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[v3,12/57] KVM: x86: Drop now-redundant MAXPHYADDR and GPA rsvd bits from vCPU creation

Message ID 20241128013424.4096668-13-seanjc@google.com (mailing list archive)
State New
Headers show
Series KVM: x86: CPUID overhaul, fixes, and caching | expand

Commit Message

Sean Christopherson Nov. 28, 2024, 1:33 a.m. UTC 
Drop the manual initialization of maxphyaddr and reserved_gpa_bits during
vCPU creation now that kvm_arch_vcpu_create() unconditionally invokes
kvm_vcpu_after_set_cpuid(), which handles all such CPUID caching.

None of the helpers between the existing code in kvm_arch_vcpu_create()
and the call to kvm_vcpu_after_set_cpuid() consume maxphyaddr or
reserved_gpa_bits (though auditing vmx_vcpu_create() and svm_vcpu_create()
isn't exactly easy).

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/kvm/x86.c | 3 ---
 1 file changed, 3 deletions(-)
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Patch

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5c6ade1f976e..d6a182d94c6f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -12258,9 +12258,6 @@  int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 		goto free_emulate_ctxt;
 	}
 
-	vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
-	vcpu->arch.reserved_gpa_bits = kvm_vcpu_reserved_gpa_bits_raw(vcpu);
-
 	kvm_async_pf_hash_reset(vcpu);
 
 	if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_STUFF_FEATURE_MSRS)) {