[dpdk-dev] [PATCH 3/7] eal: move virtual device probing into a bus

[Shreyansh Jain]

On Wednesday 15 February 2017 03:32 PM, Jan Blunck wrote:
> This is a refactoring of the virtual device probing which moves into into
> a proper bus structure.
>
> Signed-off-by: Jan Blunck <jblunck at infradead.org>
> ---
>  lib/librte_eal/common/eal_common_dev.c  | 22 -----------------
>  lib/librte_eal/common/eal_common_vdev.c | 44 +++++++++++++++++++++++++++++++++
>  2 files changed, 44 insertions(+), 22 deletions(-)
>

[...]

>
> diff --git a/lib/librte_eal/common/eal_common_vdev.c b/lib/librte_eal/common/eal_common_vdev.c
> index 7d6e54f..523a3d6 100644
> --- a/lib/librte_eal/common/eal_common_vdev.c
> +++ b/lib/librte_eal/common/eal_common_vdev.c
> @@ -37,8 +37,10 @@
>  #include <stdint.h>
>  #include <sys/queue.h>
>
[...]

> +
> +static struct rte_bus rte_vdev_bus = {
> +	.scan = vdev_scan,
> +	.probe = vdev_probe,
> +};
> +
> +RTE_REGISTER_BUS_LATE(virtual, rte_vdev_bus);
>

Does it matter if VDEV buses are registered before or after other
buses? Either way, the callbacks would be called in the order specified
in EAL.