Re: [PATCH 8/8] syscalls/x86: rename struct pt_regs-based sys_*() to __sys_x86_*()

From: kbuild test robot <lkp@intel.com>
To: Dominik Brodowski <linux@dominikbrodowski.net>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
	mingo@kernel.org, Linus Torvalds <torvalds@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	Andi Kleen <ak@linux.intel.com>,
	x86@kernel.org
Subject: Re: [PATCH 8/8] syscalls/x86: rename struct pt_regs-based sys_*() to __sys_x86_*()
Date: Fri, 6 Apr 2018 02:35:36 +0800	[thread overview]
Message-ID: <201804060250.L6AS31o7%fengguang.wu@intel.com> (raw)
In-Reply-To: <20180405095307.3730-9-linux@dominikbrodowski.net>

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Hi Dominik,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on next-20180405]
[cannot apply to tip/x86/core v4.16]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Dominik-Brodowski/use-struct-pt_regs-based-syscall-calling-for-x86-64/20180406-003520
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=x86_64

All errors (new ones prefixed by >>):

>> arch/x86/um/sys_call_table_64.o:(.rodata+0x0): undefined reference to `__sys_x86_read'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x8): undefined reference to `__sys_x86_write'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x10): undefined reference to `__sys_x86_open'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x18): undefined reference to `__sys_x86_close'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x20): undefined reference to `__sys_x86_newstat'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x28): undefined reference to `__sys_x86_newfstat'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x30): undefined reference to `__sys_x86_newlstat'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x38): undefined reference to `__sys_x86_poll'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x40): undefined reference to `__sys_x86_lseek'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x48): undefined reference to `__sys_x86_mmap'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x50): undefined reference to `__sys_x86_mprotect'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x58): undefined reference to `__sys_x86_munmap'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x60): undefined reference to `__sys_x86_brk'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x68): undefined reference to `__sys_x86_rt_sigaction'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x70): undefined reference to `__sys_x86_rt_sigprocmask'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x78): undefined reference to `__sys_x86_rt_sigreturn'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x80): undefined reference to `__sys_x86_ioctl'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x88): undefined reference to `__sys_x86_pread64'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x90): undefined reference to `__sys_x86_pwrite64'
>> arch/x86/um/sys_call_table_64.o:(.rodata+0x98): undefined reference to `__sys_x86_readv'

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