C++ (Cpp) trace_kvm_wfx_arm64 Exemples

Exemple #1

Fichier : handle_exit.c Projet : 0-T-0/ps4-linux

/**
 * kvm_handle_wfx - handle a wait-for-interrupts or wait-for-event
 *		    instruction executed by a guest
 *
 * @vcpu:	the vcpu pointer
 *
 * WFE: Yield the CPU and come back to this vcpu when the scheduler
 * decides to.
 * WFI: Simply call kvm_vcpu_block(), 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_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
	if (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WFx_ISS_WFE) {
		trace_kvm_wfx_arm64(*vcpu_pc(vcpu), true);
		kvm_vcpu_on_spin(vcpu);
	} else {
		trace_kvm_wfx_arm64(*vcpu_pc(vcpu), false);
		kvm_vcpu_block(vcpu);
	}

	kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));

	return 1;
}

Exemple #2

Fichier : handle_exit.c Projet : KrioAngel/linux

/**
 * kvm_handle_wfx - handle a wait-for-interrupts or wait-for-event
 *		    instruction executed by a guest
 *
 * @vcpu:	the vcpu pointer
 *
 * WFE: Yield the CPU and come back to this vcpu when the scheduler
 * decides to.
 * WFI: Simply call kvm_vcpu_block(), 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_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
	if (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WFx_ISS_WFE) {
		trace_kvm_wfx_arm64(*vcpu_pc(vcpu), true);
		vcpu->stat.wfe_exit_stat++;
		kvm_vcpu_on_spin(vcpu, vcpu_mode_priv(vcpu));
	} else {
		trace_kvm_wfx_arm64(*vcpu_pc(vcpu), false);
		vcpu->stat.wfi_exit_stat++;
		kvm_vcpu_block(vcpu);
		kvm_clear_request(KVM_REQ_UNHALT, vcpu);
	}

	kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));

	return 1;
}