838b3e28488f7: RISC-V: Load purgatory in kexec_file


On 5/30/22 21:54, Stephen Rothwell wrote:
> Hi all,
> 
> Note: please do not add any v5.20 material to your linux-next included
> branches until after v5.19-rc1 has been related.
> 
> Changes since 20220527:
> 

When CONFIG_MODULES is not set/enabled:
(oh, also CONFIG_MMU is not set)


../arch/riscv/kernel/elf_kexec.c:346:5: error: redefinition of 'arch_kexec_apply_relocations_add'
  346 | int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../arch/riscv/kernel/elf_kexec.c:17:
../include/linux/kexec.h:236:1: note: previous definition of 'arch_kexec_apply_relocations_add' with type 'int(struct purgatory_info *, Elf64_Shdr *, const Elf64_Shdr *, const Elf64_Shdr *)' {aka 'int(struct purgatory_info *, struct elf64_shdr *, const struct elf64_shdr *, const struct elf64_shdr *)'}
  236 | arch_kexec_apply_relocations_add(struct purgatory_info *pi, Elf_Shdr *section,
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../arch/riscv/kernel/elf_kexec.c: In function 'arch_kexec_apply_relocations_add':
../arch/riscv/kernel/elf_kexec.c:353:9: error: unknown type name 'Elf_Rela'; did you mean 'Elf64_Rela'?
  353 |         Elf_Rela *relas;
      |         ^~~~~~~~
      |         Elf64_Rela
In file included from ../arch/riscv/include/asm/elf.h:11,
                 from ../include/linux/elf.h:6,
                 from ../include/linux/module.h:19,
                 from ../arch/riscv/kernel/elf_kexec.c:15:
../arch/riscv/kernel/elf_kexec.c:371:44: error: request for member 'r_info' in something not a structure or union
  371 |                 sym += ELF64_R_SYM(relas[i].r_info);
      |                                            ^
../include/uapi/linux/elf.h:163:43: note: in definition of macro 'ELF64_R_SYM'
  163 | #define ELF64_R_SYM(i)                  ((i) >> 32)
      |                                           ^
../arch/riscv/kernel/elf_kexec.c:380:32: error: request for member 'r_offset' in something not a structure or union
  380 |                 loc += relas[i].r_offset;
      |                                ^
../arch/riscv/kernel/elf_kexec.c:393:32: error: request for member 'r_addend' in something not a structure or union
  393 |                 val += relas[i].r_addend;
      |                                ^
../arch/riscv/kernel/elf_kexec.c:395:51: error: request for member 'r_offset' in something not a structure or union
  395 |                 addr = section->sh_addr + relas[i].r_offset;
      |                                                   ^
In file included from ../arch/riscv/include/asm/elf.h:11,
                 from ../include/linux/elf.h:6,
                 from ../include/linux/module.h:19,
                 from ../arch/riscv/kernel/elf_kexec.c:15:
../arch/riscv/kernel/elf_kexec.c:397:47: error: request for member 'r_info' in something not a structure or union
  397 |                 r_type = ELF64_R_TYPE(relas[i].r_info);
      |                                               ^
../include/uapi/linux/elf.h:164:43: note: in definition of macro 'ELF64_R_TYPE'
  164 | #define ELF64_R_TYPE(i)                 ((i) & 0xffffffff)
      |                                           ^


Full randconfig file is attached.

-- 
~Randy