powerpc: switch to generic compat rt_sigqueueinfo()

	select MODULES_USE_ELF_RELA

	select CLONE_BACKWARDS

	select GENERIC_SIGALTSTACK

	select GENERIC_COMPAT_RT_SIGQUEUEINFO

	select GENERIC_COMPAT_RT_SIGPROCMASK

	select GENERIC_COMPAT_RT_SIGPENDING

	return 0;

}

/*

 * Note: it is necessary to treat pid and sig as unsigned ints, with the

 * corresponding cast to a signed int to insure that the proper conversion

 * (sign extension) between the register representation of a signed int

 * (msr in 32-bit mode) and the register representation of a signed int

 * (msr in 64-bit mode) is performed.

 */

long compat_sys_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo)

{

	siginfo_t info;

	int ret;

	mm_segment_t old_fs = get_fs();

	ret = copy_siginfo_from_user32(&info, uinfo);

	if (unlikely(ret))

		return ret;

	set_fs (KERNEL_DS);

	/* The __user pointer cast is valid becasuse of the set_fs() */

	ret = sys_rt_sigqueueinfo((int)pid, (int)sig, (siginfo_t __user *) &info);

	set_fs (old_fs);

	return ret;

}

#endif /* CONFIG_PPC64 */

/*