Displaying 7 results from an estimated 7 matches for "kvm_arch_irq_bypass_del_produc".
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kvm_arch_irq_bypass_del_producer
2020 Jul 12
3
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
...pdate_pi_irte(irqfd->kvm,
> + prod->irq, irqfd->gsi, 1);
> +
> + if (ret)
> + kvm_arch_end_assignment(irqfd->kvm);
>
> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
> - prod->irq, irqfd->gsi, 1);
> + return ret;
> }
>
> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
> diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
> index 8fcbc50..111da52 100644
> --- a/virt/kvm/vfio.c
> +++ b/virt/kvm/vfio.c
> @@ -226,7 +226,6 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg)
> list_add_tail(&...
2020 Jul 12
3
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
...pdate_pi_irte(irqfd->kvm,
> + prod->irq, irqfd->gsi, 1);
> +
> + if (ret)
> + kvm_arch_end_assignment(irqfd->kvm);
>
> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
> - prod->irq, irqfd->gsi, 1);
> + return ret;
> }
>
> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
> diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
> index 8fcbc50..111da52 100644
> --- a/virt/kvm/vfio.c
> +++ b/virt/kvm/vfio.c
> @@ -226,7 +226,6 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg)
> list_add_tail(&...
2020 Jul 17
1
[PATCH V2 2/6] kvm: detect assigned device via irqbypass manager
...pdate_pi_irte(irqfd->kvm,
> + prod->irq, irqfd->gsi, 1);
> +
> + if (ret)
> + kvm_arch_end_assignment(irqfd->kvm);
>
> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
> - prod->irq, irqfd->gsi, 1);
> + return ret;
> }
>
> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
Why isn't there a matching end-assignment in the del_producer path? It
seems this only goes one-way, what happens when a device is
hot-unplugged from the VM or the device interrupt configuration changes.
This will still break vfio if it's not guarantee...
2020 Jul 12
1
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
...pdate_pi_irte(irqfd->kvm,
> + prod->irq, irqfd->gsi, 1);
> +
> + if (ret)
> + kvm_arch_end_assignment(irqfd->kvm);
>
> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
> - prod->irq, irqfd->gsi, 1);
> + return ret;
> }
>
> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
> diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
> index 8fcbc50..111da52 100644
> --- a/virt/kvm/vfio.c
> +++ b/virt/kvm/vfio.c
> @@ -226,7 +226,6 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg)
> list_add_tail(&...
2020 Jul 17
0
[PATCH V2 2/6] kvm: detect assigned device via irqbypass manager
...e_pi_irte(irqfd->kvm,
> + prod->irq, irqfd->gsi, 1);
> +
> + if (ret)
> + kvm_arch_end_assignment(irqfd->kvm);
>
> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
> - prod->irq, irqfd->gsi, 1);
> + return ret;
> }
>
> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
2020 Jul 13
0
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
...d->irq, irqfd->gsi, 1);
>> +
>> + if (ret)
>> + kvm_arch_end_assignment(irqfd->kvm);
>>
>> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
>> - prod->irq, irqfd->gsi, 1);
>> + return ret;
>> }
>>
>> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
>> diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
>> index 8fcbc50..111da52 100644
>> --- a/virt/kvm/vfio.c
>> +++ b/virt/kvm/vfio.c
>> @@ -226,7 +226,6 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg)
>...
2020 Jul 14
0
[PATCH 2/7] kvm/vfio: detect assigned device via irqbypass manager
...end_assignment(irqfd->kvm);
> - return kvm_x86_ops.update_pi_irte(irqfd->kvm,
> - prod->irq, irqfd->gsi, 1);
> + return ret;
> }
> void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
> diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
> index 8fcbc50..111da52 100644
> --- a/virt/kvm/vfio.c
> +++ b/virt/kvm/vfio.c
> @@ -226,7 +226,6 @@ static int kvm_vf...