diff options
| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2014-12-12 15:17:31 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2015-05-09 23:16:13 +0100 |
| commit | 16a0a3f34da7ba0054fe923156de1da87b933644 (patch) | |
| tree | 85e7aecace250b03c646d84b17cbeb51d219a3c8 /arch | |
| parent | 6c2fc091dbae36bffc9cf37d8180e7cfebe9a505 (diff) | |
KVM: s390: base hrtimer on a monotonic clock
commit 0ac96caf0f9381088c673a16d910b1d329670edf upstream.
The hrtimer that handles the wait with enabled timer interrupts
should not be disturbed by changes of the host time.
This patch changes our hrtimer to be based on a monotonic clock.
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f6f41ddf7015..b96b4de905a1 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -311,7 +311,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) vcpu->arch.sie_block->ecb = 6; vcpu->arch.sie_block->eca = 0xC1002001U; vcpu->arch.sie_block->fac = (int) (long) facilities; - hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS); + hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); tasklet_init(&vcpu->arch.tasklet, kvm_s390_tasklet, (unsigned long) vcpu); vcpu->arch.ckc_timer.function = kvm_s390_idle_wakeup; |