Re: [PATCH v1 3/3] Let host NIC driver to DMA to guest user space.
From: Stephen Hemminger
Date: Sat Mar 06 2010 - 12:19:15 EST
On Sat, 6 Mar 2010 17:38:38 +0800
> From: Xin Xiaohui <xiaohui.xin@xxxxxxxxx>
> The patch let host NIC driver to receive user space skb,
> then the driver has chance to directly DMA to guest user
> space buffers thru single ethX interface.
> Signed-off-by: Xin Xiaohui <xiaohui.xin@xxxxxxxxx>
> Signed-off-by: Zhao Yu <yzhao81@xxxxxxxxx>
> Sigend-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxxxxxxxxx>
> include/linux/netdevice.h | 76 ++++++++++++++++++++++++++++++++++++++++++-
> include/linux/skbuff.h | 30 +++++++++++++++--
> net/core/dev.c | 32 ++++++++++++++++++
> net/core/skbuff.c | 79 +++++++++++++++++++++++++++++++++++++++++----
> 4 files changed, 205 insertions(+), 12 deletions(-)
There are too many ifdef's in this implementation.
I would prefer to see a few functions (with stub for the non-ifdef case),
like the network namespace code.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/