Hi Nadav,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/auto-latest]
[also build test ERROR on v4.17-rc5 next-20180517]
[cannot apply to tip/x86/core]
[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/Nadav-Amit/x86-objtool-use-asm-macro-for-better-compiler-decisions/20180519-045439
config: x86_64-allyesdebian (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   arch/x86/include/asm/refcount.h: Assembler messages:
>> arch/x86/include/asm/refcount.h:67: Error: too many positional arguments

vim +67 arch/x86/include/asm/refcount.h

    63  
    64  static __always_inline void refcount_inc(refcount_t *r)
    65  {
    66          asm volatile(LOCK_PREFIX "incl %0\n\t"
  > 67                  "__REFCOUNT_CHECK_LT_ZERO %[counter]"
    68                  : [counter] "+m" (r->refs.counter)
    69                  : : "cc", "cx");
    70  }
    71  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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