KVM: MIPS: Use kvm_vcpu_cache to allocate vCPUs
authorSean Christopherson <sean.j.christopherson@intel.com>
Wed, 18 Dec 2019 21:55:01 +0000 (13:55 -0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 24 Jan 2020 08:19:01 +0000 (09:19 +0100)
For reasons unknown, MIPS configures the vCPU allocation cache but
allocates vCPUs via kzalloc().  Allocate from the vCPU cache in
preparation for moving vCPU allocation to common KVM code.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/mips/kvm/mips.c

index 1109924..5f98577 100644 (file)
@@ -286,7 +286,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
        void *gebase, *p, *handler, *refill_start, *refill_end;
        int i;
 
-       struct kvm_vcpu *vcpu = kzalloc(sizeof(struct kvm_vcpu), GFP_KERNEL);
+       struct kvm_vcpu *vcpu = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL);
 
        if (!vcpu) {
                err = -ENOMEM;
@@ -401,7 +401,7 @@ out_uninit_cpu:
        kvm_vcpu_uninit(vcpu);
 
 out_free_cpu:
-       kfree(vcpu);
+       kmem_cache_free(kvm_vcpu_cache, vcpu);
 
 out:
        return ERR_PTR(err);
@@ -418,7 +418,7 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
        kvm_mmu_free_memory_caches(vcpu);
        kfree(vcpu->arch.guest_ebase);
        kfree(vcpu->arch.kseg0_commpage);
-       kfree(vcpu);
+       kmem_cache_free(kvm_vcpu_cache, vcpu);
 }
 
 void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)