From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47006) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZU7B8-00056R-1v for qemu-devel@nongnu.org; Tue, 25 Aug 2015 01:53:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZU7B3-0001zT-2Z for qemu-devel@nongnu.org; Tue, 25 Aug 2015 01:53:50 -0400 Received: from mga11.intel.com ([192.55.52.93]:22764) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZU7B2-0001yr-TR for qemu-devel@nongnu.org; Tue, 25 Aug 2015 01:53:44 -0400 From: Liang Li Date: Tue, 25 Aug 2015 13:52:43 +0800 Message-Id: <1440481965-12318-1-git-send-email-liang.z.li@intel.com> Subject: [Qemu-devel] [RFC 0/2] Reduce the VM downtime about 300us List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, mtosatti@redhat.com, m.gibula@beyond.pl, Liang Li 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