From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [Xen-devel] [PATCH RFC V3 2/4] kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Date: Wed, 07 Dec 2011 12:53:54 +0200 Message-ID: <4EDF45C2.9060108@redhat.com> References: <20111130085921.23386.89708.sendpatchset@oc5400248562.ibm.com> <20111130085959.23386.69166.sendpatchset@oc5400248562.ibm.com> <4ED760F1.6080804@redhat.com> <4ED7DA85.5080504@linux.vnet.ibm.com> <4EDBB6C2.9050303@linux.vnet.ibm.com> <20111206164947.GA13184@andromeda.dapyr.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20111206164947.GA13184@andromeda.dapyr.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Konrad Rzeszutek Wilk Cc: Raghavendra K T , KVM , Peter Zijlstra , Jeremy Fitzhardinge , Virtualization , Raghavendra K T , "H. Peter Anvin" , Dave Hansen , Xen , Dave Jiang , x86@kernel.org, Ingo Molnar , Stefano Stabellini , Jeremy Fitzhardinge , Sasha Levin , Sedat Dilek , Thomas Gleixner , Yinghai Lu , Konrad Rzeszutek Wilk , Greg Kroah-Hartman , Srivatsa Vaddagiri , LKML List-Id: virtualization@lists.linuxfoundation.org On 12/06/2011 06:49 PM, Konrad Rzeszutek Wilk wrote: > On Sun, Dec 04, 2011 at 11:36:58PM +0530, Raghavendra K T wrote: > > On 12/02/2011 01:20 AM, Raghavendra K T wrote: > > >>Have you tested it on AMD machines? There are some differences in the > > >>hypercall infrastructure there. > > > > > >Yes. 'll test on AMD machine and update on that. > > > > > > > I tested the code on 64 bit Dual-Core AMD Opteron machine, and it is > > working. > > I am not that familiar with how KVM does migration, but do you need any > special flags in QEMU to when migrating a KVM-pv-spinlock enabled guest > to another machine? I don't think so. Sleeping is an ordinary HLT state which we already migrate. There are no further states. -- error compiling committee.c: too many arguments to function