On 4/24/20 4:24 PM, Dave Hansen wrote:
On 4/24/20 2:03 PM, Mike Stunes wrote:I needed to allow RDTSC(P) from userspace and in early boot in order to get userspace started properly. Patch below. --- SEV-ES guests will need to execute rdtsc and rdtscp from userspace and during early boot. Move the rdtsc(p) #VC handler into common code and extend the #VC handlers.Do SEV-ES guests _always_ #VC on rdtsc(p)?
Only if the hypervisor is intercepting those instructions. Thanks, Tom
