Re: [PATCH 3/3] KVM: arm64: Failback on unsupported huge page sizes

2020-10-26 Thread Marc Zyngier
On 2020-10-25 23:04, Gavin Shan wrote: Hi Marc, On 10/25/20 9:48 PM, Marc Zyngier wrote: On Sun, 25 Oct 2020 01:27:39 +0100, Gavin Shan wrote: The huge page could be mapped through multiple contiguous PMDs or PTEs. The corresponding huge page sizes aren't supported by the page table

Re: [PATCH 3/3] KVM: arm64: Failback on unsupported huge page sizes

2020-10-25 Thread Gavin Shan
Hi Marc, On 10/25/20 9:48 PM, Marc Zyngier wrote: On Sun, 25 Oct 2020 01:27:39 +0100, Gavin Shan wrote: The huge page could be mapped through multiple contiguous PMDs or PTEs. The corresponding huge page sizes aren't supported by the page table walker currently. This fails the unsupported

Re: [PATCH 3/3] KVM: arm64: Failback on unsupported huge page sizes

2020-10-25 Thread Marc Zyngier
On Sun, 25 Oct 2020 01:27:39 +0100, Gavin Shan wrote: > > The huge page could be mapped through multiple contiguous PMDs or PTEs. > The corresponding huge page sizes aren't supported by the page table > walker currently. > > This fails the unsupported huge page sizes to the near one. Otherwise,

[PATCH 3/3] KVM: arm64: Failback on unsupported huge page sizes

2020-10-24 Thread Gavin Shan
The huge page could be mapped through multiple contiguous PMDs or PTEs. The corresponding huge page sizes aren't supported by the page table walker currently. This fails the unsupported huge page sizes to the near one. Otherwise, the guest can't boot successfully: CONT_PMD_SHIFT and