linux-kernel - Re: [PATCH net v1 1/1] netfilter: conntrack: Guard possoble unused functions

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Message-ID: <20240906163118.GI2097826@kernel.org>
Date: Fri, 6 Sep 2024 17:31:18 +0100
From: Simon Horman <horms@...nel.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Pablo Neira Ayuso <pablo@...filter.org>,
	Felix Huettner <felix.huettner@...l.schwarz>,
	netfilter-devel@...r.kernel.org, coreteam@...filter.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev, 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>
Subject: Re: [PATCH net v1 1/1] netfilter: conntrack: Guard possoble unused
 functions

On Fri, Sep 06, 2024 at 05:29:38PM +0100, Simon Horman wrote:
> On Thu, Sep 05, 2024 at 11:36:12PM +0300, Andy Shevchenko wrote:

...

> Hi Andy,
> 
> Local testing seems to show that the warning is still emitted
> for ctnetlink_label_size if CONFIG_NETFILTER_NETLINK_GLUE_CT is enabled
> but CONFIG_NF_CONNTRACK_EVENTS is not.
> 
> > 
> > Fix this by guarding possible unused functions with ifdeffery.
> > 
> > See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static
> > inline functions for W=1 build").
> > 
> > Fixes: 4a96300cec88 ("netfilter: ctnetlink: restore inlining for netlink message size calculation")
> 
> I'm not sure that this qualifies as a fix, rather I think it should
> be targeted at net-next without a Fixes tag.
> 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> 
> ...

Sorry, one more minor thing: possible is misspelt in the subject.