On Wed, May 24, 2023, at 02:49, Palmer Dabbelt wrote: > On Thu, 18 May 2023 09:19:35 PDT (-0700), andy.chiu@xxxxxxxxxx wrote: >> static const struct user_regset_view riscv_user_native_view = { >> diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h >> index ac3da855fb19..7d8d9ae36615 100644 >> --- a/include/uapi/linux/elf.h >> +++ b/include/uapi/linux/elf.h >> @@ -440,6 +440,7 @@ typedef struct elf64_shdr { >> #define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */ >> #define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode */ >> #define NT_MIPS_MSA 0x802 /* MIPS SIMD registers */ >> +#define NT_RISCV_VECTOR 0x900 /* RISC-V vector registers */ > > IIUC we're OK to define note types here, as they're all sub-types of the > "LINUX" note as per the comment? I'm not entirely sure, though. > > Maybe Arnd knows? No idea. It looks like glibc has the master copy of this file[1], and they pull in changes from the kernel version, so it's probably fine, but I don't know if that's the way it's intended to go. Arnd [1] https://sourceware.org/git/?p=glibc.git;a=history;f=elf/elf.h