From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raghavendra K T Subject: Re: [PATCH RFC V2 5/5] kvm guest : pv-ticketlocks support for linux guests running on KVM hypervisor Date: Thu, 27 Oct 2011 01:25:04 +0530 Message-ID: <4EA86598.1060604@linux.vnet.ibm.com> References: <20111023190307.16364.35381.sendpatchset@oc5400248562.ibm.com> <20111023190753.16364.31164.sendpatchset@oc5400248562.ibm.com> <4EA7012B.5040808@goop.org> <4EA85E32.3080107@linux.vnet.ibm.com> <4EA86387.5040108@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Raghavendra K T , Greg Kroah-Hartman , "H. Peter Anvin" , Gleb Natapov , Virtualization , "x86@kernel.org" , KVM , Dave Jiang , Thomas Gleixner , Stefano Stabellini , Yinghai Lu , Sedat Dilek , Ingo Molnar , Marcelo Tosatti , Xen , Avi Kivity , Rik van Riel , Konrad Rzeszutek Wilk , LKML , Suzuki Poulose , Srivatsa Vaddagiri , Peter Zijlstra To: Jeremy Fitzhardinge Return-path: In-Reply-To: <4EA86387.5040108@goop.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 10/27/2011 01:16 AM, Jeremy Fitzhardinge wrote: > On 10/26/2011 12:23 PM, Raghavendra K T wrote: >> On 10/26/2011 12:04 AM, Jeremy Fitzhardinge wrote: >>> On 10/23/2011 12:07 PM, Raghavendra K T wrote: > >> our current aim was to have before any printk happens. >> So I 'll trim the comment to somethings like : >> >> Setup pv_lock_ops to exploit KVM_FEATURE_WAIT_FOR_KICK if present. >> This needs to be setup early in boot. ? > > You can hook the smp_ops.smp_prepare_cpus call and initialize it there. > There's no need to add new hook code. > Ok.. Thanks for pointer. 'll check on that. > J >