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: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1f49c86..1703aab 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -4305,6 +4305,10 @@
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 @@
.check_intercept = svm_check_intercept,
.handle_external_intr = svm_handle_external_intr,
+
+ .sched_in = svm_sched_in,
};
static int __init svm_init(void)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 286c283..7c26533 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -8848,6 +8848,10 @@
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 @@
.mpx_supported = vmx_mpx_supported,
.check_nested_events = vmx_check_nested_events,
+
+ .sched_in = vmx_sched_in,
};
static int __init vmx_init(void)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7d43dc7..575d3fc6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7173,6 +7173,7 @@
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)