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Re: [Qemu-devel] [PATCH v4 1/6] virtio-net: use the backend cross-endian
From: |
Greg Kurz |
Subject: |
Re: [Qemu-devel] [PATCH v4 1/6] virtio-net: use the backend cross-endian capabilities |
Date: |
Fri, 5 Feb 2016 16:41:49 +0100 |
On Fri, 5 Feb 2016 12:33:44 +0100
Cornelia Huck <address@hidden> wrote:
> On Fri, 05 Feb 2016 11:43:11 +0100
> Greg Kurz <address@hidden> wrote:
>
> > +static bool virtio_net_set_vnet_endian(VirtIODevice *vdev, NetClientState
> > *ncs,
> > + int queues, bool enable)
>
> You might consider adding a comment like "returns whether endianness
> handling needs to fall back to the device" or so, as it's not
> immediately obvious what true/false is supposed to mean. But the patch
> is fine.
>
I agree it is not that obvious. If Michael agrees, I'll send a followup
patch when these series has been applied.
Thanks.
--
Greg
> > +{
> > + int i;
> > +
> > + for (i = 0; i < queues; i++) {
> > + if (virtio_net_set_vnet_endian_one(vdev, ncs[i].peer, enable) < 0
> > &&
> > + enable) {
> > + while (--i >= 0) {
> > + virtio_net_set_vnet_endian_one(vdev, ncs[i].peer, false);
> > + }
> > +
> > + return true;
> > + }
> > + }
> > +
> > + return false;
> > +}
- [Qemu-devel] [PATCH v4 0/6] virtio/vhost cross-endian cleanup, Greg Kurz, 2016/02/05
- [Qemu-devel] [PATCH v4 1/6] virtio-net: use the backend cross-endian capabilities, Greg Kurz, 2016/02/05
- [Qemu-devel] [PATCH v4 2/6] vhost-net: revert support of cross-endian vnet headers, Greg Kurz, 2016/02/05
- [Qemu-devel] [PATCH v4 3/6] virtio: move cross-endian helper to vhost, Greg Kurz, 2016/02/05
- [Qemu-devel] [PATCH v4 4/6] vhost: move virtio 1.0 check to cross-endian helper, Greg Kurz, 2016/02/05
- [Qemu-devel] [PATCH v4 5/6] vhost: simplify vhost_needs_vring_endian(), Greg Kurz, 2016/02/05
- [Qemu-devel] [PATCH v4 6/6] virtio: optimize virtio_access_is_big_endian() for little-endian targets, Greg Kurz, 2016/02/05
- Re: [Qemu-devel] [PATCH v4 0/6] virtio/vhost cross-endian cleanup, Laurent Vivier, 2016/02/05
- Re: [Qemu-devel] [PATCH v4 0/6] virtio/vhost cross-endian cleanup, Laurent Vivier, 2016/02/10