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KVM: x86: Inline kvm_get_apic_mode() in lapic.h

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Inline kvm_get_apic_mode() in lapic.h to avoid a CALL+RET as well as an
export.  The underlying kvm_apic_mode() helper is public information, i.e.
there is no state/information that needs to be hidden from vendor modules.

No functional change intended.

Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://lore.kernel.org/r/20241009181742.1128779-5-seanjc@google.com
Link: https://lore.kernel.org/r/20241101183555.1794700-5-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2024-11-01 11:35:50 -07:00
parent d91060e342
commit adfec1f459
2 changed files with 5 additions and 7 deletions
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6
arch/x86/kvm/lapic.h
View File

@ -120,7 +120,6 @@ void kvm_apic_send_ipi(struct kvm_lapic *apic, u32 icr_low, u32 icr_high);
int kvm_set_apic_base(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
int kvm_apic_get_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s);
int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s);
enum lapic_mode kvm_get_apic_mode(struct kvm_vcpu *vcpu);
int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu);
u64 kvm_get_lapic_tscdeadline_msr(struct kvm_vcpu *vcpu);
@ -270,6 +269,11 @@ static inline enum lapic_mode kvm_apic_mode(u64 apic_base)
return apic_base & (MSR_IA32_APICBASE_ENABLE | X2APIC_ENABLE);
}
static inline enum lapic_mode kvm_get_apic_mode(struct kvm_vcpu *vcpu)
{
return kvm_apic_mode(vcpu->arch.apic_base);
}
static inline u8 kvm_xapic_id(struct kvm_lapic *apic)
{
return kvm_lapic_get_reg(apic, APIC_ID) >> 24;

6
arch/x86/kvm/x86.c
View File

@ -668,12 +668,6 @@ static void drop_user_return_notifiers(void)
kvm_on_user_return(&msrs->urn);
}
enum lapic_mode kvm_get_apic_mode(struct kvm_vcpu *vcpu)
{
return kvm_apic_mode(vcpu->arch.apic_base);
}
EXPORT_SYMBOL_GPL(kvm_get_apic_mode);
int kvm_set_apic_base(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
{
enum lapic_mode old_mode = kvm_get_apic_mode(vcpu);