Re: adding support for above 2giga to kvm (include patchs)

[Ryan Harper <ryanh-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>]

* Ryan Harper <ryanh-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> [2007-08-13 15:29]:
> * Izik Eidus <izik.eidus-atKUWr5tajBWk0Htik3J/w@public.gmane.org> [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.

I can confirm 32G x86_64 feisty guest boots and reports 32G of ram.
Good work.


-- 
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

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