Re: [patch] kvm: sev: Fail KVM_SEV_INIT if already initialized

Radim Krčmář
2019-01-11T13:50:34Z

2019-01-02 12:56-0800, David Rientjes:
> By code inspection, it was found that multiple calls to KVM_SEV_INIT
> could deplete asid bits and overwrite kvm_sev_info's regions_list.
>
> Multiple calls to KVM_SVM_INIT is not likely to occur with QEMU, but this
> should likely be fixed anyway.
>
> This code is serialized by kvm->lock.
>
> Fixes: 1654efcbc431 ("KVM: SVM: Add KVM_SEV_INIT command")
> Reported-by: Cfir Cohen <cfir@google.com>
> Signed-off-by: David Rientjes <rientjes@google.com>
> ---

Applied, thanks.