[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCHv1 net-next] xen-netback: remove unconditional pull_skb_tail in guest Tx path



On Tue, 2014-11-04 at 16:17 -0500, David Miller wrote:


> 
> Every protocol demux starts with pskb_may_pull() to pull frag data
> into the linear area, if necessary, before looking at headers.

eth_get_headlen() might be relevant as well, to perform a single copy of
exactly all headers.

This is known to help a bit.



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.