Re: [Qemu-devel] [PATCH] linux-user: add kcmp() syscall

[Peter Maydell]

On 6 October 2016 at 13:56, Laurent Vivier <address@hidden> wrote:
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
>  linux-user/syscall.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index d21d901..a32386e 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -304,6 +304,11 @@ _syscall3(int, ioprio_set, int, which, int, who, int, 
> ioprio)
>  _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
>  #endif
>
> +#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
> +_syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type,
> +          unsigned long, idx1, unsigned long, idx2)
> +#endif
> +
>  static bitmask_transtbl fcntl_flags_tbl[] = {
>    { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
>    { TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
> @@ -11943,6 +11948,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
> arg1,
>          ret = get_errno(unshare(arg1));
>          break;
>  #endif
> +#if defined(TARGET_NR_kcmp) && defined(__NR_kcmp)
> +    case TARGET_NR_kcmp:
> +        ret = get_errno(kcmp(arg1, arg2, arg3, arg4, arg5));
> +        break;
> +#endif
>
>      default:
>      unimplemented:

Reviewed-by: Peter Maydell <address@hidden>

thanks
-- PMM