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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 7 Apr 2015 18:08:20 +0200
From:	Greg Kurz <gkurz@...ux.vnet.ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v3 0/7] vhost: support for cross endian guests

On Tue, 7 Apr 2015 17:55:08 +0200
"Michael S. Tsirkin" <mst@...hat.com> 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
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/