On Thu, Jun 04, 2020 at 02:33:53PM +0100, Marc Zyngier wrote:
> The current way we deal with PtrAuth is a bit heavy handed:
>
> - We forcefully save the host's keys on each vcpu_load()
> - Handling the PtrAuth trap forces us to go all the way back
> to the exit handling code to just set the HCR
The current way we deal with PtrAuth is a bit heavy handed:
- We forcefully save the host's keys on each vcpu_load()
- Handling the PtrAuth trap forces us to go all the way back
to the exit handling code to just set the HCR bits
Overall, this is pretty heavy handed. A better approach would be
