From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryan Harper Subject: Re: [PATCH][RESUBMIT] add dom0 vcpu hotplug control Date: Tue, 21 Jun 2005 09:14:04 -0500 Message-ID: <20050621141404.GA8652@us.ibm.com> References: <20050607220246.GD28421@us.ibm.com> <20050614163718.GB7954@us.ibm.com> <3d8eece205062104023b62ebe3@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <3d8eece205062104023b62ebe3@mail.gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Christian.Limpach@cl.cam.ac.uk Cc: Ryan Harper , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org * Christian Limpach [2005-06-21 09:11]: > On 6/14/05, Ryan Harper wrote: > > * Ryan Harper [2005-06-07 17:05]: > > > This patch adds new control messages for vcpu hotplug events. Via the > > > xm vcpu_hotplug sub-program, VCPUS in domains can be enabled/disabled > > > when CONFIG_HOTPLUG_CPU is enabled in the target domain's kernel. > > > > > > > Updated this patch to use vcpu_to_cpu up/down info to control whether > > state changes are sent when hotplugging vcpus. > > I've applied both patches. I think there's a flaw in the way how > vcpu_to_cpu gets passed up to python, the -1 -> # hack is kind of > gross and it won't work for cpus > 9? > > Also the whole hotplug stuff is still missing interrupt re-routing > when a vcpu is taken down. To do this, we need an evtchn operation to > change the vcpu affinity of a port by changing notify_vcpu_id. OK, I'll take a look and address the issues. Thanks. -- Ryan Harper Software Engineer; Linux Technology Center IBM Corp., Austin, Tx (512) 838-9253 T/L: 678-9253 ryanh@us.ibm.com