Re: [Qemu-devel] [RFC 2/4] spapr: Adjust placement of PCI host bridge to allow > 1TiB RAM

2016-10-06 Thread Laurent Vivier
On 06/10/2016 05:03, David Gibson wrote: > Currently the default PCI host bridge for the 'pseries' machine type is > constructed with its IO windows in the 1TiB..(1TiB + 64GiB) range in > guest memory space. This means that if > 1TiB of guest RAM is specified, > the RAM will collide with the

Re: [Qemu-devel] [RFC 2/4] spapr: Adjust placement of PCI host bridge to allow > 1TiB RAM

2016-10-06 Thread David Gibson
On Thu, Oct 06, 2016 at 09:21:56AM +0200, Laurent Vivier wrote: > > > On 06/10/2016 05:03, David Gibson wrote: > > Currently the default PCI host bridge for the 'pseries' machine type is > > constructed with its IO windows in the 1TiB..(1TiB + 64GiB) range in > > guest memory space. This means

Re: [Qemu-devel] [RFC 2/4] spapr: Adjust placement of PCI host bridge to allow > 1TiB RAM

2016-10-06 Thread Laurent Vivier
On 06/10/2016 05:03, David Gibson wrote: > Currently the default PCI host bridge for the 'pseries' machine type is > constructed with its IO windows in the 1TiB..(1TiB + 64GiB) range in > guest memory space. This means that if > 1TiB of guest RAM is specified, > the RAM will collide with the

[Qemu-devel] [RFC 2/4] spapr: Adjust placement of PCI host bridge to allow > 1TiB RAM

2016-10-05 Thread David Gibson
Currently the default PCI host bridge for the 'pseries' machine type is constructed with its IO windows in the 1TiB..(1TiB + 64GiB) range in guest memory space. This means that if > 1TiB of guest RAM is specified, the RAM will collide with the PCI IO windows, causing serious problems. Problems