linux-kernel - [PATCH] KVM: x86: Simplify kvm_apic_hw

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Message-ID: <CAPm50aJ=BLXNWT11+j36Dd6d7nz2JmOBk4u7o_NPQ0N61ODu1g@mail.gmail.com>
Date:   Tue, 6 Dec 2022 17:20:15 +0800
From:   Hao Peng <flyingpenghao@...il.com>
To:     pbonzini@...hat.com
Cc:     kvm@...r.kernel.org, Sean Christopherson <seanjc@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] KVM: x86: Simplify kvm_apic_hw_enabled

From: Peng Hao <flyingpeng@...cent.com>

kvm_apic_hw_enabled() only needs to return bool, there is no place
to use the return value of MSR_IA32_APICBASE_ENABLE.

Signed-off-by: Peng Hao <flyingpeng@...cent.com>
---
 arch/x86/kvm/lapic.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 28e3769066e2..58c3242fcc7a 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -188,11 +188,11 @@ static inline bool lapic_in_kernel(struct kvm_vcpu *vcpu)

 extern struct static_key_false_deferred apic_hw_disabled;

-static inline int kvm_apic_hw_enabled(struct kvm_lapic *apic)
+static inline bool kvm_apic_hw_enabled(struct kvm_lapic *apic)
 {
        if (static_branch_unlikely(&apic_hw_disabled.key))
                return apic->vcpu->arch.apic_base & MSR_IA32_APICBASE_ENABLE;
-       return MSR_IA32_APICBASE_ENABLE;
+       return true;
 }

 extern struct static_key_false_deferred apic_sw_disabled;
--
2.27.0