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Message-Id: <20240124113446.2977003-4-foxywang@tencent.com>
Date: Wed, 24 Jan 2024 19:34:46 +0800
From: Yi Wang <up2wing@...il.com>
To: seanjc@...gle.com,
pbonzini@...hat.com,
tglx@...utronix.de,
mingo@...hat.com,
bp@...en8.de,
dave.hansen@...ux.intel.com,
x86@...nel.org,
hpa@...or.com,
kvm@...r.kernel.org,
linux-kernel@...r.kernel.org,
wanpengli@...cent.com,
foxywang@...cent.com,
oliver.upton@...ux.dev,
maz@...nel.org,
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borntraeger@...ux.ibm.com,
frankja@...ux.ibm.com,
imbrenda@...ux.ibm.com
Cc: up2wing@...il.com
Subject: [v3 3/3] KVM: s390: don't setup dummy routing when KVM_CREATE_IRQCHIP
From: Yi Wang <foxywang@...cent.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@...cent.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 acc81ca6492e..dec3c026a6c1 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2999,14 +2999,7 @@ 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: {
--
2.39.3
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