Re: [PATCH v3 0/7] vhost: support for cross endian guests
From: Greg Kurz
Date: Tue Apr 07 2015 - 12:08:34 EST
On Tue, 7 Apr 2015 17:55:08 +0200
"Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> 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 ...
>
Yes they do. I already have a patch but I wasn't sure if I should send it
along this series... Since it looks like there will be a v4, I'll add the
tun/macvtap patch.
Thanks.
--
Greg
> > ---
> >
> > 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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