CPU may spend a lot of time in a guest mode while other CPUs wait for rcu grace period to elapse. This patch series makes guest mode into quiescent state to shorten wait time. Gleb Natapov (2): rcu: export rcu_note_context_switch() function KVM: make guest mode entry to be rcu quiescent state include/linux/kvm_host.h | 1 + include/linux/rcutiny.h | 6 +----- kernel/rcutiny.c | 7 +++++++ kernel/rcutree.c | 1 + 4 files changed, 10 insertions(+), 5 deletions(-) -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html