Re: linux-next: build failure after merge of the net-next tree

From: Stephen Rothwell
Date: Thu Sep 06 2018 - 20:21:01 EST


Hi all,

On Mon, 3 Sep 2018 09:47:02 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> After merging the net-next tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> In file included from drivers/net/ethernet/intel/i40e/i40e_ethtool.c:9:
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c: In function '__i40e_add_stat_strings':
> drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h:193:20: error: function '__i40e_add_stat_strings' can never be inlined because it uses variable argument lists
> static inline void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[],
> ^~~~~~~~~~~~~~~~~~~~~~~
>
> Caused by commit
>
> 8fd75c58a09a ("i40e: move ethtool stats boiler plate code to i40e_ethtool_stats.h")
>
> It is not clear this patch has any value anyway as the moved functions
> are only used in the file they were moved from.
>
> I reverted that commit for today.
>
> The same problem would exist in drivers/net/ethernet/intel/i40evf (where
> a lot of code is duplicated from drivers/net/ethernet/intel/i40e) except
> that this function is not declared inline there.
> Luckily, i40e_ethtool_stats.h is only included my one file
> drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c, otherwise there
> would be multiple copies of __i40e_add_stat_strings().
>
> Surely there is some scope for factoring out some common code between
> these two drivers?

Ping?

--
Cheers,
Stephen Rothwell

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