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    Subject[PULL 16/19] KVM: SVM: Add module parameter to enable SEV-SNP
    Date
    From: Brijesh Singh <brijesh.singh@amd.com>

    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 <brijesh.singh@amd.com>
    Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
    Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
    Message-ID: <20240501085210.2213060-18-michael.roth@amd.com>
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
    ---
    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 2b88ae9a4f48..eb397ec22a47 100644
    --- a/arch/x86/kvm/svm/sev.c
    +++ b/arch/x86/kvm/svm/sev.c
    @@ -49,7 +49,8 @@ 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;
    --
    2.25.1

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