netdev - Re: [PATCH nf-next 0/2] netfilter: conntrack: label helpers conditional compilation updates

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Message-ID: <Zurbw1-Fl0EfdC0l@smile.fi.intel.com>
Date: Wed, 18 Sep 2024 16:55:15 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Pablo Neira Ayuso <pablo@...filter.org>
Cc: Simon Horman <horms@...nel.org>,
	Jozsef Kadlecsik <kadlec@...filter.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	netdev@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH nf-next 0/2] netfilter: conntrack: label helpers
 conditional compilation updates

On Wed, Sep 18, 2024 at 01:52:14PM +0200, Pablo Neira Ayuso wrote:
> On Mon, Sep 16, 2024 at 04:14:40PM +0100, Simon Horman wrote:
> > Hi,
> > 
> > This short series updates conditional compilation of label helpers to:
> > 
> > 1) Compile them regardless of if CONFIG_NF_CONNTRACK_LABELS is enabled
> >    or not. It is safe to do so as the functions will always return 0 if
> >    CONFIG_NF_CONNTRACK_LABELS is not enabled.  And the compiler should
> >    optimise waway the code.  Which is the desired behaviour.
> > 
> > 2) Only compile ctnetlink_label_size if CONFIG_NF_CONNTRACK_EVENTS is
> >    enabled.  This addresses a warning about this function being unused
> >    in this case.
> 
> Patch 1)
> 
> -#ifdef CONFIG_NF_CONNTRACK_LABELS
>  static inline int ctnetlink_label_size(const struct nf_conn *ct)
> 
> Patch 2)
> 
> +#ifdef CONFIG_NF_CONNTRACK_EVENTS
>  static inline int ctnetlink_label_size(const struct nf_conn *ct)
> 
> They both refer to ctnetlink_label_size(), #ifdef check is not
> correct.

But the first one touches more, no?

-- 
With Best Regards,
Andy Shevchenko