On 9/24/20 7:49 PM, Stefano Stabellini wrote:
> From: Stefano Stabellini
>
> The VCPUOP_register_runstate_memory_area hypercall takes a virtual
> address of a buffer as a parameter. The semantics of the hypercall are
> such that the virtual address should always be valid.
>
> When KPTI is enabled
Hi,
> On 25 Sep 2020, at 00:49, Stefano Stabellini wrote:
>
> From: Stefano Stabellini
>
> The VCPUOP_register_runstate_memory_area hypercall takes a virtual
> address of a buffer as a parameter. The semantics of the hypercall are
> such that the virtual address should always be valid.
>
> When
From: Stefano Stabellini
The VCPUOP_register_runstate_memory_area hypercall takes a virtual
address of a buffer as a parameter. The semantics of the hypercall are
such that the virtual address should always be valid.
When KPTI is enabled and we are running userspace code, the virtual
address is
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