Acked-by: Gage Eads <gage.e...@intel.com>
Thanks!
Gage
> -----Original Message-----
> From: Zhang, Qi Z
> Sent: Monday, September 3, 2018 3:50 AM
> To: dev@dpdk.org
> Cc: tho...@monjalon.net; Burakov, Anatoly <anatoly.bura...@intel.com>;
> Eads, Gage <gage.e...@intel.com>; Zhang, Qi Z <qi.z.zh...@intel.com>;
> sta...@dpdk.org
> Subject: [PATCH v2] bus/vdev: fix wrong error log on secondary device scan
>
> When a secondary process handles VDEV_SCAN_ONE mp action, it is possible
> the device is already be inserted. This happens when we have multiple
> secondary
> processes which cause multiple broadcasts from primary during
> bus->scan. So we don't need to log any error for -EEXIST.
>
> Bugzilla ID: 84
> Fixes: cdb068f031c6 ("bus/vdev: scan by multi-process channel")
> Cc: sta...@dpdk.org
>
> Reported-by: Eads Gage <gage.e...@intel.com>
> Signed-off-by: Qi Zhang <qi.z.zh...@intel.com>
> ---
>
> v2:
> - change log level to DEBUG for the case device already exist.
>
> drivers/bus/vdev/vdev.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/bus/vdev/vdev.c b/drivers/bus/vdev/vdev.c index
> 6139dd551..69dee89a8 100644
> --- a/drivers/bus/vdev/vdev.c
> +++ b/drivers/bus/vdev/vdev.c
> @@ -346,6 +346,7 @@ vdev_action(const struct rte_mp_msg *mp_msg, const
> void *peer)
> const struct vdev_param *in = (const struct vdev_param *)mp_msg-
> >param;
> const char *devname;
> int num;
> + int ret;
>
> strlcpy(mp_resp.name, VDEV_MP_KEY, sizeof(mp_resp.name));
> mp_resp.len_param = sizeof(*ou);
> @@ -380,7 +381,10 @@ vdev_action(const struct rte_mp_msg *mp_msg, const
> void *peer)
> break;
> case VDEV_SCAN_ONE:
> VDEV_LOG(INFO, "receive vdev, %s", in->name);
> - if (insert_vdev(in->name, NULL, NULL) < 0)
> + ret = insert_vdev(in->name, NULL, NULL);
> + if (ret == -EEXIST)
> + VDEV_LOG(DEBUG, "device already exist, %s", in-
> >name);
> + else if (ret < 0)
> VDEV_LOG(ERR, "failed to add vdev, %s", in->name);
> break;
> default:
> --
> 2.13.6
