Re: [PATCH V2] riscv: ftrace: Fix the logic issue in DYNAMIC_FTRACE selection

[kernel test robot <lkp@intel.com>]

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Hi ChenMiao,

kernel test robot noticed the following build errors:

[auto build test ERROR on fda589c286040d9ba2d72a0eaf0a13945fc48026]

url:    https://github.com/intel-lab-lkp/linux/commits/ChenMiao/riscv-ftrace-Fix-the-logic-issue-in-DYNAMIC_FTRACE-selection/20250706-231907
base:   fda589c286040d9ba2d72a0eaf0a13945fc48026
patch link:    https://lore.kernel.org/r/20250706151830.25091-1-chenmiao.ku%40gmail.com
patch subject: [PATCH V2] riscv: ftrace: Fix the logic issue in DYNAMIC_FTRACE selection
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: riscv-randconfig-r112-20250708 (attached as .config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce: (attached as 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/oe-kbuild-all/202507090650.YGY56SIA-lkp@intel.com/

All errors (new ones prefixed by >>):

>> <instantiation>:1:14: error: operand must be a symbol with %lo/%pcrel_lo/%tprel_lo modifier or an integer in the range [-2048, 2047]
   addi sp, sp, -FREGS_SIZE_ON_STACK
                ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
>> <instantiation>:2:18: error: unexpected token
    sw t0, FREGS_EPC(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:3:17: error: unexpected token
    sw x1, FREGS_RA(sp)
                   ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:7:17: error: unexpected token
    sw x6, FREGS_T1(sp)
                   ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:9:17: error: unexpected token
    sw x7, FREGS_T2(sp)
                   ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:10:18: error: unexpected token
    sw x28, FREGS_T3(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:11:18: error: unexpected token
    sw x29, FREGS_T4(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:12:18: error: unexpected token
    sw x30, FREGS_T5(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:13:18: error: unexpected token
    sw x31, FREGS_T6(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:16:18: error: unexpected token
    sw x10, FREGS_A0(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:17:18: error: unexpected token
    sw x11, FREGS_A1(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:18:18: error: unexpected token
    sw x12, FREGS_A2(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:19:18: error: unexpected token
    sw x13, FREGS_A3(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:20:18: error: unexpected token
    sw x14, FREGS_A4(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:21:18: error: unexpected token
    sw x15, FREGS_A5(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:22:18: error: unexpected token
    sw x16, FREGS_A6(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:23:18: error: unexpected token
    sw x17, FREGS_A7(sp)
                    ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS
    ^
   <instantiation>:25:15: error: operand must be a symbol with %lo/%pcrel_lo/%tprel_lo modifier or an integer in the range [-2048, 2047]
    addi a0, a0, FREGS_SIZE_ON_STACK
                 ^
   arch/riscv/kernel/mcount-dyn.S:185:2: note: while in macro instantiation
    SAVE_ABI_REGS

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for DYNAMIC_FTRACE
   Depends on [n]: FTRACE [=y] && FUNCTION_TRACER [=y] && HAVE_DYNAMIC_FTRACE [=n]
   Selected by [y]:
   - RISCV [=y] && FUNCTION_TRACER [=y]

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

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reproduce:
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # apt-get install sparse
        # sparse version: v0.6.4-66-g0196afe1
        # https://github.com/intel-lab-lkp/linux/commit/554547cdd15477e2cedac28c966a87607e43bb99
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review ChenMiao/riscv-ftrace-Fix-the-logic-issue-in-DYNAMIC_FTRACE-selection/20250706-231907
        git checkout 554547cdd15477e2cedac28c966a87607e43bb99
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=riscv olddefconfig
        ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=riscv SHELL=/bin/bash