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

On 1/2/19 2:56 PM, David Rientjes wrote:
> 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 <>
> Signed-off-by: David Rientjes <>

Thanks for the patch. Looks good.

Reviewed-by: Brijesh Singh <>

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