diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-10-08 10:55:03 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-11-09 16:21:49 -0800 |
| commit | c66415b2216cebf6625a2ab01c347a2fc329671a (patch) | |
| tree | 00a7cd42ac5b4a24bda7af05e5d268152c2fb8c7 /arch | |
| parent | 9c367e53d2780b5131baecd1874835ce8ddc4ed0 (diff) | |
KVM: use proper hrtimer function to retrieve expiration time
commit ace1546487a0fe4634e3251067f8a32cb2cdc099 upstream.
hrtimer->base can be temporarily NULL due to racing hrtimer_start.
See switch_hrtimer_base/lock_hrtimer_base.
Use hrtimer_get_remaining which is robust against it.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/i8254.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/lapic.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 21f68e00524f..5c8bffff6bd7 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -116,7 +116,7 @@ static s64 __kpit_elapsed(struct kvm *kvm) * itself with the initial count and continues counting * from there. */ - remaining = hrtimer_expires_remaining(&ps->pit_timer.timer); + remaining = hrtimer_get_remaining(&ps->pit_timer.timer); elapsed = ps->pit_timer.period - ktime_to_ns(remaining); elapsed = mod_64(elapsed, ps->pit_timer.period); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index b225176b5981..9a65123b798e 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -464,7 +464,7 @@ static u32 apic_get_tmcct(struct kvm_lapic *apic) if (apic_get_reg(apic, APIC_TMICT) == 0) return 0; - remaining = hrtimer_expires_remaining(&apic->lapic_timer.timer); + remaining = hrtimer_get_remaining(&apic->lapic_timer.timer); if (ktime_to_ns(remaining) < 0) remaining = ktime_set(0, 0); |