Commit 49f520b9 authored by David Hildenbrand's avatar David Hildenbrand Committed by Radim Krčmář

KVM: x86: push usage of slots_lock down

Let's just move it to the place where it is actually needed.
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent ba7454e1
......@@ -660,9 +660,11 @@ void kvm_pic_destroy(struct kvm *kvm)
if (!vpic)
return;
mutex_lock(&kvm->slots_lock);
kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master);
kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave);
kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr);
mutex_unlock(&kvm->slots_lock);
kvm->arch.vpic = NULL;
kfree(vpic);
......
......@@ -637,7 +637,9 @@ void kvm_ioapic_destroy(struct kvm *kvm)
return;
cancel_delayed_work_sync(&ioapic->eoi_inject);
mutex_lock(&kvm->slots_lock);
kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
mutex_unlock(&kvm->slots_lock);
kvm->arch.vioapic = NULL;
kfree(ioapic);
}
......
......@@ -4015,9 +4015,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = kvm_ioapic_init(kvm);
if (r) {
mutex_lock(&kvm->slots_lock);
kvm_pic_destroy(kvm);
mutex_unlock(&kvm->slots_lock);
goto create_irqchip_unlock;
}
......@@ -4027,10 +4025,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
kvm->arch.irqchip_mode = KVM_IRQCHIP_NONE;
/* Pairs with smp_rmb() when reading irqchip_mode */
smp_wmb();
mutex_lock(&kvm->slots_lock);
kvm_ioapic_destroy(kvm);
kvm_pic_destroy(kvm);
mutex_unlock(&kvm->slots_lock);
goto create_irqchip_unlock;
}
/* Write kvm->irq_routing before enabling irqchip_in_kernel. */
......
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