Re: [PATCH 00/16] kvm: arm64: Support for dynamic IPA size

2018-02-08 Thread Will Deacon
I can comment on one part here: On Thu, Feb 08, 2018 at 12:18:44PM +0100, Christoffer Dall wrote: > Wasn't this also the decision taken for IOMMU page table allocation, and > why was that the right approach for the IOMMU but not for KVM stage 2 > page tables? Is there room for reuse of the IOMMU

Re: [PATCH 00/16] kvm: arm64: Support for dynamic IPA size

2018-02-08 Thread Christoffer Dall
Hi Suzuki, On Tue, Jan 09, 2018 at 07:03:55PM +, Suzuki K Poulose wrote: > On arm64 we have a static limit of 40bits of physical address space > for the VM with KVM. This series lifts the limitation and allows the > VM to configure the physical address space upto 52bit on systems > where it is

[PATCH 00/16] kvm: arm64: Support for dynamic IPA size

2018-01-09 Thread Suzuki K Poulose
On arm64 we have a static limit of 40bits of physical address space for the VM with KVM. This series lifts the limitation and allows the VM to configure the physical address space upto 52bit on systems where it is supported. We retain the default and minimum size to 40bits to avoid breaking backwar