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Re: [PATCH net] xen/netback: don't call kfree_skb() under spin_lock_irqsave()
- To: Yang Yingliang <yangyingliang@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx
- From: Paul Durrant <xadimgnik@xxxxxxxxx>
- Date: Mon, 5 Dec 2022 14:38:35 +0000
- Cc: wei.liu@xxxxxxxxxx, davem@xxxxxxxxxxxxx, edumazet@xxxxxxxxxx, kuba@xxxxxxxxxx, pabeni@xxxxxxxxxx, jbeulich@xxxxxxxx, jgross@xxxxxxxx
- Delivery-date: Mon, 05 Dec 2022 14:38:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 05/12/2022 14:13, Yang Yingliang wrote:
It is not allowed to call kfree_skb() from hardware interrupt
context or with interrupts being disabled. So replace kfree_skb()
with dev_kfree_skb_irq() under spin_lock_irqsave().
Fixes: be81992f9086 ("xen/netback: don't queue unlimited number of packages")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Paul Durrant <paul@xxxxxxx>
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