[asm-generic:compat-alloc-user-space-9 6/41] net/ethtool/ioctl.c:815:9: error: implicit declaration of function 'in_ia32_syscall'; did you mean 'in_compat_syscall'?

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git compat-alloc-user-space-9
head:   c20b182ddc8032c63c381bf868f99222bab89537
commit: 5cbe995d81d1ea310babe2c123bf1a40dff25e46 [6/41] ethtool: improve compat ioctl handling
config: um-allmodconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git/commit/?id=5cbe995d81d1ea310babe2c123bf1a40dff25e46
        git remote add asm-generic https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git
        git fetch --no-tags asm-generic compat-alloc-user-space-9
        git checkout 5cbe995d81d1ea310babe2c123bf1a40dff25e46
        # save the attached .config to linux build tree
        make W=1 ARCH=um 

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

All errors (new ones prefixed by >>):

   net/ethtool/ioctl.c: In function 'ethtool_translate_compat':
>> net/ethtool/ioctl.c:815:9: error: implicit declaration of function 'in_ia32_syscall'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration]
     815 |  return in_ia32_syscall();
         |         ^~~~~~~~~~~~~~~
         |         in_compat_syscall
   cc1: some warnings being treated as errors


vim +815 net/ethtool/ioctl.c

   810	
   811	static bool ethtool_translate_compat(void)
   812	{
   813	#ifdef CONFIG_X86_64
   814		/* On x86, translation is needed for i386 but not x32 */
 > 815		return in_ia32_syscall();
   816	#else
   817		BUILD_BUG_ON(sizeof(struct compat_ethtool_rxnfc) !=
   818			     sizeof(struct ethtool_rxnfc));
   819	#endif
   820		return false;
   821	}
   822	

---
0-DAY CI Kernel Test Service, Intel Corporation
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