qemu-kvm/SOURCES/kvm-i386-cpu-Rename-enable_cpuid_0x1f-to-force_cpuid_0x1.patch

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2.6 KiB
Diff

From 07bba3fcfd6b8eb6e833e7d675be3ccc667423de Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 18 Jul 2025 18:03:49 +0200
Subject: [PATCH 089/115] i386/cpu: Rename enable_cpuid_0x1f to
force_cpuid_0x1f
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit
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: [89/115] d1152aea8e699b1563750d286b41a47d9036429e (bonzini/rhel-qemu-kvm)
The name of "enable_cpuid_0x1f" isn't right to its behavior because the
leaf 0x1f can be enabled even when "enable_cpuid_0x1f" is false.
Rename it to "force_cpuid_0x1f" to better reflect its behavior.
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Link: https://lore.kernel.org/r/20250603050305.1704586-2-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 90d2bbd1f6edfa22a056070ee62ded55099cd56d)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/cpu.h | 4 ++--
target/i386/kvm/tdx.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index 2e73945b28..a08931f969 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -2195,7 +2195,7 @@ struct ArchCPU {
bool enable_cpuid_0xb;
/* Force to enable cpuid 0x1f */
- bool enable_cpuid_0x1f;
+ bool force_cpuid_0x1f;
/* Enable auto level-increase for all CPUID leaves */
bool full_cpuid_auto_level;
@@ -2465,7 +2465,7 @@ void mark_forced_on_features(X86CPU *cpu, FeatureWord w, uint64_t mask,
static inline bool x86_has_cpuid_0x1f(X86CPU *cpu)
{
- return cpu->enable_cpuid_0x1f ||
+ return cpu->force_cpuid_0x1f ||
x86_has_extended_topo(cpu->env.avail_cpu_topo);
}
diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
index 3099e40baa..ca3641441c 100644
--- a/target/i386/kvm/tdx.c
+++ b/target/i386/kvm/tdx.c
@@ -752,7 +752,7 @@ static void tdx_cpu_instance_init(X86ConfidentialGuest *cg, CPUState *cpu)
/* invtsc is fixed1 for TD guest */
object_property_set_bool(OBJECT(cpu), "invtsc", true, &error_abort);
- x86cpu->enable_cpuid_0x1f = true;
+ x86cpu->force_cpuid_0x1f = true;
}
static uint32_t tdx_adjust_cpuid_features(X86ConfidentialGuest *cg,
--
2.50.1