Re: [PATCH] devargs: fix scan mode configuration in add

[Thomas Monjalon <thomas@monjalon.net>]

02/08/2017 10:55, Gaetan Rivet:
> When adding rte_devargs to the list, a check is performed on the
> intended bus that should use this rte_devargs. This bus configuration is
> for the time being only set once when the first rte_devargs is added to
> it. If the bus configuration has previously been set, then the rte_devargs
> insertion fails.

Sorry, I don't understand which logic is changed :)
Maybe it would be easier with an example?

> Failure occuring upon detection of the set configuration is an API
> change. While rules will certainly be enforced in the next rte_devargs
> API, none were previously enforced and this should be respected until
> this API is deprecated.
> 
> The bus configuration is meant to evolve soon, but in the meantime it
> should strictly follow the current rte_eal_devargs_add API.
> 
> The rte_devargs unit tests are failing due to this API change. Revert
> this evolution, it will be reintroduced properly in the next release if
> necessary.

So this is a revert.
I think the title start with "revert" instead of "fix" as you seem
to go back to the old behaviour.