netdev - Re: linux-next: build failure in Linus' tree

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Message-ID: <20210720164531.3f122a89@canb.auug.org.au>
Date:   Tue, 20 Jul 2021 16:45:31 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <steen.hegelund@...rochip.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>
Subject: Re: linux-next: build failure in Linus' tree

Hi all,

On Thu, 15 Jul 2021 09:50:32 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> While compiling Linus' tree, a powerpc-allmodconfig build (and others)
> with gcc 4.9 failed like this:
> 
> drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c: In function 'ifh_encode_bitfield':
> include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_431' declared with attribute error: Unsupported width, must be <= 40
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>                                       ^
> include/linux/compiler_types.h:309:4: note: in definition of macro '__compiletime_assert'
>     prefix ## suffix();    \
>     ^
> include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert'
>   _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
>   ^
> drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c:28:2: note: in expansion of macro 'compiletime_assert'
>   compiletime_assert(width <= 40, "Unsupported width, must be <= 40");
>   ^
> 
> Caused by commit
> 
>   f3cad2611a77 ("net: sparx5: add hostmode with phylink support")
> 
> I guess this is caused by the call to ifh_encode_bitfield() not being
> inlined.

I am still getting these failures.

-- 
Cheers,
Stephen Rothwell

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