linux-kernel - [PATCH 22/45] KVM: x86: Drop kvm_arch_vcpu

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Date:   Mon, 21 Oct 2019 18:59:02 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Marc Zyngier <maz@...nel.org>, James Hogan <jhogan@...nel.org>,
        Paul Mackerras <paulus@...abs.org>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>
Cc:     James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-mips@...r.kernel.org, kvm-ppc@...r.kernel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 22/45] KVM: x86: Drop kvm_arch_vcpu_free()

Remove the superfluous kvm_arch_vcpu_free() as it is no longer called
from commmon KVM code.  Note, kvm_arch_vcpu_destroy() *is* called from
common code, i.e. choosing which function to whack is not completely
arbitrary.

Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
 arch/x86/kvm/x86.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index dfd5c5244a6b..10ee982b214d 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9010,20 +9010,6 @@ static void fx_init(struct kvm_vcpu *vcpu)
 	vcpu->arch.cr0 |= X86_CR0_ET;
 }
 
-void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
-{
-	kvmclock_reset(vcpu);
-
-	kvm_x86_ops->vcpu_free(vcpu);
-
-	kvm_vcpu_uninit(vcpu);
-
-	free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
-	kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu);
-	kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu);
-	kmem_cache_free(kvm_vcpu_cache, vcpu);
-}
-
 struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
 						unsigned int id)
 {
@@ -9097,7 +9083,16 @@ void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)
 
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
 {
-	kvm_arch_vcpu_free(vcpu);
+	kvmclock_reset(vcpu);
+
+	kvm_x86_ops->vcpu_free(vcpu);
+
+	kvm_vcpu_uninit(vcpu);
+
+	free_cpumask_var(vcpu->arch.wbinvd_dirty_mask);
+	kmem_cache_free(x86_fpu_cache, vcpu->arch.user_fpu);
+	kmem_cache_free(x86_fpu_cache, vcpu->arch.guest_fpu);
+	kmem_cache_free(kvm_vcpu_cache, vcpu);
 }
 
 void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
@@ -9497,7 +9492,7 @@ static void kvm_free_vcpus(struct kvm *kvm)
 		kvm_unload_vcpu_mmu(vcpu);
 	}
 	kvm_for_each_vcpu(i, vcpu, kvm)
-		kvm_arch_vcpu_free(vcpu);
+		kvm_arch_vcpu_destroy(vcpu);
 
 	mutex_lock(&kvm->lock);
 	for (i = 0; i < atomic_read(&kvm->online_vcpus); i++)
-- 
2.22.0