linux-kernel - Re: [PATCH] netfilter: conntrack: Force inlining of build check to prevent build failure

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Message-ID: <20170503123832.GB27809@breakpoint.cc>
Date:   Wed, 3 May 2017 14:38:32 +0200
From:   Florian Westphal <fw@...len.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Florian Westphal <fw@...len.de>,
        Pablo Neira Ayuso <pablo@...filter.org>,
        Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
        Arnd Bergmann <arnd@...db.de>, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netfilter: conntrack: Force inlining of build check to
 prevent build failure

Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> If gcc (e.g. 4.1.2) decides not to inline total_extension_size(), the
> build will fail with:
> 
>     net/built-in.o: In function `nf_conntrack_init_start':
>     (.text+0x9baf6): undefined reference to `__compiletime_assert_1893'
> 
> or
> 
>     ERROR: "__compiletime_assert_1893" [net/netfilter/nf_conntrack.ko] undefined!
> 
> Fix this by forcing inlining of total_extension_size().

Sorry about that, thanks for the fix Geert.

Acked-by: Florian Westphal <fw@...len.de>