Re: [RFC PATCH 04/13] xen-netback: implement RX persistent grants

2015-06-03 Thread Joao Martins
On 02 Jun 2015, at 17:07, Wei Liu wei.l...@citrix.com wrote: On Fri, May 22, 2015 at 10:25:10AM +, Joao Martins wrote: On 19 May 2015, at 17:32, Wei Liu wei.l...@citrix.com wrote: On Tue, May 12, 2015 at 07:18:28PM +0200, Joao Martins wrote: It starts by doing a lookup in the tree

Re: [RFC PATCH 04/13] xen-netback: implement RX persistent grants

2015-06-02 Thread Wei Liu
On Fri, May 22, 2015 at 10:25:10AM +, Joao Martins wrote: On 19 May 2015, at 17:32, Wei Liu wei.l...@citrix.com wrote: On Tue, May 12, 2015 at 07:18:28PM +0200, Joao Martins wrote: It starts by doing a lookup in the tree for a gref. If no persistent grant is found on the tree, it

Re: [RFC PATCH 04/13] xen-netback: implement RX persistent grants

2015-05-22 Thread Joao Martins
On 19 May 2015, at 17:32, Wei Liu wei.l...@citrix.com wrote: On Tue, May 12, 2015 at 07:18:28PM +0200, Joao Martins wrote: It starts by doing a lookup in the tree for a gref. If no persistent grant is found on the tree, it will do grant copy and prepare the grant maps. Finally valides the