Re: [PATCH v2 06/26] modpost: traverse unresolved symbols in order

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On Sun, May 1, 2022 at 1:42 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> Currently, modpost manages unresolved in a singly linked list; it adds
> a new node to the head, and traverses the list from new to old.
>
> Use a doubly linked list to keep the order in the symbol table in the
> ELF file.
>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---
>
> (no changes since v1)

Technically, you added a comment. :P
https://lore.kernel.org/linux-kbuild/20220424190811.1678416-11-masahiroy@xxxxxxxxxx/

>
>  scripts/mod/modpost.c | 20 ++++++++++++++------
>  scripts/mod/modpost.h |  2 +-
>  2 files changed, 15 insertions(+), 7 deletions(-)
>
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index abcdb0677775..c7dda4cfa497 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -185,6 +185,8 @@ static struct module *new_module(const char *modname)
>         mod = NOFAIL(malloc(sizeof(*mod) + strlen(modname) + 1));
>         memset(mod, 0, sizeof(*mod));
>
> +       INIT_LIST_HEAD(&mod->unresolved_symbols);
> +
>         strcpy(mod->name, modname);
>         mod->is_vmlinux = (strcmp(modname, "vmlinux") == 0);
>
> @@ -207,6 +209,7 @@ static struct module *new_module(const char *modname)
>
>  struct symbol {
>         struct symbol *next;
> +       struct list_head list;  /* link to module::unresolved_symbols */

Thanks. ;)
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

-- 
Thanks,
~Nick Desaulniers



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