Re: [PATCH] vfio/pci: demote hiding ecap messages to debug level

[Yanghang Luy]

Tested-by: YangHang Liu <yanghliu@xxxxxxxxxx>

On 5/4/2023 9:16 PM, Oleksandr Natalenko wrote:
> Seeing a burst of messages like this:
>
>      vfio-pci 0000:98:00.0: vfio_ecap_init: hiding ecap 0x19@0x1d0
>      vfio-pci 0000:98:00.0: vfio_ecap_init: hiding ecap 0x25@0x200
>      vfio-pci 0000:98:00.0: vfio_ecap_init: hiding ecap 0x26@0x210
>      vfio-pci 0000:98:00.0: vfio_ecap_init: hiding ecap 0x27@0x250
>      vfio-pci 0000:98:00.1: vfio_ecap_init: hiding ecap 0x25@0x200
>      vfio-pci 0000:b1:00.0: vfio_ecap_init: hiding ecap 0x19@0x1d0
>      vfio-pci 0000:b1:00.0: vfio_ecap_init: hiding ecap 0x25@0x200
>      vfio-pci 0000:b1:00.0: vfio_ecap_init: hiding ecap 0x26@0x210
>      vfio-pci 0000:b1:00.0: vfio_ecap_init: hiding ecap 0x27@0x250
>      vfio-pci 0000:b1:00.1: vfio_ecap_init: hiding ecap 0x25@0x200
>
> is of little to no value for an ordinary user.
>
> Hence, use pci_dbg() instead of pci_info().
>
> Signed-off-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
> ---
>   drivers/vfio/pci/vfio_pci_config.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
> index 948cdd464f4e..dd8dda14e701 100644
> --- a/drivers/vfio/pci/vfio_pci_config.c
> +++ b/drivers/vfio/pci/vfio_pci_config.c
> @@ -1643,7 +1643,7 @@ static int vfio_ecap_init(struct vfio_pci_core_device *vdev)
>   		}
>   
>   		if (!len) {
> -			pci_info(pdev, "%s: hiding ecap %#x@%#x\n",
> +			pci_dbg(pdev, "%s: hiding ecap %#x@%#x\n",
>   				 __func__, ecap, epos);
>   
>   			/* If not the first in the chain, we can skip over it */