From 3cb78d36244833d5e11e88de33bbdbe93a641e16 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 18 Jul 2025 18:03:50 +0200 Subject: [PATCH 110/115] redhat: allow 5-level paging for TDX VMs RH-Author: Paolo Bonzini RH-MergeRequest: 391: TDX support, including attestation and device assignment RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728 RH-Acked-by: Yash Mankad RH-Acked-by: Peter Xu RH-Acked-by: David Hildenbrand RH-Commit: [110/115] dd69bc652e2a735234165832ea4bc674753d7fb7 (bonzini/rhel-qemu-kvm) Signed-off-by: Paolo Bonzini --- target/i386/kvm/tdx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index 2ff5211794..e65b1727cf 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -754,6 +754,7 @@ static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu) } object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort); + object_property_set_int(OBJECT(cpu), "host-phys-bits-limit", 0, &error_abort); /* invtsc is fixed1 for TD guest */ object_property_set_bool(OBJECT(cpu), "invtsc", true, &error_abort); -- 2.50.1