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KVM: x86: use ktime_get instead of seeking the hrtimer_clock_base 

The base clock for the LAPIC timer is always CLOCK_MONOTONIC.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
zero-colors
Paolo Bonzini 2016-10-25 15:23:49 +02:00
parent 8003c9ae20
commit 5587859fb1
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kvm/lapic.c
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@ -1101,7 +1101,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic)
apic->lapic_timer.period == 0)
return 0;
now = apic->lapic_timer.timer.base->get_time();
now = ktime_get();
remaining = ktime_sub(apic->lapic_timer.target_expiration, now);
if (ktime_to_ns(remaining) < 0)
remaining = ktime_set(0, 0);
@ -1333,7 +1333,7 @@ static void start_sw_tscdeadline(struct kvm_lapic *apic)
local_irq_save(flags);
now = apic->lapic_timer.timer.base->get_time();
now = ktime_get();
guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc());
if (likely(tscdeadline > guest_tsc)) {
ns = (tscdeadline - guest_tsc) * 1000000ULL;
@ -1354,7 +1354,7 @@ static void start_sw_period(struct kvm_lapic *apic)
return;
if (apic_lvtt_oneshot(apic) &&
ktime_after(apic->lapic_timer.timer.base->get_time(),
ktime_after(ktime_get(),
apic->lapic_timer.target_expiration)) {
apic_timer_expired(apic);
return;
@ -1370,7 +1370,7 @@ static bool set_target_expiration(struct kvm_lapic *apic)
ktime_t now;
u64 tscl = rdtsc();
now = apic->lapic_timer.timer.base->get_time();
now = ktime_get();
apic->lapic_timer.period = (u64)kvm_lapic_get_reg(apic, APIC_TMICT)
* APIC_BUS_CYCLE_NS * apic->divide_count;