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| author | Jens Freimann <jfrei@linux.vnet.ibm.com> | 2014-02-24 10:11:41 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-03-04 10:41:02 +0100 |
| commit | ff520a6327e83ef55515d1be3d0a1b10c084f59c (patch) | |
| tree | d47cb7f5dc7cad419a99b98f70a5ac7b5a0aac8d /arch/s390/kvm | |
| parent | afa45ff521130cee79a50b565693388be8c8c9c2 (diff) | |
| download | op-kernel-dev-ff520a6327e83ef55515d1be3d0a1b10c084f59c.zip op-kernel-dev-ff520a6327e83ef55515d1be3d0a1b10c084f59c.tar.gz | |
KVM: s390: Simplify online vcpus counting for stsi
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>
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/priv.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 75beea6..ae9e8ee 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -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)) |
