On 04.09.2020 15:52, Andrew Cooper wrote:
> There are multiple bugs with the existing implementation.
>
> On AMD CPUs prior to Zen2, loading a NUL segment selector doesn't clear the
> segment base, which is a problem for 64bit code which typically expects to use
> a NUL %fs/%gs selector.
>
> On a
There are multiple bugs with the existing implementation.
On AMD CPUs prior to Zen2, loading a NUL segment selector doesn't clear the
segment base, which is a problem for 64bit code which typically expects to use
a NUL %fs/%gs selector.
On a context switch from any PV vcpu, to a 64bit PV vcpu wit