qemu-kvm/SOURCES/kvm-redhat-allow-5-level-paging-for-TDX-VMs.patch

34 lines
1.2 KiB
Diff

From 3cb78d36244833d5e11e88de33bbdbe93a641e16 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
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 <pbonzini@redhat.com>
RH-MergeRequest: 391: TDX support, including attestation and device assignment
RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728
RH-Acked-by: Yash Mankad <None>
RH-Acked-by: Peter Xu <peterx@redhat.com>
RH-Acked-by: David Hildenbrand <david@redhat.com>
RH-Commit: [110/115] dd69bc652e2a735234165832ea4bc674753d7fb7 (bonzini/rhel-qemu-kvm)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
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