From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rusty Russell Subject: Re: [PATCH 5/5] KVM: paravirt time source Date: Tue, 19 Jun 2007 18:04:39 +1000 Message-ID: <1182240279.19064.65.camel@localhost.localdomain> References: <4675F462.1010708@codemonkey.ws> <4675F601.3090706@codemonkey.ws> <4676D8E4.3020806@goop.org> <4676FEB9.6060308@codemonkey.ws> <46770162.6030101@goop.org> <4677163F.2030308@codemonkey.ws> <4677894D.3050500@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4677894D.3050500-atKUWr5tajBWk0Htik3J/w@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 To: Avi Kivity Cc: kvm-devel , virtualization List-Id: virtualization@lists.linuxfoundation.org On Tue, 2007-06-19 at 10:44 +0300, Avi Kivity wrote: > Anthony Liguori wrote: > > > >> How are you doing clockevents? > >> > >> > > > > Right now, I'm relying on the PIT but it would be nice to eliminate > > that. I'd like to move to something PV so that I can make use of > > tickless guest kernels. I'm very open to suggestion and even more open > > to reusing other people's code :-) > > > > You'll need an irqchip to inject irqs. I think Ingo's patchset had an > irqchip implementation. Lguest has one in -rc4-mm2, but I'd look at Ingo's too. Lguest's is very much "mY fIrsT IrqchIP"... We do tickless and it seems to work. Cheers, Rusty. ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/