Re: [PATCH 02/23] regset: Add explicit core note name in struct user_regset

[Alexander Gordeev <agordeev@linux.ibm.com>]

On Tue, Jul 01, 2025 at 02:55:55PM +0100, Dave Martin wrote:
> There is currently hard-coded logic spread around the tree for
> determining the note name for regset notes emitted in coredumps.
> 
> Now that the names are declared explicitly in <uapi/elf.h>, this can be
> simplified.
> 
> In preparation for getting rid of the special-case logic, add an
> explicit core_note_name field in struct user_regset for specifying the
> note name explicitly.  To help avoid mistakes, a convenience macro
> USER_REGSET_NOTE_TYPE() is provided to set .core_note_type and
> .core_note_name based on the note type.
> 
> When dumping core, use the new field to set the note name, if the
> regset specifies it.
> 
> Signed-off-by: Dave Martin <Dave.Martin@arm.com>
> Cc: Oleg Nesterov <oleg@redhat.com>
> Cc: Kees Cook <kees@kernel.org>
> Cc: Akihiko Odaki <akihiko.odaki@daynix.com>
> ---
>  fs/binfmt_elf.c        |  8 ++++++--
>  include/linux/regset.h | 10 ++++++++++
>  2 files changed, 16 insertions(+), 2 deletions(-)

Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> # s390