Hi,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.5-rc4 next-20191220]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/guoren-kernel-org/riscv-Fixup-obvious-bug-for-fp-regs-reset/20200105-105609
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git c420ddda506b80ec2686e405698d37fafeea3b7a
config: riscv-rv32_defconfig (attached as .config)
compiler: riscv32-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=riscv 

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

All errors (new ones prefixed by >>):

   In file included from arch/riscv/include/asm/ptrace.h:9:0,
                    from arch/riscv/include/asm/processor.h:11,
                    from arch/riscv/include/asm/irqflags.h:10,
                    from include/linux/irqflags.h:16,
                    from arch/riscv/include/asm/bitops.h:14,
                    from include/linux/bitops.h:26,
                    from include/linux/kernel.h:12,
                    from include/asm-generic/bug.h:19,
                    from arch/riscv/include/asm/bug.h:75,
                    from include/linux/bug.h:5,
                    from include/linux/page-flags.h:10,
                    from kernel/bounds.c:10:
>> arch/riscv/include/uapi/asm/ptrace.h:75:2: error: unknown type name '__uint128_t'
     __uint128_t v[32];
     ^~~~~~~~~~~
   make[2]: *** [kernel/bounds.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2
   507 real  2 user  5 sys  1.58% cpu 	make prepare

vim +/__uint128_t +75 arch/riscv/include/uapi/asm/ptrace.h

    73	
    74	struct __riscv_v_state {
  > 75		__uint128_t v[32];
    76		unsigned long vstart;
    77		unsigned long vxsat;
    78		unsigned long vxrm;
    79		unsigned long vl;
    80		unsigned long vtype;
    81	};
    82	

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0-DAY kernel test infrastructure                 Open Source Technology Center
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