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Date:   Wed, 6 May 2020 09:57:25 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [rcu:tglx.2020.05.05a 48/140] arch/um/include/asm/irqflags.h:5:
 Error: no such instruction: `extern int get_signals(void)'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git tglx.2020.05.05a
head:   e6d36eed49b863bbe393e3c07cae737cd9c475e3
commit: 1af1a839cb2f00c8d7533102ece276ac315ecef2 [48/140] x86/entry/64: Check IF in __preempt_enable_notrace() thunk
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce:
        git checkout 1af1a839cb2f00c8d7533102ece276ac315ecef2
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   arch/um/include/asm/irqflags.h: Assembler messages:
>> arch/um/include/asm/irqflags.h:5: Error: no such instruction: `extern int get_signals(void)'
>> arch/um/include/asm/irqflags.h:6: Error: no such instruction: `extern int set_signals(int enable)'
>> arch/um/include/asm/irqflags.h:7: Error: no such instruction: `extern void block_signals(void)'
>> arch/um/include/asm/irqflags.h:8: Error: no such instruction: `extern void unblock_signals(void)'
>> arch/um/include/asm/irqflags.h:11: Error: no such instruction: `static inline unsigned long arch_local_save_flags(void)'
>> arch/um/include/asm/irqflags.h:12: Error: no such instruction: `{'
>> arch/um/include/asm/irqflags.h:13: Error: no such instruction: `return get_signals()'
>> arch/um/include/asm/irqflags.h:14: Error: junk at end of line, first unrecognized character is `}'
>> arch/um/include/asm/irqflags.h:17: Error: no such instruction: `static inline void arch_local_irq_restore(unsigned long flags)'
   arch/um/include/asm/irqflags.h:18: Error: no such instruction: `{'
>> arch/um/include/asm/irqflags.h:19: Error: invalid character '(' in mnemonic
   arch/um/include/asm/irqflags.h:20: Error: junk at end of line, first unrecognized character is `}'
>> arch/um/include/asm/irqflags.h:23: Error: no such instruction: `static inline void arch_local_irq_enable(void)'
   arch/um/include/asm/irqflags.h:24: Error: no such instruction: `{'
   arch/um/include/asm/irqflags.h:25: Error: invalid character '(' in mnemonic
   arch/um/include/asm/irqflags.h:26: Error: junk at end of line, first unrecognized character is `}'
>> arch/um/include/asm/irqflags.h:29: Error: no such instruction: `static inline void arch_local_irq_disable(void)'
   arch/um/include/asm/irqflags.h:30: Error: no such instruction: `{'
   arch/um/include/asm/irqflags.h:31: Error: invalid character '(' in mnemonic
   arch/um/include/asm/irqflags.h:32: Error: junk at end of line, first unrecognized character is `}'
>> include/asm-generic/irqflags.h:26: Error: no such instruction: `static inline unsigned long arch_local_irq_save(void)'
>> include/asm-generic/irqflags.h:27: Error: no such instruction: `{'
>> include/asm-generic/irqflags.h:28: Error: no such instruction: `unsigned long flags'
>> include/asm-generic/irqflags.h:29: Error: junk at end of line, first unrecognized character is `('
>> include/asm-generic/irqflags.h:30: Error: no such instruction: `arch_local_irq_restore(0)'
>> include/asm-generic/irqflags.h:31: Error: no such instruction: `return flags'
>> include/asm-generic/irqflags.h:32: Error: junk at end of line, first unrecognized character is `}'
>> include/asm-generic/irqflags.h:37: Error: no such instruction: `static inline int arch_irqs_disabled_flags(unsigned long flags)'
   include/asm-generic/irqflags.h:38: Error: no such instruction: `{'
   include/asm-generic/irqflags.h:39: Error: no such instruction: `return flags==0'
   include/asm-generic/irqflags.h:40: Error: junk at end of line, first unrecognized character is `}'
   include/asm-generic/irqflags.h:61: Error: no such instruction: `static inline int arch_irqs_disabled(void)'
   include/asm-generic/irqflags.h:62: Error: no such instruction: `{'
   include/asm-generic/irqflags.h:63: Error: no such instruction: `return arch_irqs_disabled_flags(arch_local_save_flags())'
   include/asm-generic/irqflags.h:64: Error: junk at end of line, first unrecognized character is `}'

vim +5 arch/um/include/asm/irqflags.h

65e62974a8a615 include/asm-um/irqflags.h      Jeff Dike     2006-06-04   4  
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  @5  extern int get_signals(void);
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  @6  extern int set_signals(int enable);
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  @7  extern void block_signals(void);
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  @8  extern void unblock_signals(void);
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18   9  
3e938957357459 arch/um/include/asm/irqflags.h Daniel Wagner 2016-06-12  10  #define arch_local_save_flags arch_local_save_flags
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @11  static inline unsigned long arch_local_save_flags(void)
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @12  {
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @13  	return get_signals();
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @14  }
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  15  
3e938957357459 arch/um/include/asm/irqflags.h Daniel Wagner 2016-06-12  16  #define arch_local_irq_restore arch_local_irq_restore
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @17  static inline void arch_local_irq_restore(unsigned long flags)
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  18  {
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @19  	set_signals(flags);
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  20  }
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  21  
3e938957357459 arch/um/include/asm/irqflags.h Daniel Wagner 2016-06-12  22  #define arch_local_irq_enable arch_local_irq_enable
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @23  static inline void arch_local_irq_enable(void)
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  24  {
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  25  	unblock_signals();
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  26  }
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  27  
3e938957357459 arch/um/include/asm/irqflags.h Daniel Wagner 2016-06-12  28  #define arch_local_irq_disable arch_local_irq_disable
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18 @29  static inline void arch_local_irq_disable(void)
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  30  {
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  31  	block_signals();
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  32  }
a34978cbd977ab arch/um/include/asm/irqflags.h Al Viro       2011-08-18  33  

:::::: The code at line 5 was first introduced by commit
:::::: a34978cbd977ab62c744f63daacd9dc1474482be um: kill system-um.h

:::::: TO: Al Viro <viro@....linux.org.uk>
:::::: CC: Richard Weinberger <richard@....at>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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