* [PATCH] vdpa: Use device_iommu_capable()
@ 2022-06-08 11:48 Robin Murphy
2022-07-07 14:46 ` Robin Murphy
2022-07-08 3:14 ` Jason Wang
0 siblings, 2 replies; 3+ messages in thread
From: Robin Murphy @ 2022-06-08 11:48 UTC (permalink / raw)
To: mst, jasowang; +Cc: kvm, virtualization, netdev, linux-kernel
Use the new interface to check the capability for our device
specifically.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
drivers/vhost/vdpa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 935a1d0ddb97..4cfebcc24a03 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -1074,7 +1074,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
if (!bus)
return -EFAULT;
- if (!iommu_capable(bus, IOMMU_CAP_CACHE_COHERENCY))
+ if (!device_iommu_capable(dma_dev, IOMMU_CAP_CACHE_COHERENCY))
return -ENOTSUPP;
v->domain = iommu_domain_alloc(bus);
--
2.36.1.dirty
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] vdpa: Use device_iommu_capable()
2022-06-08 11:48 [PATCH] vdpa: Use device_iommu_capable() Robin Murphy
@ 2022-07-07 14:46 ` Robin Murphy
2022-07-08 3:14 ` Jason Wang
1 sibling, 0 replies; 3+ messages in thread
From: Robin Murphy @ 2022-07-07 14:46 UTC (permalink / raw)
To: mst, jasowang; +Cc: netdev, linux-kernel, kvm, virtualization
On 2022-06-08 12:48, Robin Murphy wrote:
> Use the new interface to check the capability for our device
> specifically.
Just checking in case this got lost - vdpa is now the only remaining
iommu_capable() user in linux-next, and I'd like to be able to remove
the old interface next cycle.
Thanks,
Robin.
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
> drivers/vhost/vdpa.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index 935a1d0ddb97..4cfebcc24a03 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -1074,7 +1074,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
> if (!bus)
> return -EFAULT;
>
> - if (!iommu_capable(bus, IOMMU_CAP_CACHE_COHERENCY))
> + if (!device_iommu_capable(dma_dev, IOMMU_CAP_CACHE_COHERENCY))
> return -ENOTSUPP;
>
> v->domain = iommu_domain_alloc(bus);
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] vdpa: Use device_iommu_capable()
2022-06-08 11:48 [PATCH] vdpa: Use device_iommu_capable() Robin Murphy
2022-07-07 14:46 ` Robin Murphy
@ 2022-07-08 3:14 ` Jason Wang
1 sibling, 0 replies; 3+ messages in thread
From: Jason Wang @ 2022-07-08 3:14 UTC (permalink / raw)
To: Robin Murphy; +Cc: mst, kvm, virtualization, netdev, linux-kernel
On Wed, Jun 8, 2022 at 7:53 PM Robin Murphy <robin.murphy@arm.com> wrote:
>
> Use the new interface to check the capability for our device
> specifically.
>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Jason Wang <jasowang@redhat.com>
> ---
> drivers/vhost/vdpa.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index 935a1d0ddb97..4cfebcc24a03 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -1074,7 +1074,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
> if (!bus)
> return -EFAULT;
>
> - if (!iommu_capable(bus, IOMMU_CAP_CACHE_COHERENCY))
> + if (!device_iommu_capable(dma_dev, IOMMU_CAP_CACHE_COHERENCY))
> return -ENOTSUPP;
>
> v->domain = iommu_domain_alloc(bus);
> --
> 2.36.1.dirty
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-07-08 3:14 UTC | newest]
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