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Subject[PATCH v2] virtio_pci: Switch away from deprecated irq_set_affinity_hint
Date
Since commit 65c7cdedeb30 ("genirq: Provide new interfaces for affinity
hints") irq_set_affinity_hint is being phased out.

Switch to new interfaces for setting and applying irq affinity hints.

Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
---
v2:
- Leave cpumask_copy as is. We can't pass pointer to stack memory as hint.
Proposed a change to IRQ affinity interface to address this limitation:
https://lore.kernel.org/r/20231025141517.375378-1-jakub@cloudflare.com

v1: https://lore.kernel.org/r/20231019101625.412936-2-jakub@cloudflare.com
---
drivers/virtio/virtio_pci_common.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
index c2524a7207cf..7a5593997e0e 100644
--- a/drivers/virtio/virtio_pci_common.c
+++ b/drivers/virtio/virtio_pci_common.c
@@ -242,7 +242,7 @@ void vp_del_vqs(struct virtio_device *vdev)
if (v != VIRTIO_MSI_NO_VECTOR) {
int irq = pci_irq_vector(vp_dev->pci_dev, v);

- irq_set_affinity_hint(irq, NULL);
+ irq_update_affinity_hint(irq, NULL);
free_irq(irq, vq);
}
}
@@ -443,10 +443,10 @@ int vp_set_vq_affinity(struct virtqueue *vq, const struct cpumask *cpu_mask)
mask = vp_dev->msix_affinity_masks[info->msix_vector];
irq = pci_irq_vector(vp_dev->pci_dev, info->msix_vector);
if (!cpu_mask)
- irq_set_affinity_hint(irq, NULL);
+ irq_update_affinity_hint(irq, NULL);
else {
cpumask_copy(mask, cpu_mask);
- irq_set_affinity_hint(irq, mask);
+ irq_set_affinity_and_hint(irq, mask);
}
}
return 0;
--
2.41.0
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