linux-kernel - Re: [PATCH] riscv: fgraph: Fix stack layout to match __arch_ftrace_regs argument of ftrace_return_to

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Message-ID: <202503160820.dvqMpH0g-lkp@intel.com>
Date: Sun, 16 Mar 2025 09:16:41 +0800
From: kernel test robot <lkp@...el.com>
To: Pu Lehui <pulehui@...weicloud.com>, linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	Palmer Dabbelt <palmer@...belt.com>,
	Alexandre Ghiti <alex@...ti.fr>,
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>,
	Naresh Kamboju <naresh.kamboju@...aro.org>,
	Pu Lehui <pulehui@...wei.com>
Subject: Re: [PATCH] riscv: fgraph: Fix stack layout to match
 __arch_ftrace_regs argument of ftrace_return_to_handler

Hi Pu,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.14-rc6 next-20250314]
[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/Pu-Lehui/riscv-fgraph-Fix-stack-layout-to-match-__arch_ftrace_regs-argument-of-ftrace_return_to_handler/20250311-212440
base:   linus/master
patch link:    https://lore.kernel.org/r/20250311132243.2178271-1-pulehui%40huaweicloud.com
patch subject: [PATCH] riscv: fgraph: Fix stack layout to match __arch_ftrace_regs argument of ftrace_return_to_handler
config: riscv-randconfig-001-20250316 (https://download.01.org/0day-ci/archive/20250316/202503160820.dvqMpH0g-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 87916f8c32ebd8e284091db9b70339df57fd1e90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250316/202503160820.dvqMpH0g-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/202503160820.dvqMpH0g-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.S:73:2: note: while in macro instantiation
    SAVE_RET_ABI_STATE
    ^
>> <instantiation>:2:17: error: unexpected token
    sw ra, FREGS_RA(sp)
                   ^
   arch/riscv/kernel/mcount.S:73:2: note: while in macro instantiation
    SAVE_RET_ABI_STATE
    ^
   <instantiation>:3:17: error: unexpected token
    sw s0, FREGS_S0(sp)
                   ^
   arch/riscv/kernel/mcount.S:73:2: note: while in macro instantiation
    SAVE_RET_ABI_STATE
    ^
   <instantiation>:4:17: error: unexpected token
    sw a0, FREGS_A0(sp)
                   ^
   arch/riscv/kernel/mcount.S:73:2: note: while in macro instantiation
    SAVE_RET_ABI_STATE
    ^
   <instantiation>:5:17: error: unexpected token
    sw a1, FREGS_A1(sp)
                   ^
   arch/riscv/kernel/mcount.S:73:2: note: while in macro instantiation
    SAVE_RET_ABI_STATE
    ^
   <instantiation>:6:15: error: operand must be a symbol with %lo/%pcrel_lo/%tprel_lo modifier or an integer in the range [-2048, 2047]
    addi s0, sp, FREGS_SIZE_ON_STACK
                 ^
   arch/riscv/kernel/mcount.S:73:2: note: while in macro instantiation
    SAVE_RET_ABI_STATE
    ^
   <instantiation>:1:16: error: unexpected token
   lw ra, FREGS_RA(sp)
                  ^
   arch/riscv/kernel/mcount.S:77:2: note: while in macro instantiation
    RESTORE_RET_ABI_STATE
    ^
>> <instantiation>:2:17: error: unexpected token
    lw s0, FREGS_S0(sp)
                   ^
   arch/riscv/kernel/mcount.S:77:2: note: while in macro instantiation
    RESTORE_RET_ABI_STATE
    ^
   <instantiation>:3:17: error: unexpected token
    lw a0, FREGS_A0(sp)
                   ^
   arch/riscv/kernel/mcount.S:77:2: note: while in macro instantiation
    RESTORE_RET_ABI_STATE
    ^
   <instantiation>:4:17: error: unexpected token
    lw a1, FREGS_A1(sp)
                   ^
   arch/riscv/kernel/mcount.S:77:2: note: while in macro instantiation
    RESTORE_RET_ABI_STATE
    ^
   <instantiation>:5:15: 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.S:77:2: note: while in macro instantiation
    RESTORE_RET_ABI_STATE
    ^

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