[PATCH 00/11] Introduce kernel_clone(), kill _do_fork()

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Hey everyone,

This is a follow-up to the do_fork() cleanup from last cycle based on a
short discussion this was merged.
Last cycle we removed copy_thread_tls() and the associated Kconfig
option for each architecture. Now we are only left with copy_thread().
Part of this work was removing the old do_fork() legacy clone()-style
calling convention in favor of the new struct kernel_clone args calling
convention.
The only remaining function callable outside of kernel/fork.c is
_do_fork(). It doesn't really follow the naming of kernel-internal
syscall helpers as Christoph righly pointed out. Switch all callers and
references to kernel_clone() and remove _do_fork() once and for all.

For all architectures I have done a full git rebase v5.9-rc1 -x "make
-j31". There were no built failures and the changes were fairly
mechanical.

The only helpers we have left now are kernel_thread() and kernel_clone()
where kernel_thread() just calls kernel_clone().

Thanks!
Christian

Christian Brauner (11):
  fork: introduce kernel_clone()
  h8300: switch to kernel_clone()
  ia64: switch to kernel_clone()
  m68k: switch to kernel_clone()
  nios2: switch to kernel_clone()
  sparc: switch to kernel_clone()
  x86: switch to kernel_clone()
  kprobes: switch to kernel_clone()
  kgdbts: switch to kernel_clone()
  tracing: switch to kernel_clone()
  sched: remove _do_fork()

 Documentation/trace/histogram.rst             |  4 +-
 arch/h8300/kernel/process.c                   |  2 +-
 arch/ia64/kernel/process.c                    |  4 +-
 arch/m68k/kernel/process.c                    | 10 ++--
 arch/nios2/kernel/process.c                   |  2 +-
 arch/sparc/kernel/process.c                   |  6 +--
 arch/x86/kernel/sys_ia32.c                    |  2 +-
 drivers/misc/kgdbts.c                         | 48 +++++++++----------
 include/linux/sched/task.h                    |  2 +-
 kernel/fork.c                                 | 14 +++---
 samples/kprobes/kprobe_example.c              |  6 +--
 samples/kprobes/kretprobe_example.c           |  4 +-
 .../test.d/dynevent/add_remove_kprobe.tc      |  2 +-
 .../test.d/dynevent/clear_select_events.tc    |  2 +-
 .../test.d/dynevent/generic_clear_event.tc    |  2 +-
 .../test.d/ftrace/func-filter-stacktrace.tc   |  4 +-
 .../ftrace/test.d/kprobe/add_and_remove.tc    |  2 +-
 .../ftrace/test.d/kprobe/busy_check.tc        |  2 +-
 .../ftrace/test.d/kprobe/kprobe_args.tc       |  4 +-
 .../ftrace/test.d/kprobe/kprobe_args_comm.tc  |  2 +-
 .../test.d/kprobe/kprobe_args_string.tc       |  4 +-
 .../test.d/kprobe/kprobe_args_symbol.tc       | 10 ++--
 .../ftrace/test.d/kprobe/kprobe_args_type.tc  |  2 +-
 .../ftrace/test.d/kprobe/kprobe_ftrace.tc     | 14 +++---
 .../ftrace/test.d/kprobe/kprobe_multiprobe.tc |  2 +-
 .../test.d/kprobe/kprobe_syntax_errors.tc     | 12 ++---
 .../ftrace/test.d/kprobe/kretprobe_args.tc    |  4 +-
 .../selftests/ftrace/test.d/kprobe/profile.tc |  2 +-
 28 files changed, 87 insertions(+), 87 deletions(-)


base-commit: 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
-- 
2.28.0




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