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xen-devel
[Xen-devel] Re: [PATCH] Don't allow sharing of tx skbs on xen-netfront
From: Neil Horman <nhorman@xxxxxxxxxxxxx>
Date: Mon, 14 Nov 2011 14:22:24 -0500
> It was pointed out to me recently that the xen-netfront driver can't safely
> support shared skbs on transmit, since, while it doesn't maintain skb state
> directly, it does pass a pointer to the skb to the hypervisor via a list, and
> the hypervisor may expect the contents of the skb to remain stable. Clearing
> the IFF_TX_SKB_SHARING flag after the call to alloc_etherdev to make it safe.
>
> Signed-off-by: Neil Horman <nhorman@xxxxxxxxxxxxx>
Please put an appropriate prefix into the subject lines of your patch
submissions. In this case "[PATCH] xen-netfront: ..." would be appropriate.
I've been letting you get away with this for the past few weeks and I've
decided that it's your turn to start getting this right :-)
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