提交 372b7c1b 编写于 作者: M Mark Rutland 提交者: Christoffer Dall

ARM: KVM: arch_timer: use symbolic constants

In clocksource/arm_arch_timer.h we define useful symbolic constants.
Let's use them to make the KVM arch_timer code clearer.
Signed-off-by: NMark Rutland <mark.rutland@arm.com>
Acked-by: NMarc Zyngier <marc.zyngier@arm.com>
Cc: Christoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: NChristoffer Dall <cdall@cs.columbia.edu>
上级 210552c1
......@@ -22,6 +22,7 @@
#include <linux/kvm_host.h>
#include <linux/interrupt.h>
#include <clocksource/arm_arch_timer.h>
#include <asm/arch_timer.h>
#include <asm/kvm_vgic.h>
......@@ -64,7 +65,7 @@ static void kvm_timer_inject_irq(struct kvm_vcpu *vcpu)
{
struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
timer->cntv_ctl |= 1 << 1; /* Mask the interrupt in the guest */
timer->cntv_ctl |= ARCH_TIMER_CTRL_IT_MASK;
kvm_vgic_inject_irq(vcpu->kvm, vcpu->vcpu_id,
vcpu->arch.timer_cpu.irq->irq,
vcpu->arch.timer_cpu.irq->level);
......@@ -133,8 +134,8 @@ void kvm_timer_sync_hwstate(struct kvm_vcpu *vcpu)
cycle_t cval, now;
u64 ns;
/* Check if the timer is enabled and unmasked first */
if ((timer->cntv_ctl & 3) != 1)
if ((timer->cntv_ctl & ARCH_TIMER_CTRL_IT_MASK) ||
!(timer->cntv_ctl & ARCH_TIMER_CTRL_ENABLE))
return;
cval = timer->cntv_cval;
......
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