From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH 0/2 v2] x86: kvm: global clock updates Date: Tue, 04 Mar 2014 12:34:45 +0100 Message-ID: <5315BA55.4070202@redhat.com> References: <1393588375-13664-1-git-send-email-drjones@redhat.com> <20140228145234.GA13771@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Marcelo Tosatti , Andrew Jones Return-path: In-Reply-To: <20140228145234.GA13771@amt.cnet> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Il 28/02/2014 15:52, Marcelo Tosatti ha scritto: > On Fri, Feb 28, 2014 at 12:52:53PM +0100, Andrew Jones wrote: >> This patch series addresses two issues with global clock updates. >> The first fixes a bug found on hosts that have a tsc marked as >> unstable. As global clock updates get triggered on every vcpu load >> in these cases, guests with a large number of vcpus have their >> progress nearly halted. The fix for that bug should also go to >> stable. The second patch in this series ensures that NTP corrections >> on the host, as well as on guests with all vcpus pinned, will be >> propagated periodically. That patch improves things, but doesn't >> fix a bug, thus it can be merged at a later time than the first. >> I've posted them together as a series, as the second one builds >> on the first. >> >> Andrew Jones (2): >> x86: kvm: rate-limit global clock updates >> x86: kvm: introduce periodic global clock updates >> >> arch/x86/include/asm/kvm_host.h | 2 + >> arch/x86/kvm/x86.c | 92 +++++++++++++++++++++++++++++++++++++++-- >> 2 files changed, 90 insertions(+), 4 deletions(-) >> >> -- >> 1.8.1.4 > > Looks good. > Applied to kvm/queue, thanks to both. Paolo