diff mbox

[2/5] kvm tools: use the correct config vector interrupt

Message ID 1351083066-3748-3-git-send-email-william@gandi.net (mailing list archive)
State New, archived
Headers show

Commit Message

William Dauchy Oct. 24, 2012, 12:51 p.m. UTC
when registering the config interrupt, the later is registered in
vcpi->config_vector and not in vpci->vq_vector

introduced in:
a841f15 kvm tools: Use the new KVM_SIGNAL_MSI ioctl to inject
interrupts directly.

Signed-off-by: William Dauchy <william@gandi.net>
---
 tools/kvm/virtio/pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Pekka Enberg Oct. 25, 2012, 7:03 a.m. UTC | #1
On Wed, 24 Oct 2012, William Dauchy wrote:
> when registering the config interrupt, the later is registered in
> vcpi->config_vector and not in vpci->vq_vector
> 
> introduced in:
> a841f15 kvm tools: Use the new KVM_SIGNAL_MSI ioctl to inject
> interrupts directly.
> 
> Signed-off-by: William Dauchy <william@gandi.net>
> ---
>  tools/kvm/virtio/pci.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/kvm/virtio/pci.c b/tools/kvm/virtio/pci.c
> index ab1119a..f4ea3c9 100644
> --- a/tools/kvm/virtio/pci.c
> +++ b/tools/kvm/virtio/pci.c
> @@ -288,7 +288,7 @@ int virtio_pci__signal_config(struct kvm *kvm, struct virtio_device *vdev)
>  		}
>  
>  		if (vpci->features & VIRTIO_PCI_F_SIGNAL_MSI)
> -			virtio_pci__signal_msi(kvm, vpci, vpci->vq_vector[vpci->config_vector]);
> +			virtio_pci__signal_msi(kvm, vpci, vpci->config_vector);
>  		else
>  			kvm__irq_trigger(kvm, vpci->config_gsi);
>  	} else {

Sasha?
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Sasha Levin Oct. 25, 2012, 7:20 p.m. UTC | #2
On Thu, Oct 25, 2012 at 3:03 AM, Pekka Enberg <penberg@kernel.org> wrote:
> On Wed, 24 Oct 2012, William Dauchy wrote:
>> when registering the config interrupt, the later is registered in
>> vcpi->config_vector and not in vpci->vq_vector
>>
>> introduced in:
>> a841f15 kvm tools: Use the new KVM_SIGNAL_MSI ioctl to inject
>> interrupts directly.
>>
>> Signed-off-by: William Dauchy <william@gandi.net>
>> ---
>>  tools/kvm/virtio/pci.c |    2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/tools/kvm/virtio/pci.c b/tools/kvm/virtio/pci.c
>> index ab1119a..f4ea3c9 100644
>> --- a/tools/kvm/virtio/pci.c
>> +++ b/tools/kvm/virtio/pci.c
>> @@ -288,7 +288,7 @@ int virtio_pci__signal_config(struct kvm *kvm, struct virtio_device *vdev)
>>               }
>>
>>               if (vpci->features & VIRTIO_PCI_F_SIGNAL_MSI)
>> -                     virtio_pci__signal_msi(kvm, vpci, vpci->vq_vector[vpci->config_vector]);
>> +                     virtio_pci__signal_msi(kvm, vpci, vpci->config_vector);
>>               else
>>                       kvm__irq_trigger(kvm, vpci->config_gsi);
>>       } else {
>
> Sasha?

Indeed, we tried signaling the config vector by signaling vq0, woops.

Acked-by: Sasha Levin <levinsasha928@gmail.com>
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Pekka Enberg Oct. 26, 2012, 3:29 p.m. UTC | #3
On Thu, 25 Oct 2012, Sasha Levin wrote:
> On Thu, Oct 25, 2012 at 3:03 AM, Pekka Enberg <penberg@kernel.org> wrote:
> > On Wed, 24 Oct 2012, William Dauchy wrote:
> >> when registering the config interrupt, the later is registered in
> >> vcpi->config_vector and not in vpci->vq_vector
> >>
> >> introduced in:
> >> a841f15 kvm tools: Use the new KVM_SIGNAL_MSI ioctl to inject
> >> interrupts directly.
> >>
> >> Signed-off-by: William Dauchy <william@gandi.net>
> >> ---
> >>  tools/kvm/virtio/pci.c |    2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/tools/kvm/virtio/pci.c b/tools/kvm/virtio/pci.c
> >> index ab1119a..f4ea3c9 100644
> >> --- a/tools/kvm/virtio/pci.c
> >> +++ b/tools/kvm/virtio/pci.c
> >> @@ -288,7 +288,7 @@ int virtio_pci__signal_config(struct kvm *kvm, struct virtio_device *vdev)
> >>               }
> >>
> >>               if (vpci->features & VIRTIO_PCI_F_SIGNAL_MSI)
> >> -                     virtio_pci__signal_msi(kvm, vpci, vpci->vq_vector[vpci->config_vector]);
> >> +                     virtio_pci__signal_msi(kvm, vpci, vpci->config_vector);
> >>               else
> >>                       kvm__irq_trigger(kvm, vpci->config_gsi);
> >>       } else {
> >
> > Sasha?
> 
> Indeed, we tried signaling the config vector by signaling vq0, woops.
> 
> Acked-by: Sasha Levin <levinsasha928@gmail.com>

Applied, thanks guys!
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diff mbox

Patch

diff --git a/tools/kvm/virtio/pci.c b/tools/kvm/virtio/pci.c
index ab1119a..f4ea3c9 100644
--- a/tools/kvm/virtio/pci.c
+++ b/tools/kvm/virtio/pci.c
@@ -288,7 +288,7 @@  int virtio_pci__signal_config(struct kvm *kvm, struct virtio_device *vdev)
 		}
 
 		if (vpci->features & VIRTIO_PCI_F_SIGNAL_MSI)
-			virtio_pci__signal_msi(kvm, vpci, vpci->vq_vector[vpci->config_vector]);
+			virtio_pci__signal_msi(kvm, vpci, vpci->config_vector);
 		else
 			kvm__irq_trigger(kvm, vpci->config_gsi);
 	} else {