From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ryan Harper Subject: Re: adding support for above 2giga to kvm (include patchs) Date: Mon, 13 Aug 2007 15:29:41 -0500 Message-ID: <20070813202941.GB1228@us.ibm.com> References: <64F9B87B6B770947A9F8391472E032160CBECF3E@ehost011-8.exch011.intermedia.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Izik Eidus Return-path: Content-Disposition: inline In-Reply-To: <64F9B87B6B770947A9F8391472E032160CBECF3E-yEcIvxbTEBqsx+V+t5oei8rau4O3wl8o3fe8/T/H7NteoWH0uzbU5w@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 * Izik Eidus [2007-08-12 14:27]: > this is a request for comment for patchs that allow kvm to run with more than 2 giga. > there are 4 patchs. > the first patch(biospatch): is for the bios:now the bios know how to map memory about the 0xf0000000-0xffffffff hole. > > the second patch(qemu_change_types_patch):is for qemu ram_size types:it change the variables that hold the ram_size to unsigned long, > and it is based on patch from the qemu-devel list that targeted sparc. > > the third patch(kvm_userspace_memmap):is for kvm and add to it another memory slot that hold the new memory region. > > the last patch(kvm_new_slot_patch):is for kvmctl, and make it use the new memory region and map memory above 4giga to it. > > i added compiled bios for to make it easy to run it. > > (kvm was tested with 14giga of ram and had no problem to drive win3k and fedora 6 + x ,please note that i tryed in the patch to add support to the qemu emulator to run with above 4 giga as well, > it work without svga, need some work to do there) I can confirm the patches working against kvm-33 with up to 14G guests, tested 32-bit Feisty guest, and 64-bit feisty guest. Both working fine. I'm trying to get on a box with more ram so I can test larger guests. -- Ryan Harper Software Engineer; Linux Technology Center IBM Corp., Austin, Tx (512) 838-9253 T/L: 678-9253 ryanh-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org ------------------------------------------------------------------------- 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/