On Fri, Feb 20, 2015 at 11:07:24AM +0100, Greg Kurz wrote: > Hi, > > This patchset allows vhost_net to be used with legacy virtio > when guest and host have a different endianness. It is based > on previous work by Cédric Le Goater: > > https://www.mail-archive.com/kvm-ppc@xxxxxxxxxxxxxxx/msg09848.html > > As suggested by MST: > - the API now asks for a specific format (big endian) instead of the hint > whether byteswap is needed or not (patch 1) > - rebased on top of the virtio-1 accessors (patch 2) > > Patch 3 is a separate fix: I think it is also valid for virtio-1. I don't think so. See e.g. this code in tun: gso.csum_offset = cpu_to_tun16(tun, skb->csum_offset); looks like it has the correct endian-ness for virtio-1. > Please comment. > > --- > > Greg Kurz (3): > vhost: add VHOST_VRING_F_LEGACY_BIG_ENDIAN flag > vhost: add support for legacy virtio > vhost_net: fix virtio_net header endianness > > > drivers/vhost/net.c | 32 ++++++++++++++++++++++++++------ > drivers/vhost/vhost.c | 6 +++++- > drivers/vhost/vhost.h | 23 +++++++++++++++++------ > include/uapi/linux/vhost.h | 2 ++ > 4 files changed, 50 insertions(+), 13 deletions(-) > > -- > Greg _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
