linux-kernel - ld.lld: error: undefined symbol: __tracepoint_page_fault

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Message-ID: <202509260455.6Z9Vkty4-lkp@intel.com>
Date: Fri, 26 Sep 2025 05:01:23 +0800
From: kernel test robot <lkp@...el.com>
To: Nam Cao <namcao@...utronix.de>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>,
	Gabriele Monaco <gmonaco@...hat.com>
Subject: ld.lld: error: undefined symbol: __tracepoint_page_fault_kernel

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   4ff71af020ae59ae2d83b174646fc2ad9fcd4dc4
commit: 9162620eb604d7461da5b02ec379bb50c3c3b604 rv: Add rtapp_pagefault monitor
date:   3 months ago
config: riscv-randconfig-002-20250926 (https://download.01.org/0day-ci/archive/20250926/202509260455.6Z9Vkty4-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project cafc064fc7a96b3979a023ddae1da2b499d6c954)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250926/202509260455.6Z9Vkty4-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/202509260455.6Z9Vkty4-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __tracepoint_page_fault_kernel
   >>> referenced by ltl_monitor.h:0 (include/rv/ltl_monitor.h:0)
   >>>               kernel/trace/rv/monitors/pagefault/pagefault.o:(enable_pagefault) in archive vmlinux.a
   >>> referenced by ltl_monitor.h:79 (include/rv/ltl_monitor.h:79)
   >>>               kernel/trace/rv/monitors/pagefault/pagefault.o:(disable_pagefault) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: __tracepoint_page_fault_user
   >>> referenced by ltl_monitor.h:0 (include/rv/ltl_monitor.h:0)
   >>>               kernel/trace/rv/monitors/pagefault/pagefault.o:(enable_pagefault) in archive vmlinux.a
   >>> referenced by ltl_monitor.h:79 (include/rv/ltl_monitor.h:79)
   >>>               kernel/trace/rv/monitors/pagefault/pagefault.o:(disable_pagefault) in archive vmlinux.a

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