From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: Vanilla Linux 64-bit paravirt guest support Date: Thu, 10 Apr 2008 10:40:24 -0500 Message-ID: <47FE34E8.6010606@goop.org> References: <47FAF285.10103@cmu.edu> <47FBE3CF.4000107@goop.org> <47FD942C.5040503@cmu.edu> <47FE1DB6.6050707@goop.org> <1207836684.16779.8.camel@muff> <3883AEC7-3636-4809-8516-8870C1B9C7C4@cmu.edu> <47FE2AE1.4020404@goop.org> <9BAE25D5-5463-4C00-890E-551B6EBFBAFD@cmu.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <9BAE25D5-5463-4C00-890E-551B6EBFBAFD@cmu.edu> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Michael Abd-El-Malek Cc: Mark McLoughlin , xen-devel , Eduardo Habkost List-Id: xen-devel@lists.xenproject.org Michael Abd-El-Malek wrote: > For my purposes, suspend/resume/migrate isn't required. But I might > need ballooning. Would I be able to take the balloon driver from > 2.6.18.8 and use it in those new trees? The new tree seems to have > all the hypercalls and defines the > increase_reservation/decrease_reservation op codes. I can add the > stub code for these calls. I have pending patches for balloon support in x86.git (http://people.redhat.com/mingo/x86.git/README) >> (I'm not sure what you mean by "allow all hypercalls"; do you mean >> "all features"?) > > I was thinking along the lines of grant hypercalls for mapping another > domU's grants. HVM can't let me do that. But I need to be able to do > this for my work. If you have a kernel driver, then you can use those hypercalls. J