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Commit 9d9d2239 authored by Avi Kivity's avatar Avi Kivity Committed by Marcelo Tosatti
Browse files

KVM: Simplify kvm_pit_timer 



'timer_mode_mask' is unused
'tscdeadline' is unused
't_ops' only adds needless indirection
'vcpu' is unused

Remove.

Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 2a6eac96

arch/x86/kvm/i8254.c

+1 −13
Original line number Diff line number Diff line
@@ -272,17 +272,6 @@ static void destroy_pit_timer(struct kvm_pit *pit) 
	flush_kthread_work(&pit->expired);

}



static bool kpit_is_periodic(struct kvm_pit_timer *ktimer)

{

	struct kvm_kpit_state *ps = container_of(ktimer, struct kvm_kpit_state,

						 pit_timer);

	return ps->is_periodic;

}



static struct kvm_pit_timer_ops kpit_ops = {

	.is_periodic = kpit_is_periodic,

};



static void pit_do_work(struct kthread_work *work)

{

	struct kvm_pit *pit = container_of(work, struct kvm_pit, expired);
@@ -330,7 +319,7 @@ static enum hrtimer_restart pit_timer_fn(struct hrtimer *data) 
		queue_kthread_work(&pt->worker, &pt->expired);

	}



	if (ktimer->t_ops->is_periodic(ktimer)) {

	if (pt->pit_state.is_periodic) {

		hrtimer_add_expires_ns(&ktimer->timer, ktimer->period);

		return HRTIMER_RESTART;

	} else
@@ -357,7 +346,6 @@ static void create_pit_timer(struct kvm *kvm, u32 val, int is_period) 
	ps->is_periodic = is_period;



	pt->timer.function = pit_timer_fn;

	pt->t_ops = &kpit_ops;

	pt->kvm = ps->pit->kvm;



	atomic_set(&pt->pending, 0);

arch/x86/kvm/i8254.h

+0 −8
Original line number Diff line number Diff line
@@ -24,17 +24,9 @@ struct kvm_kpit_channel_state { 
struct kvm_pit_timer {

	struct hrtimer timer;

	s64 period; 				/* unit: ns */

	u32 timer_mode_mask;

	u64 tscdeadline;

	atomic_t pending;			/* accumulated triggered timers */

	bool reinject;

	struct kvm_pit_timer_ops *t_ops;

	struct kvm *kvm;

	struct kvm_vcpu *vcpu;

};



struct kvm_pit_timer_ops {

	bool (*is_periodic)(struct kvm_pit_timer *);

};



struct kvm_kpit_state {