[PATCH RFC 0/2] Fix race window during idle cpu selection.

[Atish Patra]

The 1st patch actually fixes the issue. The 2nd patch adds a new element
in schedstat intended only for testing.

Atish Patra (2):
  sched: Minimize the idle cpu selection race window.
  sched: Add a stat for idle cpu selection race window.

 kernel/sched/core.c      |  6 ++++++
 kernel/sched/fair.c      | 12 +++++++++---
 kernel/sched/idle_task.c |  1 +
 kernel/sched/sched.h     |  2 ++
 kernel/sched/stats.c     |  5 +++--
 5 files changed, 21 insertions(+), 5 deletions(-)

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2.7.4