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SubjectRe: [kbuild-all] Re: arceb-elf-ld: include/linux/leds.h:193: undefined reference to `devm_led_classdev_register_ext'
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On 10/8/20 3:15 PM, Pavel Machek wrote:
> Hi!
>
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: c85fb28b6f999db9928b841f63f1beeb3074eeca
>> commit: 92a81562e695628086acb92f95090ab09d9b9ec0 leds: lp55xx: Add multicolor framework support to lp55xx
>> date: 3 months ago
>> config: arc-randconfig-r035-20201008 (attached as .config)
>> compiler: arceb-elf-gcc (GCC) 9.3.0
>> reproduce (this is a W=1 build):
>> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>> chmod +x ~/bin/make.cross
>> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=92a81562e695628086acb92f95090ab09d9b9ec0
>> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>> git fetch --no-tags linus master
>> git checkout 92a81562e695628086acb92f95090ab09d9b9ec0
>> # save the attached .config to linux build tree
>> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@intel.com>
> Hi robot. Do you have human around to talk to?
>
>> All errors (new ones prefixed by >>):
>>
>> arceb-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
>> lib/stackdepot.c:331: undefined reference to `__irqentry_text_start'
>> arceb-elf-ld: lib/stackdepot.c:331: undefined reference to `__irqentry_text_start'
>> arceb-elf-ld: lib/stackdepot.o: in function `in_irqentry_text':
>> lib/stackdepot.c:323: undefined reference to `__irqentry_text_end'
>> arceb-elf-ld: lib/stackdepot.c:323: undefined reference to `__irqentry_text_end'
>> arceb-elf-ld: lib/stackdepot.c:324: undefined reference to `__softirqentry_text_start'
>> arceb-elf-ld: lib/stackdepot.c:324: undefined reference to `__softirqentry_text_start'
>> arceb-elf-ld: lib/stackdepot.c:325: undefined reference to `__softirqentry_text_end'
>> arceb-elf-ld: lib/stackdepot.c:325: undefined reference to
> What is going on here? Did you just start testing arc? The commit
> is... really old.
>

Hi Pavel,

Only this error "arceb-elf-ld: include/linux/leds.h:193: undefined
reference to `devm_led_classdev_register_ext'" was found in this commit,
other errors are for reference only, and the test config is a rand
config, so it's discovered by chance.

Best Regards,
Rong Chen

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