diff options
| author | WANG Rui <wangrui@loongson.cn> | 2023-11-24 16:54:10 +0800 |
|---|---|---|
| committer | Simon Horman <horms@kernel.org> | 2023-12-02 12:42:17 +0000 |
| commit | ba0ac0efe29927d135d073176bba559a25733b43 (patch) | |
| tree | a4a6f67fb39aa91708b6552fb7cb9b2cd20e5138 | |
| parent | 74dfaefd631694d771a38ede308da2083eae3a3b (diff) | |
| download | kexec-tools-ba0ac0efe29927d135d073176bba559a25733b43.tar.gz | |
LoongArch: Fix an issue with relocatable vmlinux
Normally vmlinux for LoongArch is of ET_EXEC type, while if built with
CONFIG_RELOCATABLE (this is PIE) and Clang, it will be of ET_DYN type.
Meanwhile, physical address field of segments in vmlinux has actually
the same value as virtual address field.
Similar to arm64, this patch allows to unconditionally skip the check
on LoongArch.
Link: https://github.com/ClangBuiltLinux/linux/issues/1963
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Simon Horman <horms@kernel.org>
| -rw-r--r-- | kexec/kexec-elf-exec.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kexec/kexec-elf-exec.c b/kexec/kexec-elf-exec.c index bea7b3e3..b3376427 100644 --- a/kexec/kexec-elf-exec.c +++ b/kexec/kexec-elf-exec.c @@ -39,12 +39,13 @@ static int get_elf_exec_load_base(struct mem_ehdr *ehdr, struct kexec_info *info unsigned long first, last; size_t i; - /* Note on arm64: + /* Note on arm64 and loongarch64: * arm64's vmlinux has virtual address in physical address * field of PT_LOAD segments. So the following validity check * and relocation makes no sense on arm64. + * This is also applies to LoongArch. */ - if (ehdr->e_machine == EM_AARCH64) + if (ehdr->e_machine == EM_AARCH64 || ehdr->e_machine == EM_LOONGARCH) return 0; first = ULONG_MAX; |