Re: [PATCH 5/5] crash: clean up CRASH_DUMP

From: kernel test robot <lkp@intel.com>
To: Baoquan He <bhe@redhat.com>, <linux-kernel@vger.kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, x86@kernel.org,
	Baoquan He <bhe@redhat.com>,
	arnd@arndb.de, oe-kbuild-all@lists.linux.dev,
	kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org,
	kernel test robot <lkp@intel.com>,
	viro@zeniv.linux.org.uk, ignat@cloudflare.com,
	eric_devolder@yahoo.com, akpm@linux-foundation.org,
	linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
	hbathini@linux.ibm.com, ebiederm@xmission.com
Subject: Re: [PATCH 5/5] crash: clean up CRASH_DUMP
Date: Sun, 7 Jan 2024 21:19:52 +0800	[thread overview]
Message-ID: <ZZqk+AnXbqnJuMdF@rli9-mobl> (raw)
In-Reply-To: <20240105103305.557273-6-bhe@redhat.com>

Hi Baoquan,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.7-rc8]
[cannot apply to powerpc/next powerpc/fixes tip/x86/core arm64/for-next/core next-20240105]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Baoquan-He/kexec_core-move-kdump-related-codes-from-crash_core-c-to-kexec_core-c/20240105-223735
base:   linus/master
patch link:    https://lore.kernel.org/r/20240105103305.557273-6-bhe%40redhat.com
patch subject: [PATCH 5/5] crash: clean up CRASH_DUMP
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: x86_64-randconfig-122-20240106 (https://download.01.org/0day-ci/archive/20240107/202401071326.52yn9Ftd-lkp@intel.com/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240107/202401071326.52yn9Ftd-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202401071326.52yn9Ftd-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: crashk_res
   >>> referenced by initramfs.c:638 (init/initramfs.c:638)
   >>>               init/initramfs.o:(kexec_free_initrd) in archive vmlinux.a
   >>> referenced by initramfs.c:638 (init/initramfs.c:638)
   >>>               init/initramfs.o:(kexec_free_initrd) in archive vmlinux.a
   >>> referenced by initramfs.c:0 (init/initramfs.c:0)
   >>>               init/initramfs.o:(kexec_free_initrd) in archive vmlinux.a
   >>> referenced 77 more times
--
>> ld.lld: error: undefined symbol: parse_crashkernel
   >>> referenced by setup.c:479 (arch/x86/kernel/setup.c:479)
   >>>               arch/x86/kernel/setup.o:(arch_reserve_crashkernel) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: crashk_low_res
   >>> referenced by machine_kexec_64.c:539 (arch/x86/kernel/machine_kexec_64.c:539)
   >>>               arch/x86/kernel/machine_kexec_64.o:(kexec_mark_crashkres) in archive vmlinux.a
   >>> referenced by machine_kexec_64.c:539 (arch/x86/kernel/machine_kexec_64.c:539)
   >>>               arch/x86/kernel/machine_kexec_64.o:(kexec_mark_crashkres) in archive vmlinux.a
   >>> referenced by machine_kexec_64.c:539 (arch/x86/kernel/machine_kexec_64.c:539)
   >>>               arch/x86/kernel/machine_kexec_64.o:(kexec_mark_crashkres) in archive vmlinux.a
   >>> referenced 36 more times
--
>> ld.lld: error: undefined symbol: crash_update_vmcoreinfo_safecopy
   >>> referenced by kexec_core.c:522 (kernel/kexec_core.c:522)
   >>>               kernel/kexec_core.o:(kimage_crash_copy_vmcoreinfo) in archive vmlinux.a
   >>> referenced by kexec_core.c:610 (kernel/kexec_core.c:610)
   >>>               kernel/kexec_core.o:(kimage_free) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: crash_save_vmcoreinfo
   >>> referenced by kexec_core.c:1053 (kernel/kexec_core.c:1053)
   >>>               kernel/kexec_core.o:(__crash_kexec) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: paddr_vmcoreinfo_note
   >>> referenced by kexec_core.c:1148 (kernel/kexec_core.c:1148)
   >>>               kernel/kexec_core.o:(crash_prepare_elf64_headers) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: append_elf_note
   >>> referenced by kexec_core.c:1390 (kernel/kexec_core.c:1390)
   >>>               kernel/kexec_core.o:(crash_save_cpu) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: final_note
   >>> referenced by kexec_core.c:1392 (kernel/kexec_core.c:1392)
   >>>               kernel/kexec_core.o:(crash_save_cpu) in archive vmlinux.a

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