[PATCH 60/60] kvm: svm: Advertise full multi-VMPL support to the SNP guest
From: Jörg Rödel <joro@8bytes.org>
Date: 2026-06-08 14:43:31
Also in:
kvm, kvm-riscv, kvmarm, linux-mips, lkml, loongarch
Subsystem:
kernel virtual machine for x86 (kvm/x86), the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Sean Christopherson, Paolo Bonzini, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From: Tom Lendacky <thomas.lendacky@amd.com> Indicate full multi-VMPL support to the guest through the GHCB feature bitmap. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Co-developed-by: Joerg Roedel <redacted> Signed-off-by: Joerg Roedel <redacted> --- 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
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2.53.0