Re: [PATCH 2/4 v2] PCI: support ARI capability

[Roland Dreier <rdreier@xxxxxxxxx>]

 > > +config PCI_ARI
 > > +	bool "PCI ARI support"
 > > +	depends on PCI
 > > +	default n
 > > +	help
 > > +	  This enables PCI Alternative Routing-ID Interpretation.
 > 
 > This Kconfig help text is a little weak. Why not include the text
 > you've already written here:
 > 
 > 	Support Alternative Routing-ID Interpretation (ARI), which
 > 	increases the number of functions that can be supported by a PCIe
 > 	endpoint. ARI is required by SR-IOV.

I agree with this improvement to the help text.  But a further question
is whether ARI even merits its own user-visible config option.  Is it
worth having yet another choice for users?  When would someone want ARI
but not SR-IOV?

 - R.

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