diff mbox series

[RFC,8/9] KVM:x86: Substitute kvm_vcpu_after_set_cpuid() with abstracted functions

Message ID 1596163347-18574-9-git-send-email-robert.hu@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series Split kvm_update_cpuid_runtime() | expand

Commit Message

Robert Hoo July 31, 2020, 2:42 a.m. UTC 
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
---
 arch/x86/kvm/cpuid.c | 26 +++++---------------------
 1 file changed, 5 insertions(+), 21 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index efa7182..1d206aa 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -217,32 +217,16 @@  void kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu)
 
 static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
 {
-	struct kvm_lapic *apic = vcpu->arch.apic;
-	struct kvm_cpuid_entry2 *best;
-
 	kvm_x86_ops.vcpu_after_set_cpuid(vcpu);
 
-	best = kvm_find_cpuid_entry(vcpu, 1, 0);
-	if (best && apic) {
-		if (cpuid_entry_has(best, X86_FEATURE_TSC_DEADLINE_TIMER))
-			apic->lapic_timer.timer_mode_mask = 3 << 17;
-		else
-			apic->lapic_timer.timer_mode_mask = 1 << 17;
+	kvm_update_lapic_timer_mode(vcpu);
+	kvm_apic_set_version(vcpu);
 
-		kvm_apic_set_version(vcpu);
-	}
+	kvm_xcr0_update_cpuid(vcpu);
 
-	best = kvm_find_cpuid_entry(vcpu, 0xD, 0);
-	if (!best)
-		vcpu->arch.guest_supported_xcr0 = 0;
-	else
-		vcpu->arch.guest_supported_xcr0 =
-			(best->eax | ((u64)best->edx << 32)) & supported_xcr0;
+	kvm_update_maxphyaddr(vcpu);
 
-	/* 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_pv_unhalt_update_cpuid(vcpu);
 
 	kvm_pmu_refresh(vcpu);
 	vcpu->arch.cr4_guest_rsvd_bits =