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SubjectRe: [PATCH 2/3] riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
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On Fri, 03 Jul 2020 01:57:54 PDT (-0700), zong.li@sifive.com wrote:
> AT_VECTOR_SIZE_ARCH should be defined with the maximum number of
> NEW_AUX_ENT entries that ARCH_DLINFO can contain, but it wasn't defined
> for RISC-V at all even though ARCH_DLINFO will contain one NEW_AUX_ENT
> for the VDSO address.
>
> Signed-off-by: Zong Li <zong.li@sifive.com>
> ---
> arch/riscv/include/uapi/asm/auxvec.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/riscv/include/uapi/asm/auxvec.h b/arch/riscv/include/uapi/asm/auxvec.h
> index d86cb17bbabe..22e0ae888406 100644
> --- a/arch/riscv/include/uapi/asm/auxvec.h
> +++ b/arch/riscv/include/uapi/asm/auxvec.h
> @@ -10,4 +10,7 @@
> /* vDSO location */
> #define AT_SYSINFO_EHDR 33
>
> +/* entries in ARCH_DLINFO */
> +#define AT_VECTOR_SIZE_ARCH 1
> +
> #endif /* _UAPI_ASM_RISCV_AUXVEC_H */

Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>

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