nohz/full: drop 64-bit requirement, enable ARM support

As of v3.10, the core ARM arch support is in mainline for NO_HZ_FULL.
The only remaining part is the removal of the hard-coded Kconfig
requirement on 64-bit platforms, which I believe can now be removed
after the nsec granularity cputime was made to work on non 64_BIT
(c.f. commit 8c23b80e, cputime_nsecs: use math64.h for nsec resolution
conversion helpers.)

This series makes the final Kconfig changes to bring NO_HZ_FULL
support to ARM.

I will queue up the arch/arm patch for Russell separately once the
generic changes are accepted.

Applies on today's linus master (commit bdbdfdef57)

Kevin

Kevin Hilman (4):
  nohz_full: Kconfig: VIRT_CPU_ACCOUNTING_GEN: drop 64-bit requirement
  nohz_full: Kconfig: drop requrement on 64-bit
  full_nohz: Kconfig: add HAVE_VIRT_CPU_ACCOUNTING_GEN
  ARM: Kconfig: allow full nohz CPU accounting

 arch/Kconfig        | 11 +++++++++++
 arch/arm/Kconfig    |  1 +
 init/Kconfig        |  3 ++-
 kernel/time/Kconfig |  2 --
 4 files changed, 14 insertions(+), 3 deletions(-)

-- 
1.8.3

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