This should help in enabling MTTCG for x86.

Paolo

Paolo Bonzini (4):
  cpus: protect all icount computation with seqlock
  seqlock: add QemuLockable support
  cpus: protect TimerState writes with a spinlock
  cpus: allow cpu_get_ticks out of BQL

 cpus.c                 | 174 +++++++++++++++++++++++++----------------
 include/qemu/seqlock.h |  20 +++++
 2 files changed, 128 insertions(+), 66 deletions(-)

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2.17.1