From a6e707ddbdf150bd1c2a5c0eccc55abdc62a0039 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Fri, 15 Jan 2016 17:41:10 +0000 Subject: [PATCH] KVM: arm/arm64: timer: Switch to CLOCK_MONOTONIC_RAW 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 Cc: Tomasz Nowicki Cc: Christoffer Dall Link: http://lkml.kernel.org/r/1452879670-16133-4-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner --- virt/kvm/arm/arch_timer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 69bca185c471..97c58153f923 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -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; } -- 2.39.5