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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> Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> # s390 Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp> Link: https://lore.kernel.org/r/20250701135616.29630-3-Dave.Martin@arm.com Signed-off-by: Kees Cook <kees@kernel.org>