Re: [PATCH resend] virtio-net: Remove more stack DMA

[David Miller]

From: Andy Lutomirski <luto@xxxxxxxxxx>
Date: Mon, 18 Jul 2016 15:34:49 -0700

> VLAN and MQ control was doing DMA from the stack.  Fix it.
> 
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Cc: "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
> ---
> 
> I tested VLAN addition and removal with CONFIG_VMAP_STACK=y,
> CONFIG_DEBUG_SG=y and it got rid of the warnings I saw.  I haven't
> tested the MQ part because I don't know how to enable it in the first
> place (I'm guessing it needs me to enable some QEMU feature I don't
> know about.)
> 
> DaveM, contrary to what I thought last time I sent this, I think this
> should go through net-next as long as it makes it in time for 4.8.

Applied to net-next, thanks.