linux-kernel - Re: linux-next: build warning after merge of the tip tree

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Date:   Tue, 7 Jan 2020 08:16:04 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Shile Zhang <shile.zhang@...ux.alibaba.com>
Subject: Re: linux-next: build warning after merge of the tip tree


* Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi all,
> 
> [This has been happening for a while, I just missed it :-( ]
> 
> After merging the tip tree, today's linux-next build (x86_64 allnoconfig)
> produced this warning:
> 
> arch/x86/kernel/unwind_orc.c:210:12: warning: 'orc_sort_cmp' defined but not used [-Wunused-function]
>   210 | static int orc_sort_cmp(const void *_a, const void *_b)
>       |            ^~~~~~~~~~~~
> arch/x86/kernel/unwind_orc.c:190:13: warning: 'orc_sort_swap' defined but not used [-Wunused-function]
>   190 | static void orc_sort_swap(void *_a, void *_b, int size)
>       |             ^~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   f14bf6a350df ("x86/unwind/orc: Remove boot-time ORC unwind tables sorting")

Now fixed via:

  22a7fa8848c5: ("x86/unwind/orc: Fix !CONFIG_MODULES build warning")

Will push it out after some testing, should go out with the next 
tip:auto-latest version.

Thanks,

	Ingo