Hi all,

This patch set (based on v3.14-rc7) will fix an issue that
idle/iowait of /proc/stat can go backward. Originally reported
by Tetsuo and Fernando at last year, Mar 2013.

Reviews are welcome.

Thanks,
H.Seto


Hidetoshi Seto (2):
      nohz: use seqlock to avoid race on idle time stats
      nohz, procfs: introduce get_cpu_idle/iowait_time_coarse

 fs/proc/stat.c           |   16 ++---
 include/linux/tick.h     |    5 ++
 kernel/time/tick-sched.c |  171 ++++++++++++++++++++++++++++++++++++++++------
 3 files changed, 161 insertions(+), 31 deletions(-)

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