[avpatel:riscv_acpi_b2_v1 66/91] arch/riscv/kvm/vcpu_switch.S:259:81: error: invalid reassignment of non-absolute variable '.L__sym_size___kvm_riscv_switch_to'

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

Hi Anup,

First bad commit (maybe != root cause):

tree:   https://github.com/avpatel/linux.git riscv_acpi_b2_v1
head:   b09364548457cec51680b8f8b1a5e917b5e74cf5
commit: c25a9f5b7daa98ba6276a4ad01b2f70f86dfb99c [66/91] RISC-V: KVM: Use SBI sync SRET call when available
config: riscv-randconfig-r042-20230731 (https://download.01.org/0day-ci/archive/20230805/202308050707.uCLdENbS-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230805/202308050707.uCLdENbS-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308050707.uCLdENbS-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/riscv/kvm/vcpu_switch.S:259:81: error: invalid reassignment of non-absolute variable '.L__sym_size___kvm_riscv_switch_to'
   .type __kvm_riscv_switch_to STT_FUNC ; .set .L__sym_size___kvm_riscv_switch_to, .-__kvm_riscv_switch_to ; .size __kvm_riscv_switch_to, .L__sym_size___kvm_riscv_switch_to
                                                                                   ^


vim +259 arch/riscv/kvm/vcpu_switch.S

c25a9f5b7daa98 Anup Patel 2022-10-09  230  
c25a9f5b7daa98 Anup Patel 2022-10-09  231  	/*
c25a9f5b7daa98 Anup Patel 2022-10-09  232  	 * Parameters:
c25a9f5b7daa98 Anup Patel 2022-10-09  233  	 * A0 <= Pointer to struct kvm_vcpu_arch
c25a9f5b7daa98 Anup Patel 2022-10-09  234  	 * A1 <= SBI extension ID
c25a9f5b7daa98 Anup Patel 2022-10-09  235  	 * A2 <= SBI function ID
c25a9f5b7daa98 Anup Patel 2022-10-09  236  	 * A3 <= Flags for SBI sync SRET call
c25a9f5b7daa98 Anup Patel 2022-10-09  237  	 */
c25a9f5b7daa98 Anup Patel 2022-10-09  238  ENTRY(__kvm_riscv_nacl_switch_to)
c25a9f5b7daa98 Anup Patel 2022-10-09  239  	SAVE_HOST_GPRS
c25a9f5b7daa98 Anup Patel 2022-10-09  240  
c25a9f5b7daa98 Anup Patel 2022-10-09  241  	SAVE_HOST_AND_RESTORE_GUEST_CSRS __kvm_riscv_nacl_switch_to_return
c25a9f5b7daa98 Anup Patel 2022-10-09  242  
c25a9f5b7daa98 Anup Patel 2022-10-09  243  	/* Resume Guest using SBI nested acceleration */
c25a9f5b7daa98 Anup Patel 2022-10-09  244  	add	a6, a2, zero
c25a9f5b7daa98 Anup Patel 2022-10-09  245  	add	a7, a1, zero
c25a9f5b7daa98 Anup Patel 2022-10-09  246  	ecall
c25a9f5b7daa98 Anup Patel 2022-10-09  247  
c25a9f5b7daa98 Anup Patel 2022-10-09  248  	/* Back to Host */
c25a9f5b7daa98 Anup Patel 2022-10-09  249  	.align 2
c25a9f5b7daa98 Anup Patel 2022-10-09  250  __kvm_riscv_nacl_switch_to_return:
c25a9f5b7daa98 Anup Patel 2022-10-09  251  	SAVE_GUEST_GPRS
c25a9f5b7daa98 Anup Patel 2022-10-09  252  
c25a9f5b7daa98 Anup Patel 2022-10-09  253  	SAVE_GUEST_AND_RESTORE_HOST_CSRS
c25a9f5b7daa98 Anup Patel 2022-10-09  254  
c25a9f5b7daa98 Anup Patel 2022-10-09  255  	RESTORE_HOST_GPRS
34bde9d8b9e6e5 Anup Patel 2021-09-27  256  
34bde9d8b9e6e5 Anup Patel 2021-09-27  257  	/* Return to C code */
34bde9d8b9e6e5 Anup Patel 2021-09-27  258  	ret
34bde9d8b9e6e5 Anup Patel 2021-09-27 @259  ENDPROC(__kvm_riscv_switch_to)
9f7013265112a9 Anup Patel 2021-09-27  260  

:::::: The code at line 259 was first introduced by commit
:::::: 34bde9d8b9e6e5249db3c07cf1ebfe75c23c671c RISC-V: KVM: Implement VCPU world-switch

:::::: TO: Anup Patel <anup.patel@wdc.com>
:::::: CC: Anup Patel <anup@brainfault.org>

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