The commit 3033f14ab78c32687 ("clone: support passing tls argument via C
rather than pt_regs magic") introduced _do_fork() that allowed to pass
@tls parameter.

The old do_fork() is defined only for architectures that are not ready
to use this way and do not define HAVE_COPY_THREAD_TLS.

1st patch fixes do_fork() declaration.

2nd patch fixes kprobe samples to work again.

BTW: I think about renaming _do_fork() to do_fork_tls(). Then it will
use the same naming scheme as copy_thread()/copy_thread_tls().

Petr Mladek (2):
  clone: Declare do_fork() only when available
  kprobe: Use _do_fork() in samples to make them work again

 include/linux/sched.h               |  2 ++
 samples/kprobes/jprobe_example.c    | 14 +++++++-------
 samples/kprobes/kprobe_example.c    |  6 +++---
 samples/kprobes/kretprobe_example.c |  4 ++--
 4 files changed, 14 insertions(+), 12 deletions(-)

-- 
1.8.5.6

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