linux-kernel - arch/powerpc/kernel/swsusp_asm64.S:188: Error: missing operand

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Date:	Sun, 28 Feb 2016 11:07:41 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Anton Blanchard <anton@...ba.org>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	Michael Ellerman <mpe@...erman.id.au>
Subject: arch/powerpc/kernel/swsusp_asm64.S:188: Error: missing operand

Hi Anton,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   12b9fa6a97b3150477ab182e321be512b59fa899
commit: 238abecde8ad43f914e095fcf23e0bd35dc7a7f2 powerpc: Don't use gcc specific options on clang
date:   9 months ago
config: powerpc-allmodconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 238abecde8ad43f914e095fcf23e0bd35dc7a7f2
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/kernel/swsusp_asm64.S: Assembler messages:
>> arch/powerpc/kernel/swsusp_asm64.S:188: Error: missing operand
--
   /tmp/ccNMqukp.s: Assembler messages:
>> /tmp/ccNMqukp.s: Error: .size expression for aes_p8_set_encrypt_key does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for .aes_p8_set_encrypt_key does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for aes_p8_set_decrypt_key does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for .aes_p8_set_decrypt_key does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for aes_p8_encrypt does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for .aes_p8_encrypt does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for aes_p8_decrypt does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for .aes_p8_decrypt does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for aes_p8_cbc_encrypt does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for .aes_p8_cbc_encrypt does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for aes_p8_ctr32_encrypt_blocks does not evaluate to a constant
>> /tmp/ccNMqukp.s: Error: .size expression for .aes_p8_ctr32_encrypt_blocks does not evaluate to a constant
--
   /tmp/ccLctjWq.s: Assembler messages:
>> /tmp/ccLctjWq.s: Error: .size expression for gcm_init_p8 does not evaluate to a constant
>> /tmp/ccLctjWq.s: Error: .size expression for .gcm_init_p8 does not evaluate to a constant
>> /tmp/ccLctjWq.s: Error: .size expression for gcm_gmult_p8 does not evaluate to a constant
>> /tmp/ccLctjWq.s: Error: .size expression for .gcm_gmult_p8 does not evaluate to a constant
>> /tmp/ccLctjWq.s: Error: .size expression for gcm_ghash_p8 does not evaluate to a constant
>> /tmp/ccLctjWq.s: Error: .size expression for .gcm_ghash_p8 does not evaluate to a constant

vim +188 arch/powerpc/kernel/swsusp_asm64.S

5a31057f Wang Dongsheng 2013-08-08  172  #ifdef CONFIG_PPC_BOOK3S_64
543b9fd3 Johannes Berg  2007-05-03  173  	/* flush caches */
543b9fd3 Johannes Berg  2007-05-03  174  	lis	r3, 0x10
543b9fd3 Johannes Berg  2007-05-03  175  	mtctr	r3
543b9fd3 Johannes Berg  2007-05-03  176  	li	r3, 0
543b9fd3 Johannes Berg  2007-05-03  177  	ori	r3, r3, CONFIG_KERNEL_START>>48
543b9fd3 Johannes Berg  2007-05-03  178  	li	r0, 48
543b9fd3 Johannes Berg  2007-05-03  179  	sld	r3, r3, r0
543b9fd3 Johannes Berg  2007-05-03  180  	li	r0, 0
543b9fd3 Johannes Berg  2007-05-03  181  1:
543b9fd3 Johannes Berg  2007-05-03  182  	dcbf	r0,r3
543b9fd3 Johannes Berg  2007-05-03  183  	addi	r3,r3,0x20
543b9fd3 Johannes Berg  2007-05-03  184  	bdnz	1b
543b9fd3 Johannes Berg  2007-05-03  185  
543b9fd3 Johannes Berg  2007-05-03  186  	sync
543b9fd3 Johannes Berg  2007-05-03  187  
543b9fd3 Johannes Berg  2007-05-03 @188  	tlbia
5a31057f Wang Dongsheng 2013-08-08  189  #endif
543b9fd3 Johannes Berg  2007-05-03  190  
543b9fd3 Johannes Berg  2007-05-03  191  	ld	r11,swsusp_save_area_ptr@toc(r2)
543b9fd3 Johannes Berg  2007-05-03  192  
543b9fd3 Johannes Berg  2007-05-03  193  	RESTORE_SPECIAL(CR)
543b9fd3 Johannes Berg  2007-05-03  194  
543b9fd3 Johannes Berg  2007-05-03  195  	/* restore timebase */
543b9fd3 Johannes Berg  2007-05-03  196  	/* load saved tb */

:::::: The code at line 188 was first introduced by commit
:::::: 543b9fd3528f64c4b20439de0edb453764482de7 [POWERPC] powermac: Suspend to disk on G5

:::::: TO: Johannes Berg <johannes@...solutions.net>
:::::: CC: Paul Mackerras <paulus@...ba.org>

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