tile: switch to generic compat rt_sigqueueinfo()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/tile/Kconfig

@@ -22,6 +22,7 @@ config TILE
 	select GENERIC_CLOCKEVENTS
 	select MODULES_USE_ELF_RELA
 	select GENERIC_SIGALTSTACK
+	select GENERIC_COMPAT_RT_SIGQUEUEINFO
 	select GENERIC_COMPAT_RT_SIGPROCMASK
 	select GENERIC_COMPAT_RT_SIGPENDING
 

arch/tile/include/asm/compat.h

@@ -278,8 +278,6 @@ struct compat_sigaltstack;
 long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act,
 			     struct compat_sigaction __user *oact,
 			     size_t sigsetsize);
-long compat_sys_rt_sigqueueinfo(int pid, int sig,
-				struct compat_siginfo __user *uinfo);
 long compat_sys_rt_sigreturn(void);
 long compat_sys_truncate64(char __user *filename, u32 dummy, u32 low, u32 high);
 long compat_sys_ftruncate64(unsigned int fd, u32 dummy, u32 low, u32 high);

arch/tile/kernel/compat_signal.c

@@ -97,21 +97,6 @@ long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act,
 	return ret;
 }
 
-long compat_sys_rt_sigqueueinfo(int pid, int sig,
-				struct compat_siginfo __user *uinfo)
-{
-	siginfo_t info;
-	int ret;
-	mm_segment_t old_fs = get_fs();
-
-	if (copy_siginfo_from_user32(&info, uinfo))
-		return -EFAULT;
-	set_fs(KERNEL_DS);
-	ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __force __user *)&info);
-	set_fs(old_fs);
-	return ret;
-}
-
 int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from)
 {
 	int err;