Re: [PATCH v3 0/3] Filter out local and mapping symbols during module load

[Huacai Chen]

On Wed, Aug 12, 2026 at 11:17 PM Huacai Chen <chenhuacai@xxxxxxxxxx> wrote:
>
> Reviewed-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
>
> But I still don't think renaming is_core_symbol() to is_kept_symbol()
> is necessary.
And this series needs to backport to stable branches, no renaming can
reduce the difficulty.

Huacai

>
> Huacai
>
> On Wed, Aug 12, 2026 at 11:28 AM Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote:
> >
> > This series prevents compiler generated local and mapping symbols
> > from leaking into /proc/kallsyms for loaded modules. This ensures
> > tracing tools like bpftrace can resolve accurate kernel stacks on
> > architectures like LoongArch.
> >
> > Based on the v2 discussion, the changes are now refactored into a
> > clean three-patch series to eliminate code duplication and clarify
> > naming.
> >
> > Tiezhu Yang (3):
> >   module/kallsyms: Rename is_mapping_symbol() to
> >     is_local_mapping_symbol()
> >   module/kallsyms: Refactor current symbol filtering into
> >     is_kept_symbol()
> >   module/kallsyms: Filter out local and mapping symbols during module
> >     load
> >
> >  include/linux/module_symbol.h |  4 +--
> >  kernel/module/kallsyms.c      | 59 ++++++++++++++++++-----------------
> >  scripts/faddr2line            |  2 +-
> >  scripts/mod/modpost.h         |  2 +-
> >  4 files changed, 35 insertions(+), 32 deletions(-)
> >
> > --
> > 2.42.0
> >
> >