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Re: [kbuild-all] arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.

From Fengguang Wu <fengguang.wu@intel.com>
Newsgroups linux.kernel
Subject Re: [kbuild-all] arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
Date 2017-03-06 02:30 +0100
Message-ID <thPDj-ro-3@gated-at.bofh.it> (permalink)
References <thrKF-8kZ-3@gated-at.bofh.it> <thMcp-6mA-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Stafford,

On Mon, Mar 06, 2017 at 06:40:41AM +0900, Stafford Horne wrote:
>On Sun, Mar 05, 2017 at 07:56:25AM +0800, kbuild test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   2d62e0768d3c28536d4cfe4c40ba1e5e8e442a93
>> commit: 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad openrisc: add atomic bitops
>> date:   8 days ago
>> config: openrisc-or1ksim_defconfig (attached as .config)
>> compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
>
>Hello,
>
>This should not happen, I patched make.cross to download the
>or1k-linux-gcc toolchain.
>
>Could you let me know if there is really something wrong? Maybe an old
>version or make.cross on this host?

Ah sorry I forgot to change the robot code accordingly, which relies
on pre-downloaded cross binaries. Will do so right away.

Thanks,
Fengguang

>> reproduce:
>>         wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>>         chmod +x ~/bin/make.cross
>>         git checkout 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad
>>         # save the attached .config to linux build tree
>>         make.cross ARCH=openrisc
>>
>> All errors (new ones prefixed by >>):
>>
>>    arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> --
>>    arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> --
>>    arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>>    arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    net/core/dev.c: In function 'validate_xmit_skb_list':
>>    net/core/dev.c:2989:39: warning: 'tail' may be used uninitialized in this function
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> --
>>    arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>>    arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>
>> vim +35 arch/openrisc/include/asm/bitops/atomic.h
>>
>>     29	static inline void clear_bit(int nr, volatile unsigned long *addr)
>>     30	{
>>     31		unsigned long mask = BIT_MASK(nr);
>>     32		unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
>>     33		unsigned long tmp;
>>     34	
>>   > 35		__asm__ __volatile__(
>>     36			"1:	l.lwa	%0,0(%1)	\n"
>>   > 37			"	l.and	%0,%0,%2	\n"
>>     38			"	l.swa	0(%1),%0	\n"
>>     39			"	l.bnf	1b		\n"
>>     40			"	 l.nop			\n"
>>
>> ---
>> 0-DAY kernel test infrastructure                Open Source Technology Center
>> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
>
>
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>kbuild-all@lists.01.org
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arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2  `l.lwa'. kbuild test robot <fengguang.wu@intel.com> - 2017-03-05 01:00 +0100
  Re: arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown  opcode2 `l.lwa'. Stafford Horne <shorne@gmail.com> - 2017-03-05 22:50 +0100
    Re: [kbuild-all] arch/openrisc/include/asm/bitops/atomic.h:35:  Error: unknown opcode2 `l.lwa'. Fengguang Wu <fengguang.wu@intel.com> - 2017-03-06 02:30 +0100

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