Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH v4 5/5] KVM: SVM: Increase supported GHCB protocol version | Date | Wed, 29 Sep 2021 17:53:30 +0200 |
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From: Brijesh Singh <brijesh.singh@amd.com>
Now that KVM has basic support for version 2 of the GHCB specification, bump the maximum supported protocol version. The SNP specific functions are still missing, but those are only required when the Hypervisor supports running SNP guests.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> --- arch/x86/kvm/svm/sev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 22523ec08a7b..d2e03dc72558 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -2394,7 +2394,7 @@ static u64 ghcb_msr_cpuid_resp(u64 reg, u64 value) } /* The min/max GHCB version supported by KVM. */ -#define GHCB_VERSION_MAX 1ULL +#define GHCB_VERSION_MAX 2ULL #define GHCB_VERSION_MIN 1ULL static u64 ghcb_msr_version_info(void) -- 2.33.0
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