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KVM: s390: optimize float int lock: spin_lock_bh --> spin_lock

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The floating interrupt lock is only taken in process context. We can
replace all spin_lock_bh with standard spin_lock calls.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Ehrhardt <ehrhardt@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Christian Borntraeger
2009-05-12 17:21:50 +02:00
committed by Avi Kivity
parent ca8723023f
commit b037a4f34e
4 changed files with 22 additions and 22 deletions
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4
arch/s390/kvm/priv.c
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@ -204,11 +204,11 @@ static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem)
int cpus = 0;
int n;
spin_lock_bh(&fi->lock);
spin_lock(&fi->lock);
for (n = 0; n < KVM_MAX_VCPUS; n++)
if (fi->local_int[n])
cpus++;
spin_unlock_bh(&fi->lock);
spin_unlock(&fi->lock);
/* deal with other level 3 hypervisors */
if (stsi(mem, 3, 2, 2) == -ENOSYS)