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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2014-12-12 14:17:31 (GMT)
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-01-23 12:25:32 (GMT)
commit0ac96caf0f9381088c673a16d910b1d329670edf (patch)
treeb6b64cf389c7ffa37efb6b7e59bdbba0bdc8ef64 /arch/s390
parentbda343ef149bc0ce01ec965c74d464849bde96d8 (diff)
downloadlinux-0ac96caf0f9381088c673a16d910b1d329670edf.tar.xz
KVM: s390: base hrtimer on a monotonic clock
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> Cc: stable@vger.kernel.org Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/kvm-s390.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 14cdf1c..37ef06c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -735,7 +735,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
if (rc)
return rc;
}
- hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
+ hrtimer_init(&vcpu->arch.ckc_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
vcpu->arch.ckc_timer.function = kvm_s390_idle_wakeup;
get_cpu_id(&vcpu->arch.cpu_id);
vcpu->arch.cpu_id.version = 0xff;