35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
From bf3e2ead4f851f66ab1c9ce5cd13d8a73267dce4 Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Fri, 18 Jul 2025 18:03:50 +0200
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Subject: [PATCH] redhat: allow 5-level paging for TDX VMs
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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RH-MergeRequest: 391: TDX support, including attestation and device assignment
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RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728
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RH-Acked-by: Yash Mankad <None>
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Commit: [110/115] dd69bc652e2a735234165832ea4bc674753d7fb7 (bonzini/rhel-qemu-kvm)
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Patch-name: kvm-redhat-allow-5-level-paging-for-TDX-VMs.patch
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Patch-id: 387
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Patch-present-in-specfile: True
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---
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target/i386/kvm/tdx.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
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index dbf0fa2c91..91fe19b7d4 100644
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--- a/target/i386/kvm/tdx.c
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+++ b/target/i386/kvm/tdx.c
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@@ -754,6 +754,7 @@ static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu)
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}
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object_property_set_bool(OBJECT(cpu), "pmu", false, &error_abort);
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+ object_property_set_int(OBJECT(cpu), "host-phys-bits-limit", 0, &error_abort);
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/* invtsc is fixed1 for TD guest */
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object_property_set_bool(OBJECT(cpu), "invtsc", true, &error_abort);
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