Re: [patch v6 6/7] PCI/MSI: Remove obsolete sanity checks for multiple interrupt sets

[Ming Lei <ming.lei@redhat.com>]

On Sat, Feb 16, 2019 at 06:13:12PM +0100, Thomas Gleixner wrote:
> Multiple interrupt sets for affinity spreading are now handled in the core
> code and the number of sets and their size is recalculated via a driver
> supplied callback.
> 
> That avoids the requirement to invoke pci_alloc_irq_vectors_affinity() with
> the arguments minvecs and maxvecs set to the same value and the callsite
> handling the ENOSPC situation.
> 
> Remove the now obsolete sanity checks and the related comments.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> 
> ---
>  drivers/pci/msi.c |   14 --------------
>  1 file changed, 14 deletions(-)
> 
> --- a/drivers/pci/msi.c
> +++ b/drivers/pci/msi.c
> @@ -1035,13 +1035,6 @@ static int __pci_enable_msi_range(struct
>  	if (maxvec < minvec)
>  		return -ERANGE;
>  
> -	/*
> -	 * If the caller is passing in sets, we can't support a range of
> -	 * vectors. The caller needs to handle that.
> -	 */
> -	if (affd && affd->nr_sets && minvec != maxvec)
> -		return -EINVAL;
> -
>  	if (WARN_ON_ONCE(dev->msi_enabled))
>  		return -EINVAL;
>  
> @@ -1093,13 +1086,6 @@ static int __pci_enable_msix_range(struc
>  	if (maxvec < minvec)
>  		return -ERANGE;
>  
> -	/*
> -	 * If the caller is passing in sets, we can't support a range of
> -	 * supported vectors. The caller needs to handle that.
> -	 */
> -	if (affd && affd->nr_sets && minvec != maxvec)
> -		return -EINVAL;
> -
>  	if (WARN_ON_ONCE(dev->msix_enabled))
>  		return -EINVAL;
>  
> 
> 

Reviewed-by: Ming Lei <ming.lei@redhat.com>

Thanks,
Ming