Re: [Xen-devel] [PATCH 5/6] xen-netback: coalesce slots before copying

[David Miller <davem@xxxxxxxxxxxxx>]

From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Mon, 25 Mar 2013 11:08:21 +0000

> This patch tries to coalesce tx requests when constructing grant copy
> structures. It enables netback to deal with situation when frontend's
> MAX_SKB_FRAGS is larger than backend's MAX_SKB_FRAGS.
> 
> It defines max_skb_slots, which is a estimation of the maximum number of slots
> a guest can send, anything bigger than that is considered malicious. Now it is
> set to 20, which should be enough to accommodate Linux (16 to 19).
> 
> Also change variable name from "frags" to "slots" in netbk_count_requests.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Please resubmit after you've incorporated the feedback you've
received.

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