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KVM: s390: Simplify online vcpus counting for stsi

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We don't need to loop over all cpus to get the number of
vcpus. Let's use the available counter online_vcpus instead.

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jens Freimann 2014-02-24 10:11:41 +01:00 • committed by Christian Borntraeger
parent afa45ff521
commit ff520a6327
1 changed files with 1 additions and 6 deletions
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7
arch/s390/kvm/priv.c
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@ -396,15 +396,10 @@ static int handle_stidp(struct kvm_vcpu *vcpu)
static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem)
{
struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
int cpus = 0;
int n;
spin_lock(&fi->lock);
for (n = 0; n < KVM_MAX_VCPUS; n++)
if (fi->local_int[n])
cpus++;
spin_unlock(&fi->lock);
cpus = atomic_read(&vcpu->kvm->online_vcpus);
/* deal with other level 3 hypervisors */
if (stsi(mem, 3, 2, 2))