Hi Christoph,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git hch.aio
head:   7a074e96dee62586c935c80cecd931431bfdd0be
commit: 7a074e96dee62586c935c80cecd931431bfdd0be [7/7] aio: implement io_pgetevents
config: sh-migor_defconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 7a074e96dee62586c935c80cecd931431bfdd0be
        # save the attached .config to linux build tree
        make.cross ARCH=sh 

All warnings (new ones prefixed by >>):

   <stdin>:1317:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp]
   <stdin>:1320:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp]
   <stdin>:1323:2: warning: #warning syscall pkey_free not implemented [-Wcpp]
   <stdin>:1326:2: warning: #warning syscall statx not implemented [-Wcpp]
>> <stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]

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