From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hollis Blanchard Subject: Re: [kvm-ppc-devel] RFC/patch portability: split kvm_vm_ioctl v2 Date: Thu, 25 Oct 2007 15:51:05 -0500 Message-ID: <1193345465.28279.47.camel@basalt> References: <1192192452.7630.16.camel@cotte.boeblingen.de.ibm.com> <1193327325.8345.9.camel@cotte.boeblingen.de.ibm.com> <1193327326.3284.2.camel@izike-woof.qumranet.com> <1193329322.28279.21.camel@basalt> <472114B6.6080000@qumranet.com> Reply-To: Hollis Blanchard Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: "kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org" , Carsten Otte , kvm-ppc-devel , "Zhang, Xiantao" To: Izik Eidus Return-path: In-Reply-To: <472114B6.6080000-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 List-Id: kvm.vger.kernel.org On Fri, 2007-10-26 at 00:12 +0200, Izik Eidus wrote: > ok i was thinking, > maybe we can rewrite the way kvm hold memory so more code would be shared, > lets say we throw away all the slots and arch depended stuff, and we let kvm > just hold the userspace allocated memory address, With that approach, how would you create a sparse (guest physical) memory map in userspace? I guess you would need to use repeated mmap(MAP_FIXED), and that's starting to look very brittle. -- Hollis Blanchard IBM Linux Technology Center ------------------------------------------------------------------------- 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/