linux-kernel - Re: [tip:x86/urgent 2/2] include/linux/syscalls.h:194:18: error: conflicting types for 'sys

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Message-ID: <alpine.DEB.2.21.1803142226120.1946@nanos.tec.linutronix.de>
Date:   Wed, 14 Mar 2018 22:27:13 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     kbuild test robot <fengguang.wu@...el.com>
cc:     "Tautschnig, Michael" <tautschn@...zon.co.uk>, kbuild-all@...org,
        linux-kernel@...r.kernel.org, tipbuild@...or.com,
        Michael Tautschnig <tautschn@...zon.com>
Subject: Re: [tip:x86/urgent 2/2] include/linux/syscalls.h:194:18: error:
 conflicting types for 'sys_sigreturn'

On Thu, 15 Mar 2018, kbuild test robot wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/urgent
> head:   1227b344de283f96c41de02cde4b26d5290f5302
> commit: 1227b344de283f96c41de02cde4b26d5290f5302 [2/2] x86/sigreturn: Use SYSCALL_DEFINE0
> config: i386-randconfig-x073-201810 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
>         git checkout 1227b344de283f96c41de02cde4b26d5290f5302
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> All error/warnings (new ones prefixed by >>):
> 
>    In file included from arch/x86/kernel/signal.c:28:0:
> >> include/linux/syscalls.h:194:18: error: conflicting types for 'sys_sigreturn'
>      asmlinkage long sys_##sname(void)
>                      ^
> >> arch/x86/kernel/signal.c:605:1: note: in expansion of macro 'SYSCALL_DEFINE0'
>     SYSCALL_DEFINE0(sigreturn)
>     ^~~~~~~~~~~~~~~

Zapped the commit. Michael, can you please have a look?

Thanks,

	tglx