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Subject: Re: stackdepot.c:undefined reference to `__irqentry_text_start'
To:     kernel test robot <lkp@intel.com>,
        Oliver Glitta <glittao@gmail.com>
Cc:     kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
        Vlastimil Babka <vbabka@suse.cz>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Guenter Roeck <linux@roeck-us.net>
References: <202107112307.R9jiyVzw-lkp@intel.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <f24ab355-1d38-2050-13ea-4fd4f7556304@infradead.org>
Date:   Sun, 11 Jul 2021 08:51:19 -0700
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On 7/11/21 8:13 AM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   de5540965853e514a85d3b775e9049deb85a2ff3
> commit: 788691464c29455346dc613a3b43c2fb9e5757a4 mm/slub: use stackdepot to save stack trace in objects
> date:   3 days ago
> config: arc-randconfig-r004-20210711 (attached as .config)
> compiler: arc-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=788691464c29455346dc613a3b43c2fb9e5757a4
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 788691464c29455346dc613a3b43c2fb9e5757a4
>         # save the attached .config to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    arc-elf-ld: lib/stackdepot.o: in function `filter_irq_stacks':
>>> stackdepot.c:(.text+0x5a): undefined reference to `__irqentry_text_start'
>>> arc-elf-ld: stackdepot.c:(.text+0x5a): undefined reference to `__irqentry_text_start'
>    arc-elf-ld: stackdepot.c:(.text+0x62): undefined reference to `__irqentry_text_end'
>    arc-elf-ld: stackdepot.c:(.text+0x62): undefined reference to `__irqentry_text_end'
>    arc-elf-ld: stackdepot.c:(.text+0x6a): undefined reference to `__softirqentry_text_start'
>    arc-elf-ld: stackdepot.c:(.text+0x6a): undefined reference to `__softirqentry_text_start'
>    arc-elf-ld: stackdepot.c:(.text+0x72): undefined reference to `__softirqentry_text_end'
>    arc-elf-ld: stackdepot.c:(.text+0x72): undefined reference to `__softirqentry_text_end'


Please see https://lore.kernel.org/lkml/20210710145033.2804047-1-linux@roeck-us.net/