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KVM: arm/arm64: timer: Switch to CLOCK_MONOTONIC_RAW

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In order to avoid NTP messing with the guest timer behind our back,
use the new and improved monotonic raw version of the hrtimers.

Signed-off-by: Marc Zyngier <[email protected]>
Cc: Tomasz Nowicki <[email protected]>
Cc: Christoffer Dall <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Marc Zyngier authored and Thomas Gleixner committed 2016-01-27 12:38:04 +01:00
1 parent 9006a01829
commit a6e707ddbd
1 file changed
+2 -2
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virt/kvm/arm/arch_timer.c
+2 -2
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@@ -48,7 +48,7 @@ static bool timer_is_armed(struct arch_timer_cpu *timer)
static void timer_arm(struct arch_timer_cpu *timer, u64 ns)
{
timer->armed = true;
hrtimer_start(&timer->timer, ktime_add_ns(ktime_get(), ns),
hrtimer_start(&timer->timer, ktime_add_ns(ktime_get_raw(), ns),
HRTIMER_MODE_ABS);
}
@@ -308,7 +308,7 @@ void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu)
struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
INIT_WORK(&timer->expired, kvm_timer_inject_irq_work);
hrtimer_init(&timer->timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
hrtimer_init(&timer->timer, CLOCK_MONOTONIC_RAW, HRTIMER_MODE_ABS);
timer->timer.function = kvm_timer_expire;
}