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| author |   Mark Rutland <mark.rutland@arm.com> | 2013-03-27 15:56:11 +0000 |
|---|---|---|
| committer |   Christoffer Dall <cdall@cs.columbia.edu> | 2013-04-28 22:22:57 -0700 |
| commit | 372b7c1bc80510225ca91cba75bc0850a6e16c39 (patch) | |
| tree | d01fcead359a4dc2c4da3d00f9cf064c96182e50 /arch/arm/kvm | |
| parent | ARM: KVM: add support for minimal host vs guest profiling (diff) | |
| download | linux-dev-372b7c1bc80510225ca91cba75bc0850a6e16c39.tar.xz linux-dev-372b7c1bc80510225ca91cba75bc0850a6e16c39.zip | |
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: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Christoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: Christoffer Dall <cdall@cs.columbia.edu>
Diffstat (limited to 'arch/arm/kvm')
| -rw-r--r-- | arch/arm/kvm/arch_timer.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/kvm/arch_timer.c b/arch/arm/kvm/arch_timer.c index 6ac938d46297..c55b6089e923 100644 --- a/arch/arm/kvm/arch_timer.c +++ b/arch/arm/kvm/arch_timer.c @@ -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; |