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Message-ID: <ZusHYUGYPADO1SgY@smile.fi.intel.com>
Date: Wed, 18 Sep 2024 20:01:21 +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 04:29:14PM +0200, Pablo Neira Ayuso wrote:
> On Wed, Sep 18, 2024 at 04:55:15PM +0300, Andy Shevchenko wrote:
> > 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?
>
> Yes, it also remove a #define ctnetlink_label_size() macro in patch #1.
> I am fine with this series as is.
What I meant is that the original patch 1 takes care about definitions of
two functions. Not just a single one.
--
With Best Regards,
Andy Shevchenko
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