Re: [Xen-devel] [PATCH v3 27/32] libxc: change the position of the special pages

2015-07-23 Thread Roger Pau Monné
El 10/07/15 a les 21.06, Konrad Rzeszutek Wilk ha escrit: > On Fri, Jul 03, 2015 at 05:36:15PM +0200, Roger Pau Monné wrote: >> El 03/07/15 a les 13.35, Roger Pau Monne ha escrit: >>> Change the physical memory address of the special pages when there are no >>> emulated devices. On HVM guests the s

Re: [Xen-devel] [PATCH v3 27/32] libxc: change the position of the special pages

2015-07-10 Thread Konrad Rzeszutek Wilk
On Fri, Jul 03, 2015 at 05:36:15PM +0200, Roger Pau Monné wrote: > El 03/07/15 a les 13.35, Roger Pau Monne ha escrit: > > Change the physical memory address of the special pages when there are no > > emulated devices. On HVM guests the special pages have always been reserved > > so that they end a

Re: [Xen-devel] [PATCH v3 27/32] libxc: change the position of the special pages

2015-07-03 Thread Roger Pau Monné
El 03/07/15 a les 13.35, Roger Pau Monne ha escrit: > Change the physical memory address of the special pages when there are no > emulated devices. On HVM guests the special pages have always been reserved > so that they end at the 0xff000 pfn, but there are some problems with this > approach when

[Xen-devel] [PATCH v3 27/32] libxc: change the position of the special pages

2015-07-03 Thread Roger Pau Monne
Change the physical memory address of the special pages when there are no emulated devices. On HVM guests the special pages have always been reserved so that they end at the 0xff000 pfn, but there are some problems with this approach when used without emulated devices: - If we want to allow HVMli