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KVM: add kvm_arch_sched_in
Introduce preempt notifiers for architecture specific code. Advantage over creating a new notifier in every arch is slightly simpler code and guaranteed call order with respect to kvm_sched_in. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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parent
6689fbe3cf
commit
e790d9ef64
arch
include/linux
virt/kvm
@ -288,6 +288,10 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
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{
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}
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
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{
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}
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void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
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{
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vcpu->cpu = cpu;
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@ -1002,6 +1002,10 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
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{
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}
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
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{
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}
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int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
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struct kvm_translation *tr)
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{
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@ -720,6 +720,10 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
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kvmppc_subarch_vcpu_uninit(vcpu);
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}
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
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{
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}
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void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
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{
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#ifdef CONFIG_BOOKE
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@ -555,6 +555,10 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
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/* Nothing todo */
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}
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
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{
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}
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void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
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{
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save_fp_ctl(&vcpu->arch.host_fpregs.fpc);
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@ -7171,6 +7171,10 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
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static_key_slow_dec(&kvm_no_apic_vcpu);
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}
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
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{
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}
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int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
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{
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if (type)
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@ -624,6 +624,8 @@ void kvm_arch_exit(void);
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int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu);
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void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu);
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void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu);
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void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu);
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void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
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void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu);
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@ -3124,6 +3124,8 @@ static void kvm_sched_in(struct preempt_notifier *pn, int cpu)
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if (vcpu->preempted)
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vcpu->preempted = false;
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kvm_arch_sched_in(vcpu, cpu);
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kvm_arch_vcpu_load(vcpu, cpu);
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}
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