Re: [PATCHv2] arm64/kvm: Prohibit guest LOR accesses

2018-02-14 Thread Christoffer Dall
On Tue, Feb 13, 2018 at 01:39:23PM +, Mark Rutland wrote: > We don't currently limit guest accesses to the LOR registers, which we > neither virtualize nor context-switch. As such, guests are provided with > unusable information/controls, and are not isolated from each other (or > the host). >

[PATCHv2] arm64/kvm: Prohibit guest LOR accesses

2018-02-13 Thread Mark Rutland
We don't currently limit guest accesses to the LOR registers, which we neither virtualize nor context-switch. As such, guests are provided with unusable information/controls, and are not isolated from each other (or the host). To prevent these issues, we can trap register accesses and present the