Re: [RFC 8/9] arm64/kvm: context-switch PAC registers

2017-04-07 Thread Marc Zyngier
Hi Mark, On 03/04/17 16:19, Mark Rutland wrote: > If we have pointer authentication support, a guest may wish to use it. > This patch adds the infrastructure to allow it to do so. > > This is sufficient for basic testing, but not for real-world usage. A > guest will still see pointer

Re: [RFC 8/9] arm64/kvm: context-switch PAC registers

2017-04-07 Thread Marc Zyngier
Hi Mark, On 03/04/17 16:19, Mark Rutland wrote: > If we have pointer authentication support, a guest may wish to use it. > This patch adds the infrastructure to allow it to do so. > > This is sufficient for basic testing, but not for real-world usage. A > guest will still see pointer

[RFC 8/9] arm64/kvm: context-switch PAC registers

2017-04-03 Thread Mark Rutland
If we have pointer authentication support, a guest may wish to use it. This patch adds the infrastructure to allow it to do so. This is sufficient for basic testing, but not for real-world usage. A guest will still see pointer authentication support advertised in the ID registers, and we will

[RFC 8/9] arm64/kvm: context-switch PAC registers

2017-04-03 Thread Mark Rutland
If we have pointer authentication support, a guest may wish to use it. This patch adds the infrastructure to allow it to do so. This is sufficient for basic testing, but not for real-world usage. A guest will still see pointer authentication support advertised in the ID registers, and we will