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Re: [PATCH 1/2] tools/ctrl: Silence missing GSI in xc_pcidev_get_gsi()



On Wed, Feb 26, 2025 at 03:10:21PM -0500, Jason Andryuk wrote:
> It is valid for a PCI device to not have a legacy IRQ.  In that case, do
> not print an error to keep the lgs clean.
                                 ^ logs?
> 
> This relies on pciback being updated to return -ENOENT for a missing
> GSI.
> 
> Fixes: b93e5981d258 ("tools: Add new function to get gsi from dev")
> Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx>

Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

> ---
>  tools/libs/ctrl/xc_linux.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/libs/ctrl/xc_linux.c b/tools/libs/ctrl/xc_linux.c
> index 92591e49a1..c18f09392f 100644
> --- a/tools/libs/ctrl/xc_linux.c
> +++ b/tools/libs/ctrl/xc_linux.c
> @@ -78,7 +78,8 @@ int xc_pcidev_get_gsi(xc_interface *xch, uint32_t sbdf)
>                  IOCTL_PRIVCMD_PCIDEV_GET_GSI, &dev_gsi);
>  
>      if (ret < 0) {
> -        PERROR("Failed to get gsi from dev");
> +        if (errno != ENOENT)
> +            PERROR("Failed to get gsi from dev");

Nit: isn't the style of xc_pcidev_get_gsi() wrong?  From what I see in
this same file and all other files in libs/ctrl it should use the
hypervisor coding style.

Thanks, Roger.



 


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