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authorPaolo Bonzini <pbonzini@redhat.com>2016-10-25 15:23:49 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2016-11-02 21:32:17 +0100
commit5587859fb1e8bea5e3b8a0ab7866526ad7d1d673 (patch)
treee502e3a39eff934c27ee5f2374309f17ff1793c6 /arch
parent8003c9ae204e21204e49816c5ea629357e283b06 (diff)
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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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/lapic.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index d1a2e60a1ef6..6acd76b7e71d 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -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;