Changes in v3:

- Remove "um: Remove declarations of undefined functions";
- Add "um: Remove the declaration of user_thread function";
- Add "um: Remove outdated asm/sysrq.h header";
- Minor tweaks on commit log;

Changes in v2 (https://lore.kernel.org/linux-um/20240816095953.638401-1-tiwei.btw@antgroup.com/):

- Remove the pointless union (suggested by Benjamin Berg);
- Minor tweaks on coding style;

v1: https://lore.kernel.org/linux-um/20240816015447.320394-1-tiwei.btw@antgroup.com/

Tiwei Bie (7):
  um: Remove unused kpte_clear_flush macro
  um: Remove the redundant newpage check in update_pte_range
  um: Remove unused fields from thread_struct
  um: Remove unused mm_fd field from mm_id
  um: Remove the call to SUBARCH_EXECVE1 macro
  um: Remove the declaration of user_thread function
  um: Remove outdated asm/sysrq.h header

 arch/um/include/asm/pgtable.h           |  7 -------
 arch/um/include/asm/processor-generic.h | 20 +++++---------------
 arch/um/include/asm/sysrq.h             |  8 --------
 arch/um/include/shared/skas/mm_id.h     |  5 +----
 arch/um/include/shared/skas/skas.h      |  1 -
 arch/um/kernel/exec.c                   |  3 ---
 arch/um/kernel/process.c                |  8 ++++----
 arch/um/kernel/reboot.c                 |  2 +-
 arch/um/kernel/skas/mmu.c               | 12 ++++++------
 arch/um/kernel/skas/process.c           |  4 ++--
 arch/um/kernel/sysrq.c                  |  1 -
 arch/um/kernel/time.c                   |  2 +-
 arch/um/kernel/tlb.c                    | 16 ++++++----------
 arch/um/os-Linux/skas/mem.c             |  2 +-
 arch/um/os-Linux/skas/process.c         |  2 +-
 arch/x86/um/sysrq_32.c                  |  1 -
 arch/x86/um/sysrq_64.c                  |  1 -
 17 files changed, 28 insertions(+), 67 deletions(-)
 delete mode 100644 arch/um/include/asm/sysrq.h

-- 
2.34.1