[PATCH v6] bus/pci: fix legacy device IO port map

[Gupta, Nipun]

On 11/14/2023 3:54 PM, Mingjin Ye wrote:
> When doing IO port mapping for legacy device in secondary process, the
> region information is missing, so, we need to refill it.
> 
> Fixes: 4b741542ecde ("bus/pci: avoid depending on private kernel value")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Mingjin Ye <mingjinx.ye at intel.com>
> ---
> v6:
>   - split patch
> v5:
>   - adding checks to vfio setup
> v4:
>   - adjusting commit log
> v3:
>   - adjusting variable settings
> v2:
>   - add release of device in pci_vfio_ioport_unmap
> ---
>   drivers/bus/pci/linux/pci_vfio.c | 26 ++++++++++++++++++++++++++
>   1 file changed, 26 insertions(+)
> 
> diff --git a/drivers/bus/pci/linux/pci_vfio.c b/drivers/bus/pci/linux/pci_vfio.c
> index 3f3201daf2..a18161c27b 100644
> --- a/drivers/bus/pci/linux/pci_vfio.c
> +++ b/drivers/bus/pci/linux/pci_vfio.c
> @@ -1230,6 +1230,32 @@ pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
>   		return -1;
>   	}
>   
> +	if (rte_eal_process_type() == RTE_PROC_SECONDARY) {

Please add a comment why we are doing this in secondary only. With this 
change/comment incorporated

Acked-by: Nipun Gupta <nipun.gupta at amd.com>