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Date:   Mon, 20 Feb 2017 22:23:09 -0500 (EST)
From:   David Miller <>
Subject: Re: [PATCH net-next V2] virito-net: set queues after reset during

From: Jason Wang <>
Date: Mon, 20 Feb 2017 11:50:20 +0800

> We set queues before reset which will cause a crash[1]. This is
> because is_xdp_raw_buffer_queue() depends on the old xdp queue pairs
> number to do the correct detection. So fix this by
> - passing xdp queue pairs and current queue pairs to virtnet_reset()
> - change vi->xdp_qp after reset but before refill, to make sure both
>   free_unused_bufs() and refill can make correct detection of XDP.
> - remove the duplicated queue pairs setting before virtnet_reset()
>   since we will do it inside virtnet_reset()
> [1]
> Fixes: 2de2f7f40ef9 ("virtio_net: XDP support for adjust_head")
> Cc: John Fastabend <>
> Signed-off-by: Jason Wang <>

Applied and queued up for -stable, thanks Jason.

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