[PATCH 60/60] kvm: svm: Advertise full multi-VMPL support to the SNP guest
From: Jörg Rödel
Date: Mon Jun 08 2026 - 11:22:50 EST
From: Tom Lendacky <thomas.lendacky@xxxxxxx>
Indicate full multi-VMPL support to the guest through the GHCB feature
bitmap.
Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
Co-developed-by: Joerg Roedel <joerg.roedel@xxxxxxx>
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
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 528c8bd3e8fc..0736e1c778d9 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -43,7 +43,8 @@
#define GHCB_HV_FT_SUPPORTED (GHCB_HV_FT_SNP | \
GHCB_HV_FT_SNP_AP_CREATION | \
GHCB_HV_FT_SNP_RINJ | \
- GHCB_HV_FT_APIC_ID_LIST)
+ GHCB_HV_FT_APIC_ID_LIST | \
+ GHCB_HV_FT_SNP_MULTI_VMPL)
/*
* The GHCB spec essentially states that all non-zero error codes other than
--
2.53.0