From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: KVM and Prempt? Date: Mon, 22 Oct 2007 09:39:35 +0200 Message-ID: <471C53B7.1040208@qumranet.com> References: <003F437218F04842B2A6976FA19368B1886A2F@ERLM863A.ww001.siemens.net> <1192802222.9564.4.camel@ghaskins-t60p.haskins.net> <003F437218F04842B2A6976FA19368B1886A66@ERLM863A.ww001.siemens.net> <1192807627.9564.10.camel@ghaskins-t60p.haskins.net> <003F437218F04842B2A6976FA19368B1886B92@ERLM863A.ww001.siemens.net> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: "Back, Michael (ext)" Return-path: In-Reply-To: <003F437218F04842B2A6976FA19368B1886B92-EA/R+3GEQKtclD5KMHf1bFOnKfhBOm/VrE5yTffgRl4@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Back, Michael (ext) wrote: >> -----Urspr=FCngliche Nachricht----- >> Von: Gregory Haskins [mailto:ghaskins-Et1tbQHTxzrQT0dZR+AlfA@public.gmane.org] = >> Gesendet: Friday, October 19, 2007 5:27 PM >> An: Back, Michael (ext) >> Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >> Betreff: Re: AW: [kvm-devel] KVM and Prempt? >> >> On Fri, 2007-10-19 at 16:17 +0200, Back, Michael (ext) wrote: >> >> = >>>> Are you referring to the -rt patch? >>>> = >>> Yes, I take the patch from >>> http://www.kernel.org/pub/linux/kernel/projects/rt/ >>> >>> = >> Ah, yes. There were problems in the past with running KVM on = >> -rt if you >> have the full kit enabled. Its possible they are still not fixed. >> >> I had patches to address this issue for an older KVM and had it up and >> running on a full PREEMPT_RT kernel, but they have become = >> quite stale at >> this point. I will be picking up this work again sometime in the near >> future, so watch this space. >> >> Are you building KVM as a module from the -rt tree, or as an external >> module? >> = > > I use a external module, last try was kvm-46! > > = Make sure CONFIG_PREEMPT_NOTIFIER is selected in your .config. You'll have to adjust Kconfig or select the in-tree kvm for that. -- = Do not meddle in the internals of kernels, for they are subtle and quick to= panic. ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/