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KVM: s390: remove the tasklet used by the hrtimer

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We can get rid of the tasklet used for waking up a VCPU in the hrtimer
code but wakeup the VCPU directly.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
David Hildenbrand
2014-05-16 12:08:29 +02:00
committed by Christian Borntraeger
parent 0e9c85a5a3
commit ea74c0ea1b
4 changed files with 1 additions and 16 deletions
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13
arch/s390/kvm/interrupt.c
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@@ -629,23 +629,12 @@ void kvm_s390_vcpu_wakeup(struct kvm_vcpu *vcpu)
}
}
void kvm_s390_tasklet(unsigned long parm)
{
struct kvm_vcpu *vcpu = (struct kvm_vcpu *) parm;
kvm_s390_vcpu_wakeup(vcpu);
}
/*
* low level hrtimer wake routine. Because this runs in hardirq context
* we schedule a tasklet to do the real work.
*/
enum hrtimer_restart kvm_s390_idle_wakeup(struct hrtimer *timer)
{
struct kvm_vcpu *vcpu;
vcpu = container_of(timer, struct kvm_vcpu, arch.ckc_timer);
vcpu->preempted = true;
tasklet_schedule(&vcpu->arch.tasklet);
kvm_s390_vcpu_wakeup(vcpu);
return HRTIMER_NORESTART;
}