Re: [PATCH v3 0/7] vhost: support for cross endian guests

[Michael S. Tsirkin]

On Tue, Apr 07, 2015 at 02:09:29PM +0200, Greg Kurz wrote:
> Hi,
> 
> This patchset allows vhost to be used with legacy virtio when guest and host
> have a different endianness.
> 
> Patches 1-6 remain the same as the previous post. Patch 7 was heavily changed
> according to MST's comments.

This still doesn't actually work, right?
tun and macvtap need new ioctls too ...

> ---
> 
> Greg Kurz (7):
>       virtio: introduce virtio_is_little_endian() helper
>       tun: add tun_is_little_endian() helper
>       macvtap: introduce macvtap_is_little_endian() helper
>       vringh: introduce vringh_is_little_endian() helper
>       vhost: introduce vhost_is_little_endian() helper
>       virtio: add explicit big-endian support to memory accessors
>       vhost: feature to set the vring endianness
> 
> 
>  drivers/net/macvtap.c            |   11 ++++++--
>  drivers/net/tun.c                |   11 ++++++--
>  drivers/vhost/Kconfig            |   10 +++++++
>  drivers/vhost/vhost.c            |   55 ++++++++++++++++++++++++++++++++++++++
>  drivers/vhost/vhost.h            |   34 +++++++++++++++++++----
>  include/linux/virtio_byteorder.h |   24 ++++++++++-------
>  include/linux/virtio_config.h    |   19 +++++++++----
>  include/linux/vringh.h           |   19 +++++++++----
>  include/uapi/linux/vhost.h       |    5 +++
>  9 files changed, 156 insertions(+), 32 deletions(-)
> 
> --
> Greg
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