linux-kernel - Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure

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Date: Thu, 29 Feb 2024 15:53:20 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Tasmiya Nalatwad <tasmiya@...ux.vnet.ibm.com>, Vadim Fedorenko <vadim.fedorenko@...ux.dev>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, arkadiusz.kubalewski@...el.com, 
	jiri@...dia.com, "abdhalee@...ux.vnet.ibm.com" <abdhalee@...ux.vnet.ibm.com>, 
	"mputtash@...ux.vnet.com" <mputtash@...ux.vnet.com>, "sachinp@...ux.vnet.com" <sachinp@...ux.vnet.com>, 
	venkat88@...ux.vnet.ibm.com, 
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [revert 0d60d8df6f49] [net/net-next] [6.8-rc5] Build Failure

On Thu, Feb 29, 2024 at 3:47 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 29 Feb 2024 09:55:22 +0100 Eric Dumazet wrote:
> > I do not see other solution than this, otherwise we have to add more
> > pollution to include/linux/netdevice.h
>
> Right :(
>
> > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> > index a9c973b92294bb110cf3cd336485972127b01b58..40797ea80bc6273cae6b7773d0a3e47459a72150
> > 100644
> > --- a/include/linux/netdevice.h
> > +++ b/include/linux/netdevice.h
> > @@ -2469,7 +2469,7 @@ struct net_device {
> >         struct devlink_port     *devlink_port;
> >
> >  #if IS_ENABLED(CONFIG_DPLL)
> > -       struct dpll_pin __rcu   *dpll_pin;
> > +       void __rcu *dpll_pin;
> >  #endif
>
> If DPLL wants to hide its type definitions the helpers must live
> in dpll? IOW move netdev_dpll_pin() to drivers/dpll/dpll_core.c

Oh for some reason I thought this stuff was a module.

Otherwise, why having dpll 'core' helpers in net/core/dev.c