linux-kernel - Re: [PATCH 2/2] virtio_pci: Switch away from deprecated irq_set_affinity

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Date:   Thu, 19 Oct 2023 20:54:55 +0800
From:   Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To:     Jakub Sitnicki <jakub@...udflare.com>
Cc:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>, linux-kernel@...r.kernel.org,
        kernel-team@...udflare.com,
        virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH 2/2] virtio_pci: Switch away from deprecated irq_set_affinity_hint

On Thu, 19 Oct 2023 12:16:25 +0200, Jakub Sitnicki <jakub@...udflare.com> wrote:
> 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@...udflare.com>

Reviewed-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>

> ---
>  drivers/virtio/virtio_pci_common.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c
> index 8927bc338f06..9fab99b540f1 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);
>  			}
>  		}
> @@ -440,7 +440,7 @@ int vp_set_vq_affinity(struct virtqueue *vq, const struct cpumask *cpu_mask)
>
>  	if (vp_dev->msix_enabled) {
>  		irq = pci_irq_vector(vp_dev->pci_dev, info->msix_vector);
> -		irq_set_affinity_hint(irq, cpu_mask);
> +		irq_set_affinity_and_hint(irq, cpu_mask);
>  	}
>  	return 0;
>  }
> --
> 2.41.0
>