m32r: Remove signal translation and exec_domain

As execution domain support is gone we can remove
signal translation from the signal code and remove
exec_domain from thread_info.
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/m32r/include/asm/thread_info.h

@@ -24,7 +24,6 @@
 
 struct thread_info {
 	struct task_struct	*task;		/* main task structure */
-	struct exec_domain	*exec_domain;	/* execution domain */
 	unsigned long		flags;		/* low level flags */
 	unsigned long		status;		/* thread-synchronous flags */
 	__u32			cpu;		/* current CPU */
@@ -50,7 +49,6 @@ struct thread_info {
 #define INIT_THREAD_INFO(tsk)			\
 {						\
 	.task		= &tsk,			\
-	.exec_domain	= &default_exec_domain,	\
 	.flags		= 0,			\
 	.cpu		= 0,			\
 	.preempt_count	= INIT_PREEMPT_COUNT,	\

arch/m32r/kernel/signal.c

@@ -172,20 +172,14 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
 {
 	struct rt_sigframe __user *frame;
 	int err = 0;
-	int signal, sig = ksig->sig;
+	int sig = ksig->sig;
 
 	frame = get_sigframe(ksig, regs->spu, sizeof(*frame));
 
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
 		return -EFAULT;
 
-	signal = current_thread_info()->exec_domain
-		&& current_thread_info()->exec_domain->signal_invmap
-		&& sig < 32
-		? current_thread_info()->exec_domain->signal_invmap[sig]
-		: sig;
-
-	err |= __put_user(signal, &frame->sig);
+	err |= __put_user(sig, &frame->sig);
 	if (err)
 		return -EFAULT;
 
@@ -209,7 +203,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
 
 	/* Set up registers for signal handler */
 	regs->spu = (unsigned long)frame;
-	regs->r0 = signal;	/* Arg for signal handler */
+	regs->r0 = sig;	/* Arg for signal handler */
 	regs->r1 = (unsigned long)&frame->info;
 	regs->r2 = (unsigned long)&frame->uc;
 	regs->bpc = (unsigned long)ksig->ka.sa.sa_handler;