| Message ID | 20240506101751.3145407-4-foxywang@tencent.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | KVM: irqchip: synchronize srcu only if needed | expand |
Am 06.05.24 um 12:17 schrieb Yi Wang: > From: Yi Wang <foxywang@tencent.com> > > As we have setup empty irq routing in kvm_create_vm(), there's > no need to setup dummy routing when KVM_CREATE_IRQCHIP. > > Signed-off-by: Yi Wang <foxywang@tencent.com> Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com> > --- > arch/s390/kvm/kvm-s390.c | 9 +-------- > 1 file changed, 1 insertion(+), 8 deletions(-) > > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index 5147b943a864..ba7fd39bcbf4 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -2998,14 +2998,7 @@ int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) > break; > } > case KVM_CREATE_IRQCHIP: { > - struct kvm_irq_routing_entry routing; > - > - r = -EINVAL; > - if (kvm->arch.use_irqchip) { > - /* Set up dummy routing. */ > - memset(&routing, 0, sizeof(routing)); > - r = kvm_set_irq_routing(kvm, &routing, 0, 0); > - } > + r = 0; > break; > } > case KVM_SET_DEVICE_ATTR: {
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 5147b943a864..ba7fd39bcbf4 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2998,14 +2998,7 @@ int kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) break; } case KVM_CREATE_IRQCHIP: { - struct kvm_irq_routing_entry routing; - - r = -EINVAL; - if (kvm->arch.use_irqchip) { - /* Set up dummy routing. */ - memset(&routing, 0, sizeof(routing)); - r = kvm_set_irq_routing(kvm, &routing, 0, 0); - } + r = 0; break; } case KVM_SET_DEVICE_ATTR: {