On 3/29/24 23:58, Michael Roth wrote:
> From: Brijesh Singh <[email protected]>
>
> Add a module parameter than can be used to enable or disable the SEV-SNP
> feature. Now that KVM contains the support for the SNP set the GHCB
> hypervisor feature flag to indicate that SNP is supported.
>
> Signed-off-by: Brijesh Singh <[email protected]>
> Signed-off-by: Ashish Kalra <[email protected]>
Reviewed-by: Paolo Bonzini <[email protected]>
> ---
> arch/x86/kvm/svm/sev.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
> index 3e8de7cb3c89..658116537f3f 100644
> --- a/arch/x86/kvm/svm/sev.c
> +++ b/arch/x86/kvm/svm/sev.c
> @@ -48,7 +48,8 @@ static bool sev_es_enabled = true;
> module_param_named(sev_es, sev_es_enabled, bool, 0444);
>
> /* enable/disable SEV-SNP support */
> -static bool sev_snp_enabled;
> +static bool sev_snp_enabled = true;
> +module_param_named(sev_snp, sev_snp_enabled, bool, 0444);
>
> /* enable/disable SEV-ES DebugSwap support */
> static bool sev_es_debug_swap_enabled = true;