Re: [PATCH] KVM: arm64: Prevent mixed-width VM creation

2021-05-20 Thread Mark Rutland
On Thu, May 20, 2021 at 01:58:55PM +0100, Marc Zyngier wrote: > On Thu, 20 May 2021 13:44:34 +0100, > Mark Rutland wrote: > > > > On Thu, May 20, 2021 at 01:22:53PM +0100, Marc Zyngier wrote: > > > It looks like we have tolerated creating mixed-width VMs since... > > > forever. However, that was

Re: [PATCH] KVM: arm64: Prevent mixed-width VM creation

2021-05-20 Thread Marc Zyngier
On Thu, 20 May 2021 13:44:34 +0100, Mark Rutland wrote: > > On Thu, May 20, 2021 at 01:22:53PM +0100, Marc Zyngier wrote: > > It looks like we have tolerated creating mixed-width VMs since... > > forever. However, that was never the intention, and we'd rather > > not have to support that

Re: [PATCH] KVM: arm64: Prevent mixed-width VM creation

2021-05-20 Thread Mark Rutland
On Thu, May 20, 2021 at 01:22:53PM +0100, Marc Zyngier wrote: > It looks like we have tolerated creating mixed-width VMs since... > forever. However, that was never the intention, and we'd rather > not have to support that pointless complexity. > > Forbid such a setup by making sure all the vcpus

[PATCH] KVM: arm64: Prevent mixed-width VM creation

2021-05-20 Thread Marc Zyngier
It looks like we have tolerated creating mixed-width VMs since... forever. However, that was never the intention, and we'd rather not have to support that pointless complexity. Forbid such a setup by making sure all the vcpus have the same register width. Reported-by: Steven Price