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KVM: arm/arm64: Rename soft timer to bg_timer

Browse source 
As we are about to introduce a separate hrtimer for the physical timer,
call this timer bg_timer, because we refer to this timer as the
background timer in the code and comments elsewhere.

Signed-off-by: Christoffer Dall <cdall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Christoffer Dall 2017-06-17 07:33:02 -07:00 committed by Christoffer Dall
parent 8409a06f2a
commit 14d61fa98f
2 changed files with 10 additions and 10 deletions
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2
include/kvm/arm_arch_timer.h
View file

@ -43,7 +43,7 @@ struct arch_timer_cpu {
struct arch_timer_context ptimer;
/* Background timer used when the guest is not running */
struct hrtimer timer;
struct hrtimer bg_timer;
/* Work queued with the above timer expires */
struct work_struct expired;

18
virt/kvm/arm/arch_timer.c
View file

@ -148,13 +148,13 @@ static u64 kvm_timer_earliest_exp(struct kvm_vcpu *vcpu)
return min(min_virt, min_phys);
}
static enum hrtimer_restart kvm_timer_expire(struct hrtimer *hrt)
static enum hrtimer_restart kvm_bg_timer_expire(struct hrtimer *hrt)
{
struct arch_timer_cpu *timer;
struct kvm_vcpu *vcpu;
u64 ns;
timer = container_of(hrt, struct arch_timer_cpu, timer);
timer = container_of(hrt, struct arch_timer_cpu, bg_timer);
vcpu = container_of(timer, struct kvm_vcpu, arch.timer_cpu);
/*
@ -261,7 +261,7 @@ static void kvm_timer_emulate(struct kvm_vcpu *vcpu,
return;
/* The timer has not yet expired, schedule a background timer */
soft_timer_start(&timer->timer, kvm_timer_compute_delta(timer_ctx));
soft_timer_start(&timer->bg_timer, kvm_timer_compute_delta(timer_ctx));
}
/*
@ -294,14 +294,14 @@ void kvm_timer_schedule(struct kvm_vcpu *vcpu)
* The guest timers have not yet expired, schedule a background timer.
* Set the earliest expiration time among the guest timers.
*/
soft_timer_start(&timer->timer, kvm_timer_earliest_exp(vcpu));
soft_timer_start(&timer->bg_timer, kvm_timer_earliest_exp(vcpu));
}
void kvm_timer_unschedule(struct kvm_vcpu *vcpu)
{
struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
soft_timer_cancel(&timer->timer, &timer->expired);
soft_timer_cancel(&timer->bg_timer, &timer->expired);
}
static void kvm_timer_flush_hwstate_vgic(struct kvm_vcpu *vcpu)
@ -437,7 +437,7 @@ void kvm_timer_sync_hwstate(struct kvm_vcpu *vcpu)
* This is to cancel the background timer for the physical timer
* emulation if it is set.
*/
soft_timer_cancel(&timer->timer, &timer->expired);
soft_timer_cancel(&timer->bg_timer, &timer->expired);
/*
* The guest could have modified the timer registers or the timer
@ -494,8 +494,8 @@ void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu)
vcpu_ptimer(vcpu)->cntvoff = 0;
INIT_WORK(&timer->expired, kvm_timer_inject_irq_work);
hrtimer_init(&timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
timer->timer.function = kvm_timer_expire;
hrtimer_init(&timer->bg_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
timer->bg_timer.function = kvm_bg_timer_expire;
vtimer->irq.irq = default_vtimer_irq.irq;
ptimer->irq.irq = default_ptimer_irq.irq;
@ -604,7 +604,7 @@ void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu)
struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
struct arch_timer_context *vtimer = vcpu_vtimer(vcpu);
soft_timer_cancel(&timer->timer, &timer->expired);
soft_timer_cancel(&timer->bg_timer, &timer->expired);
kvm_vgic_unmap_phys_irq(vcpu, vtimer->irq.irq);
}