Re: [PATCH] mips: add vdso support

[Rich Felker <dalias@libc.org>]

On Sat, Jan 23, 2016 at 09:31:58PM +0100, Hauke Mehrtens wrote:
> vdso support is available on mips starting with kernel 4.4, see kernel
> commit a7f4df4e21 "MIPS: VDSO: Add implementations of gettimeofday()
> and clock_gettime()" for details.
> 
> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
> ---
>  arch/mips/syscall_arch.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h
> index e74e0ad..39c0ea3 100644
> --- a/arch/mips/syscall_arch.h
> +++ b/arch/mips/syscall_arch.h
> @@ -161,3 +161,7 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
>  	if (n == SYS_fstatat) __stat_fix(c);
>  	return r2;
>  }
> +
> +#define VDSO_USEFUL
> +#define VDSO_CGT_SYM "__vdso_clock_gettime"
> +#define VDSO_CGT_VER "LINUX_2.6"
> -- 
> 2.7.0.rc3

Nice! Have you tested it on some real hardware with vdso support to
confirm that it's working properly?

Rich