Revert "kernel/sched: Modify initial boot task idle setup"
This reverts commit 3569ad59 which is commit cff9b233 upstream. Joel writes: Let us drop this patch because it caused new tasks-RCU warnings (both normal and rude tasks RCU) in my stable test rig. We are discussing the "right fix" and at that time a backport can be done. Reported-by: Joel Fernandes <joel@joelfernandes.org> Link: https://lore.kernel.org/r/CAEXW_YT6bH70M1TF2TttB-_kP=RUv_1nsy_sHYi6_0oCrX3mVQ@mail.gmail.com Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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