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xen-netback: switch to threaded irq for control ring

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Instead of open coding it use the threaded irq mechanism in
xen-netback.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Juergen Gross 2016-09-22 11:06:25 +02:00 • committed by David S. Miller
parent f6f7d9c03f
commit 0364a8824c
3 changed files with 11 additions and 49 deletions
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4
drivers/net/xen-netback/common.h
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@ -292,8 +292,6 @@ struct xenvif {
#endif
struct xen_netif_ctrl_back_ring ctrl;
struct task_struct *ctrl_task;
wait_queue_head_t ctrl_wq;
unsigned int ctrl_irq;
/* Miscellaneous private stuff. */
@ -359,7 +357,7 @@ void xenvif_kick_thread(struct xenvif_queue *queue);
int xenvif_dealloc_kthread(void *data);
int xenvif_ctrl_kthread(void *data);
irqreturn_t xenvif_ctrl_irq_fn(int irq, void *data);
void xenvif_rx_queue_tail(struct xenvif_queue *queue, struct sk_buff *skb);