linux-kernel - Re: [PATCH] riscv: export kaslr offset and satp in VMCOREINFO ELF notes

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Message-ID: <202601272006.NUdRcAIi-lkp@intel.com>
Date: Tue, 27 Jan 2026 20:13:41 +0100
From: kernel test robot <lkp@...el.com>
To: Austin Kim <austindh.kim@...il.com>, Paul Walmsley <pjw@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Alexandre Ghiti <alex@...ti.fr>, Albert Ou <aou@...s.berkeley.edu>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, austindh.kim@...il.com
Subject: Re: [PATCH] riscv: export kaslr offset and satp in VMCOREINFO ELF
 notes

Hi Austin,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.16-rc1 next-20260127]
[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/Austin-Kim/riscv-export-kaslr-offset-and-satp-in-VMCOREINFO-ELF-notes/20260127-173528
base:   linus/master
patch link:    https://lore.kernel.org/r/aXiF55y5D49gcpUg%40adminpc-PowerEdge-R7525
patch subject: [PATCH] riscv: export kaslr offset and satp in VMCOREINFO ELF notes
config: riscv-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260127/202601272006.NUdRcAIi-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260127/202601272006.NUdRcAIi-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601272006.NUdRcAIi-lkp@intel.com/

All errors (new ones prefixed by >>):

   riscv64-linux-ld: arch/riscv/kernel/vmcore_info.o: in function `arch_crash_save_vmcoreinfo':
>> arch/riscv/kernel/vmcore_info.c:23:(.text+0x240): undefined reference to `kaslr_offset'


vim +23 arch/riscv/kernel/vmcore_info.c

cfe94d456775a4 arch/riscv/kernel/vmcore_info.c Austin Kim      2026-01-27  10  
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  11  void arch_crash_save_vmcoreinfo(void)
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  12  {
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  13  	VMCOREINFO_NUMBER(phys_ram_base);
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  14  
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  15  	vmcoreinfo_append_str("NUMBER(PAGE_OFFSET)=0x%lx\n", PAGE_OFFSET);
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  16  	vmcoreinfo_append_str("NUMBER(VMALLOC_END)=0x%lx\n", VMALLOC_END);
c41bd2514184d7 arch/riscv/kernel/crash_core.c  Ignat Korchagin 2023-11-29  17  #ifdef CONFIG_MMU
c41bd2514184d7 arch/riscv/kernel/crash_core.c  Ignat Korchagin 2023-11-29  18  	VMCOREINFO_NUMBER(VA_BITS);
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  19  	vmcoreinfo_append_str("NUMBER(VMEMMAP_START)=0x%lx\n", VMEMMAP_START);
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  20  	vmcoreinfo_append_str("NUMBER(VMEMMAP_END)=0x%lx\n", VMEMMAP_END);
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  21  #ifdef CONFIG_64BIT
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26  22  	vmcoreinfo_append_str("NUMBER(MODULES_VADDR)=0x%lx\n", MODULES_VADDR);
649d6b1019a2f2 arch/riscv/kernel/crash_core.c  Xianting Tian   2022-10-26 @23  	vmcoreinfo_append_str("NUMBER(MODULES_END)=0x%lx\n", MODULES_END);

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki