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authorMark Rutland <mark.rutland@arm.com>2013-03-27 15:56:11 (GMT)
committerChristoffer Dall <cdall@cs.columbia.edu>2013-04-29 05:22:57 (GMT)
commit372b7c1bc80510225ca91cba75bc0850a6e16c39 (patch)
treed01fcead359a4dc2c4da3d00f9cf064c96182e50 /arch/arm
parent210552c1bfe83122a480673660d5ca9821c944ae (diff)
downloadlinux-fsl-qoriq-372b7c1bc80510225ca91cba75bc0850a6e16c39.tar.xz
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')
-rw-r--r--arch/arm/kvm/arch_timer.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/kvm/arch_timer.c b/arch/arm/kvm/arch_timer.c
index 6ac938d..c55b608 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;