linux-kernel - Re: [kbuild-all] arch/xtensa/include/asm/initialize_mmu.h:55: Error: invalid register 'atomctl' for 'wsr' instruction

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Message-ID: <20160726044257.GA29614@wfg-t540p.sh.intel.com>
Date:	Tue, 26 Jul 2016 12:42:57 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Max Filippov <jcmvbkbc@...il.com>
Cc:	Chris Zankel <chris@...kel.net>, kbuild-all@...org,
	LKML <linux-kernel@...r.kernel.org>,
	Philip Li <philip.li@...el.com>
Subject: Re: [kbuild-all] arch/xtensa/include/asm/initialize_mmu.h:55: Error:
 invalid register 'atomctl' for 'wsr' instruction

Hi Max,

On Tue, Jul 26, 2016 at 02:20:25AM +0300, Max Filippov wrote:
>Hi Fengguang,
>
>On Fri, Jul 22, 2016 at 3:44 PM, Fengguang Wu <fengguang.wu@...el.com> wrote:
>> On Fri, Jul 22, 2016 at 06:32:28PM +0800, kbuild test robot wrote:
>>> FYI, the error/warning still remains.
>>>
>>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>> master
>>> head:   47ef4ad2684d380dd6d596140fb79395115c3950
>>> commit: 9da8320bb97768e35f2e64fa7642015271d672eb xtensa: add
>>> test_kc705_hifi variant
>>> date:   4 months ago
>>> config: xtensa-audio_kc705_defconfig (attached as .config)
>>> compiler: xtensa-linux-gcc (GCC) 4.9.0
>>
>>> All errors (new ones prefixed by >>):
>>>
>>>   arch/xtensa/include/asm/initialize_mmu.h: Assembler messages:
>>>>>
>>>>> arch/xtensa/include/asm/initialize_mmu.h:55: Error: invalid register
>>>>> 'atomctl' for 'wsr' instruction
>>>
>>> --
>>>   arch/xtensa/kernel/coprocessor.S: Assembler messages:
>>>>>
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'rur.ae_ovf_sar'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'rur.ae_bithead'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'rur.ae_ts_fts_bu_bp'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'rur.ae_cw_sd_no'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'rur.ae_cbegin0'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'rur.ae_cend0'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'ae_s64.i'
>>>>> arch/xtensa/kernel/coprocessor.S:93: Error: unknown opcode or format
>>>>> name 'ae_s64.i'
>>
>> Are they really matter? Or I can shut these errors up.
>
>Looks like I haven't supplied you with the compiler for test_kc705_hifi, for
>which these errors are reported. I've built it and put it here:
>
>  http://jcmvbkbc.spb.ru/~jcmvbkbc/tmp/201604261801/x86_64-gcc-5.3.0-nolibc-xtensa-test_kc705_hifi-elf.tar.xz
>
>Please integrate it into your system along with other xtensa compilers.

OK, done. :)

Thanks,
Fengguang