On Tue, 2014-08-05 at 22:29 +1000, Alexey Kardashevskiy wrote:
> The existing vfio_pci_open() fails if there is no EEH support for PCI.
> This breaks POWER7's P5IOC2 PHB support which this patch brings back.
> 
> Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru>
> ---
>  drivers/vfio/pci/vfio_pci.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
> index e2ee80f..63a73c0 100644
> --- a/drivers/vfio/pci/vfio_pci.c
> +++ b/drivers/vfio/pci/vfio_pci.c
> @@ -179,10 +179,8 @@ static int vfio_pci_open(void *device_data)
>                       goto error;
>  
>               ret = vfio_spapr_pci_eeh_open(vdev->pdev);
> -             if (ret) {
> -                     vfio_pci_disable(vdev);
> -                     goto error;
> -             }
> +             if (ret)
> +                     pr_warn("EEH is not supported\n");

Is this really deserving of a warn?  Does it need a warning every time?
pr_warn_once?  pr_info?  pr_info_once?

PS - kvm is the official vfio mailing list; suggest keeping it cc'd

>       }
>  
>       return 0;



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