Re: [PATCH v12 25/29] KVM: SVM: Add module parameter to enable the SEV-SNP

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On 3/29/24 23:58, Michael Roth wrote:
From: Brijesh Singh <brijesh.singh@xxxxxxx>

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@xxxxxxx>
Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx>

Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

  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;

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