[dpdk-dev] [PATCH] net/virtio-user: fix dev_init in legacy-mem mode
Wang, Xiao W
xiao.w.wang at intel.com
Thu May 17 10:07:08 CEST 2018
Hi,
> -----Original Message-----
> From: Maxime Coquelin [mailto:maxime.coquelin at redhat.com]
> Sent: Thursday, May 17, 2018 4:03 PM
> To: Wang, Xiao W <xiao.w.wang at intel.com>
> Cc: dev at dpdk.org; Bie, Tiwei <tiwei.bie at intel.com>; Yao, Lei A
> <lei.a.yao at intel.com>
> Subject: Re: [PATCH] net/virtio-user: fix dev_init in legacy-mem mode
>
> Hi Xiao,
>
> Next time, could you please devtools/check-git-log.sh script before
> posting.
OK, thanks!
BRs,
Xiao
>
> I tihnk the commit title should be changed to:
> net/virtio-user: fix device init in legacy-mem mode
>
> On 05/17/2018 09:35 AM, Xiao Wang wrote:
> > In legacy-mem mode, memory event callback registering is not supported,
> > we should not return error in dev_init on this case.
> >
> > Fixes: 12ecb2f63b12 ("net/virtio-user: support memory hotplug")
> >
> > Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
> > Suggested-by: Tiwei Bie <tiwei.bie at intel.com>
>
> I think the suggested-by line should go above the signed-off one,
> as it was suggested before being implemented.
>
> > ---
> > drivers/net/virtio/virtio_user/virtio_user_dev.c | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > index 992a68757..bd16fbb60 100644
> > --- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > +++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
> > @@ -445,8 +445,11 @@ virtio_user_dev_init(struct virtio_user_dev *dev,
> char *path, int queues,
> >
> > if
> (rte_mem_event_callback_register(VIRTIO_USER_MEM_EVENT_CLB_NAME,
> > virtio_user_mem_event_cb, dev)) {
> > - PMD_INIT_LOG(ERR, "Failed to register mem event
> callback\n");
> > - return -1;
> > + if (rte_errno != ENOTSUP) {
> > + PMD_INIT_LOG(ERR, "Failed to register mem event"
> > + " callback\n");
> > + return -1;
> > + }
> > }
> >
> > return 0;
> >
>
> Apart above minor comments, the patch looks good to me:
> Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
>
> I'll handle the changes when applying.
>
> Thanks,
> Maxime
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