diff options
| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2020-07-16 06:41:20 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-07-31 01:17:16 +0300 |
| commit | d468d94b7bafa7a2dd9bc72e5f7868469be3f7c4 (patch) | |
| tree | 5bb406f69834e69eedde8e263eaa67757d76c611 /arch/x86/kvm/cpuid.c | |
| parent | f83a4a6932f002701db19f968938ada1289f5e3c (diff) | |
| download | linux-d468d94b7bafa7a2dd9bc72e5f7868469be3f7c4.tar.xz | |
KVM: x86: Dynamically calculate TDP level from max level and MAXPHYADDR
Calculate the desired TDP level on the fly using the max TDP level and
MAXPHYADDR instead of doing the same when CPUID is updated. This avoids
the hidden dependency on cpuid_maxphyaddr() in vmx_get_tdp_level() and
also standardizes the "use 5-level paging iff MAXPHYADDR > 48" behavior
across x86.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200716034122.5998-8-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 7d92854082a1..fa873e3e6e90 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -140,9 +140,7 @@ static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu) vcpu->arch.guest_supported_xcr0 = (best->eax | ((u64)best->edx << 32)) & supported_xcr0; - /* Note, maxphyaddr must be updated before tdp_level. */ vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); - vcpu->arch.tdp_level = kvm_x86_ops.get_tdp_level(vcpu); kvm_mmu_reset_context(vcpu); kvm_pmu_refresh(vcpu); |