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Message-ID: <20231016132819.1002933-44-michael.roth@amd.com>
Date: Mon, 16 Oct 2023 08:28:12 -0500
From: Michael Roth <michael.roth@....com>
To: <kvm@...r.kernel.org>
CC: <linux-coco@...ts.linux.dev>, <linux-mm@...ck.org>,
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Brijesh Singh <brijesh.singh@....com>
Subject: [PATCH v10 43/50] KVM: SVM: Add module parameter to enable the SEV-SNP
From: Brijesh Singh <brijesh.singh@....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@....com>
Signed-off-by: Ashish Kalra <ashish.kalra@....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 f027def3a79e..efe879524b6c 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -62,7 +62,8 @@ static bool sev_es_debug_swap_enabled = true;
module_param_named(debug_swap, sev_es_debug_swap_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);
#else
#define sev_enabled false
#define sev_es_enabled false
--
2.25.1
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