linux-kernel - Re: arch/arm/kernel/traps.c:775:6: warning: no previous prototype for function 'abort'

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Date:   Thu, 9 Dec 2021 15:34:42 +0000
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     kernel test robot <lkp@...el.com>
Cc:     Ard Biesheuvel <ardb@...nel.org>, llvm@...ts.linux.dev,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: arch/arm/kernel/traps.c:775:6: warning: no previous prototype
 for function 'abort'

On Thu, Dec 09, 2021 at 11:22:48PM +0800, kernel test robot wrote:
> Hi Ard,
> 
> FYI, the error/warning still remains.

This is nothing new. You claim that the abort() warning newly shows up
as a result of a recent change, but I can most definitely assure you
that abort() has never had a prototype, and it's there because the
compiler can generate code that issues a branch to this function.

This can be seen in the blame output, which references the first commit
in the kernel tree for these lines.

-- 
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