2015-04-13 13:05:23

by Eric Auger

[permalink] [raw]
Subject: [PATCH] KVM: arm: irqfd: fix value returned by kvm_irq_map_gsi

irqfd/arm curently does not support routing. kvm_irq_map_gsi is
supposed to return all the routing entries associated with the
provided gsi and return the number of those entries. We should
return 0 at this point.

Signed-off-by: Eric Auger <[email protected]>
---
virt/kvm/arm/vgic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 9ad074e..9b4f7d4 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1947,7 +1947,7 @@ int kvm_irq_map_gsi(struct kvm *kvm,
struct kvm_kernel_irq_routing_entry *entries,
int gsi)
{
- return gsi;
+ return 0;
}

int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
--
1.9.1


2015-04-14 10:46:39

by Christoffer Dall

[permalink] [raw]
Subject: Re: [PATCH] KVM: arm: irqfd: fix value returned by kvm_irq_map_gsi

On Mon, Apr 13, 2015 at 03:01:59PM +0200, Eric Auger wrote:
> irqfd/arm curently does not support routing. kvm_irq_map_gsi is
> supposed to return all the routing entries associated with the
> provided gsi and return the number of those entries. We should
> return 0 at this point.
>
> Signed-off-by: Eric Auger <[email protected]>
> ---
> virt/kvm/arm/vgic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
> index 9ad074e..9b4f7d4 100644
> --- a/virt/kvm/arm/vgic.c
> +++ b/virt/kvm/arm/vgic.c
> @@ -1947,7 +1947,7 @@ int kvm_irq_map_gsi(struct kvm *kvm,
> struct kvm_kernel_irq_routing_entry *entries,
> int gsi)
> {
> - return gsi;
> + return 0;
> }
>
> int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)
> --

Acked-by: Christoffer Dall <[email protected]>