netdev - Re: [patch net-next 3/3] netdevsim: create devlink and netdev instances in namespace

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Date:   Tue, 30 Jul 2019 10:14:11 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        sthemmin@...rosoft.com, dsahern@...il.com, mlxsw@...lanox.com
Subject: Re: [patch net-next 3/3] netdevsim: create devlink and netdev
 instances in namespace

On Tue, 30 Jul 2019 08:06:55 +0200, Jiri Pirko wrote:
> >> diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h
> >> index 79c05af2a7c0..cdf53d0e0c49 100644
> >> --- a/drivers/net/netdevsim/netdevsim.h
> >> +++ b/drivers/net/netdevsim/netdevsim.h
> >> @@ -19,6 +19,7 @@
> >>  #include <linux/netdevice.h>
> >>  #include <linux/u64_stats_sync.h>
> >>  #include <net/devlink.h>
> >> +#include <net/net_namespace.h>  
> >
> >You can just do a forward declaration, no need to pull in the header.  
> 
> Sure, but why?

Less time to compile the kernel after net_namespace.h was touched.
Don't we all spend more time that we would like to recompiling the
kernel? :(  Not a huge deal if you have a strong preference.