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Subject[PATCH v1 0/4] signal: Removing has_group_leader_pid

With de_thread now calling exchange_tids has_group_leader_pid no longer
makes any sense and is equivalent to calling thread_group_leader.

As there are only 2 remaining users of has_group_leader_pid let's
update the code and get rid of has_group_leader_pid.

There is one extra patch to lookup_task that performs that unifies
to code paths that become identical when has_group_leader_pid went
away.

Eric W. Biederman (4):
posix-cpu-timer: Tidy up group_leader logic in lookup_task
posix-cpu-timer: Unify the now redundant code in lookup_task
exec: Remove BUG_ON(has_group_leader_pid)
signal: Remove has_group_leader_pid

fs/exec.c | 1 -
include/linux/sched/signal.h | 11 -----------
kernel/time/posix-cpu-timers.c | 21 ++++++++-------------
3 files changed, 8 insertions(+), 25 deletions(-)

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