This patch is for kvm live migration optimization, it fixes the issue which commit 317b0a6d8ba tries to fix in another way, and it can reduce the live migration VM downtime about 300us.
*This patch is not tested for the issue commit 317b0a6d8ba tries to fix* Liang Li (2): kvmclock: remove cpu_synchronize_all_states call Revert "Introduce cpu_clean_all_dirty" cpus.c | 17 ++++++++--------- hw/i386/kvm/clock.c | 17 ----------------- include/sysemu/cpus.h | 1 - include/sysemu/kvm.h | 8 -------- kvm-all.c | 5 ----- 5 files changed, 8 insertions(+), 40 deletions(-) -- 1.9.1