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Commit ae97a3b8 authored by Radim Krčmář's avatar Radim Krčmář Committed by Paolo Bonzini
Browse files

KVM: x86: introduce sched_in to kvm_x86_ops



sched_in preempt notifier is available for x86, allow its use in
specific virtualization technlogies as well.

Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent e790d9ef
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+2 −0
Original line number Diff line number Diff line
@@ -771,6 +771,8 @@ struct kvm_x86_ops {
	bool (*mpx_supported)(void);

	int (*check_nested_events)(struct kvm_vcpu *vcpu, bool external_intr);

	void (*sched_in)(struct kvm_vcpu *kvm, int cpu);
};

struct kvm_arch_async_pf {
+6 −0
Original line number Diff line number Diff line
@@ -4305,6 +4305,10 @@ static void svm_handle_external_intr(struct kvm_vcpu *vcpu)
	local_irq_enable();
}

static void svm_sched_in(struct kvm_vcpu *vcpu, int cpu)
{
}

static struct kvm_x86_ops svm_x86_ops = {
	.cpu_has_kvm_support = has_svm,
	.disabled_by_bios = is_disabled,
@@ -4405,6 +4409,8 @@ static struct kvm_x86_ops svm_x86_ops = {

	.check_intercept = svm_check_intercept,
	.handle_external_intr = svm_handle_external_intr,

	.sched_in = svm_sched_in,
};

static int __init svm_init(void)
+6 −0
Original line number Diff line number Diff line
@@ -8848,6 +8848,10 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu,
	return X86EMUL_CONTINUE;
}

void vmx_sched_in(struct kvm_vcpu *vcpu, int cpu)
{
}

static struct kvm_x86_ops vmx_x86_ops = {
	.cpu_has_kvm_support = cpu_has_kvm_support,
	.disabled_by_bios = vmx_disabled_by_bios,
@@ -8952,6 +8956,8 @@ static struct kvm_x86_ops vmx_x86_ops = {
	.mpx_supported = vmx_mpx_supported,

	.check_nested_events = vmx_check_nested_events,

	.sched_in = vmx_sched_in,
};

static int __init vmx_init(void)
+1 −0
Original line number Diff line number Diff line
@@ -7173,6 +7173,7 @@ void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)

void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu)
{
	kvm_x86_ops->sched_in(vcpu, cpu);
}

int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)