Reviewed-by: Huacai Chen <chenhuacai@xxxxxxxxxxx> On Fri, Nov 24, 2023 at 4:54 PM WANG Rui <wangrui@xxxxxxxxxxx> wrote: > > 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@xxxxxxxxxxx> > --- > kexec/kexec-elf-exec.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/kexec/kexec-elf-exec.c b/kexec/kexec-elf-exec.c > index bea7b3e..b337642 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; > -- > 2.43.0 > _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
