diff options
author | Christian Borntraeger <borntraeger@de.ibm.com> | 2009-05-12 11:21:50 -0400 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2009-06-10 04:48:56 -0400 |
commit | b037a4f34ec51b6c8ccb352a04056c04a4bfc269 (patch) | |
tree | 9ae7a04c170ecfca9ac2973c69383454c0aa8e60 /arch/s390/kvm/priv.c | |
parent | ca8723023f25c9a70d76cbd6101f8fb4ffec2fa0 (diff) |
KVM: s390: optimize float int lock: spin_lock_bh --> spin_lock
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>
Diffstat (limited to 'arch/s390/kvm/priv.c')
-rw-r--r-- | arch/s390/kvm/priv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 4b88834b8dd8..93ecd06e1a74 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c | |||
@@ -204,11 +204,11 @@ static void handle_stsi_3_2_2(struct kvm_vcpu *vcpu, struct sysinfo_3_2_2 *mem) | |||
204 | int cpus = 0; | 204 | int cpus = 0; |
205 | int n; | 205 | int n; |
206 | 206 | ||
207 | spin_lock_bh(&fi->lock); | 207 | spin_lock(&fi->lock); |
208 | for (n = 0; n < KVM_MAX_VCPUS; n++) | 208 | for (n = 0; n < KVM_MAX_VCPUS; n++) |
209 | if (fi->local_int[n]) | 209 | if (fi->local_int[n]) |
210 | cpus++; | 210 | cpus++; |
211 | spin_unlock_bh(&fi->lock); | 211 | spin_unlock(&fi->lock); |
212 | 212 | ||
213 | /* deal with other level 3 hypervisors */ | 213 | /* deal with other level 3 hypervisors */ |
214 | if (stsi(mem, 3, 2, 2) == -ENOSYS) | 214 | if (stsi(mem, 3, 2, 2) == -ENOSYS) |