Re: [Qemu-devel] [PATCH 0/6] vhost: cross-endian support

[Michael S. Tsirkin]

On Wed, Jun 17, 2015 at 03:23:24PM +0200, Greg Kurz wrote:
> Hi,
> 
> This series brings initial enablement in vhost to support legacy virtio
> devices when host and guest have different endianness (for example, ppc64
> versus ppc64le).
> 
> Only vhost_net is fully enabled at the moment... I haven't looked at
> vhost_scsi yet.
> 
> It is basically the same patch set I had sent last month:
> 
> https://lists.gnu.org/archive/html/qemu-devel/2015-05/msg00780.html
> 
> ... without the "virtio: relax feature check" patch since QEMU now
> supports 64-bit features.
> 
> Some kernel support is needed, already available in Michael's vhost-next
> branch at:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
> 
> Please review.

Seems minor enough, I've applied this.

> ---
> 
> Cédric Le Goater (1):
>       vhost_net: re-enable when cross endian
> 
> Greg Kurz (5):
>       linux-headers: sync vhost.h
>       virtio: introduce virtio_legacy_is_cross_endian()
>       vhost: set vring endianness for legacy virtio
>       tap: add VNET_LE/VNET_BE operations
>       vhost-net: tell tap backend about the vnet endianness
> 
> 
>  hw/net/vhost_net.c                |   50 
> +++++++++++++++++++++++--------------
>  hw/virtio/vhost.c                 |   50 
> ++++++++++++++++++++++++++++++++++++-
>  include/hw/virtio/virtio-access.h |   13 ++++++++++
>  include/net/net.h                 |    6 ++++
>  linux-headers/linux/vhost.h       |   14 ++++++++++
>  net/net.c                         |   18 +++++++++++++
>  net/tap-linux.c                   |   34 +++++++++++++++++++++++++
>  net/tap-linux.h                   |    2 +
>  net/tap.c                         |   16 ++++++++++++
>  net/tap_int.h                     |    2 +
>  10 files changed, 185 insertions(+), 20 deletions(-)
> 
> --
> Greg