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SubjectRe: [PATCH 2/2] riscv: Add vector ISA support

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]

base: c420ddda506b80ec2686e405698d37fafeea3b7a
config: riscv-rv32_defconfig (attached as .config)
compiler: riscv32-linux-gcc (GCC) 7.5.0
wget -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 <>

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

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 };

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation
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