linux-kernel - [peterz-queue:x86/fineibt 61/62] fgraph.c:undefined reference to `ftrace_stub

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Message-ID: <202210180927.3QTfTwLm-lkp@intel.com>
Date:   Tue, 18 Oct 2022 09:37:09 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [peterz-queue:x86/fineibt 61/62] fgraph.c:undefined reference to
 `ftrace_stub_graph'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/fineibt
head:   ad50fd37eb1b4cca1cd54a4dd7effd6188e07507
commit: 60af5a4d862a0a8774d07fd3d9884784be591863 [61/62] ftrace,kcfi: Separate ftrace_stub() and ftrace_stub_graph()
config: s390-allyesconfig
compiler: s390-linux-gcc (GCC) 12.1.0
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/peterz/queue.git/commit/?id=60af5a4d862a0a8774d07fd3d9884784be591863
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue x86/fineibt
        git checkout 60af5a4d862a0a8774d07fd3d9884784be591863
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   s390-linux-ld: kernel/trace/fgraph.o: in function `unregister_ftrace_graph':
>> fgraph.c:(.text+0x25dc): undefined reference to `ftrace_stub_graph'
>> s390-linux-ld: kernel/trace/fgraph.o:(.data.rel+0x0): undefined reference to `ftrace_stub_graph'

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

View attachment "config" of type "text/plain" (309398 bytes)