>>> On 14.03.19 at 13:50, <[email protected]> wrote:
> When issuing a vcpu_op hypercall, guests have control over the
> vcpuid variable. In the old code, this allowed to perform
> speculative out-of-bound accesses. To block this, we make use
> of the domain_vcpu function.
> 
> This is part of the speculative hardening effort.
> 
> Signed-off-by: Norbert Manthey <[email protected]>

Reviewed-by: Jan Beulich <[email protected]>



_______________________________________________
Xen-devel mailing list
[email protected]
https://lists.xenproject.org/mailman/listinfo/xen-devel

Reply via email to