ARM: KVM: move kvm_handle_wfi to handle_exit.c
It has little to do in emulate.c these days...
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/arch/arm/kvm/handle_exit.c b/arch/arm/kvm/handle_exit.c
index 3013018..26ad1731 100644
--- a/arch/arm/kvm/handle_exit.c
+++ b/arch/arm/kvm/handle_exit.c
@@ -22,6 +22,9 @@
#include <asm/kvm_coproc.h>
#include <asm/kvm_mmu.h>
#include <asm/kvm_psci.h>
+#include <trace/events/kvm.h>
+
+#include "trace.h"
#include "trace.h"
@@ -72,6 +75,22 @@
return -EFAULT;
}
+/**
+ * kvm_handle_wfi - handle a wait-for-interrupts instruction executed by a guest
+ * @vcpu: the vcpu pointer
+ * @run: the kvm_run structure pointer
+ *
+ * Simply sets the wait_for_interrupts flag on the vcpu structure, which will
+ * halt execution of world-switches and schedule other host processes until
+ * there is an incoming IRQ or FIQ to the VM.
+ */
+static int kvm_handle_wfi(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ trace_kvm_wfi(*vcpu_pc(vcpu));
+ kvm_vcpu_block(vcpu);
+ return 1;
+}
+
static exit_handle_fn arm_exit_handlers[] = {
[HSR_EC_WFI] = kvm_handle_wfi,
[HSR_EC_CP15_32] = kvm_handle_cp15_32,