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SubjectRe: [PATCH v2 17/19] objtool: Optimize !vmlinux.o again
On Sat, Mar 21, 2020 at 04:14:21PM +0100, Peter Zijlstra wrote:
> On Fri, Mar 20, 2020 at 05:20:47PM +0100, Miroslav Benes wrote:
>
> > I think there is one more missing in create_orc_entry().
>
> I'm thikning you're quite right about that.... lemme see what to do
> about that.

---
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -472,6 +472,14 @@ static int read_symbols(struct elf *elf)
return -1;
}

+void elf_add_rela(struct elf *elf, struct rela *rela)
+{
+ struct section *sec = rela->sec;
+
+ list_add_tail(&rela->list, &sec->rela_list);
+ elf_hash_add(elf->rela_hash, &rela->hash, rela_hash(rela));
+}
+
static int read_relas(struct elf *elf)
{
struct section *sec;
@@ -519,8 +527,7 @@ static int read_relas(struct elf *elf)
return -1;
}

- list_add_tail(&rela->list, &sec->rela_list);
- elf_hash_add(elf->rela_hash, &rela->hash, rela_hash(rela));
+ elf_add_rela(elf, rela);
nr_rela++;
}
max_rela = max(max_rela, nr_rela);
--- a/tools/objtool/elf.h
+++ b/tools/objtool/elf.h
@@ -127,6 +127,7 @@ struct section *elf_create_rela_section(
int elf_rebuild_rela_section(struct section *sec);
int elf_write(struct elf *elf);
void elf_close(struct elf *elf);
+void elf_add_rela(struct elf *elf, struct rela *rela);

#define for_each_sec(file, sec) \
list_for_each_entry(sec, &file->elf->sections, list)
--- a/tools/objtool/orc_gen.c
+++ b/tools/objtool/orc_gen.c
@@ -111,8 +111,7 @@ static int create_orc_entry(struct elf *
rela->offset = idx * sizeof(int);
rela->sec = ip_relasec;

- list_add_tail(&rela->list, &ip_relasec->rela_list);
- hash_add(elf->rela_hash, &rela->hash, rela_hash(rela));
+ elf_add_rela(elf, rela);

return 0;
}
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