Le 29/05/2022 à 08:56, Uwe Kleine-König a écrit :
> Hello,
>
> on current linux-next ARCH=riscv allmodconfig breaks with:
>
> CC arch/riscv/kernel/elf_kexec.o
> arch/riscv/kernel/elf_kexec.c:345:5: error: redefinition of ‘arch_kexec_apply_relocations_add’
> 345 | int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from arch/riscv/kernel/elf_kexec.c:16:
> 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,
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> (I think) because there is a conflict between the two commits:
>
> 233c1e6c319c kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add]
> 838b3e28488f RISC-V: Load purgatory in kexec_file
>
> And so next is broken starting from
> 164a9037b1d33f28ba27671c16ec1c23d4a11acf which merges the riscv tree.
>
In arch/riscv/include/asm/kexec.h, do the same as s390 did in commit
233c1e6c319c:
diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h
index 7f3c9ac34bd8..540dd469b088 100644
--- a/arch/s390/include/asm/kexec.h
+++ b/arch/s390/include/asm/kexec.h
@@ -83,4 +83,12 @@ struct kimage_arch {
extern const struct kexec_file_ops s390_kexec_image_ops;
extern const struct kexec_file_ops s390_kexec_elf_ops;
+#ifdef CONFIG_KEXEC_FILE
+struct purgatory_info;
+int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
+ Elf_Shdr *section,
+ const Elf_Shdr *relsec,
+ const Elf_Shdr *symtab);
+#define arch_kexec_apply_relocations_add arch_kexec_apply_relocations_add
+#endif
#endif /*_S390_KEXEC_H */
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