df30 [6/6] kmsg - kmsg_dump() use iterator to receive log buffer content
config: i386-randconfig-usb4 (attached as .config)

All related error/warning messages are:

block/partitions/msdos.o: In function `kmsg_dump_get_line': msdos.c:(.text+0x38b): multiple definition of `kmsg_dump_get_line'
block/partitions/msdos.o: In function `kmsg_dump_get_buffer': msdos.c:(.text+0x392): multiple definition of `kmsg_dump_get_buffer'
block/partitions/msdos.o: In function `kmsg_dump_rewind': msdos.c:(.text+0x399): multiple definition of `kmsg_dump_rewind'
kernel/printk.o: In function `kmsg_dump_rewind': (.text+0x11b): multiple definition of `kmsg_dump_rewind'
kernel/printk.o: In function `kmsg_dump_get_buffer': (.text+0x114): multiple definition of `kmsg_dump_get_buffer'
kernel/printk.o: In function `kmsg_dump_get_line': (.text+0x10d): multiple definition of `kmsg_dump_get_line'
kernel/sys.o: In function `kmsg_dump_rewind': (.text+0x533): multiple definition of `kmsg_dump_rewind'
kernel/sys.o: In function `kmsg_dump_get_buffer': (.text+0x52c): multiple definition of `kmsg_dump_get_buffer'
kernel/sys.o: In function `kmsg_dump_get_line': (.text+0x525): multiple definition of `kmsg_dump_get_line'
arch/x86/kernel/reboot.o: In function `kmsg_dump_rewind': (.text+0xe8): multiple definition of `kmsg_dump_rewind'
arch/x86/kernel/reboot.o: In function `kmsg_dump_get_buffer': (.text+0xe1): multiple definition of `kmsg_dump_get_buffer'
arch/x86/kernel/reboot.o: In function `kmsg_dump_get_line': (.text+0xda): multiple definition of `kmsg_dump_get_line'

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0-DAY kernel build testing backend         Open Source Technology Centre
Fengguang Wu <wfg@linux.intel.com>                     Intel Corporation