arc: 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>

2 files changed, 1 insertions, 15 deletions

diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h
index 1163a1838ac1..aca0d5a45c7b 100644
--- a/arch/arc/include/asm/thread_info.h
+++ b/arch/arc/include/asm/thread_info.h
@@ -43,7 +43,6 @@ struct thread_info {
         int preempt_count;              /* 0 => preemptable, <0 => BUG */
         struct task_struct *task;       /* main task structure */
         mm_segment_t addr_limit;        /* thread address space */
-        struct exec_domain *exec_domain;/* execution domain */
         __u32 cpu;                      /* current CPU */
         unsigned long thr_ptr;          /* TLS ptr */
 };
@@ -56,7 +55,6 @@ struct thread_info {
 #define INIT_THREAD_INFO(tsk)                   \
 {                                               \
         .task       = &tsk,                     \
-        .exec_domain    = &default_exec_domain, \
         .flags      = 0,                        \
         .cpu        = 0,                        \
         .preempt_count  = INIT_PREEMPT_COUNT,   \
diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index edda76fae83f..2251fb4bbfd7 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -171,18 +171,6 @@ static inline void __user *get_sigframe(struct ksignal *ksig,
         return frame;
 }
 
-/*
- * translate the signal
- */
-static inline int map_sig(int sig)
-{
-        struct thread_info *thread = current_thread_info();
-        if (thread->exec_domain && thread->exec_domain->signal_invmap
-            && sig < 32)
-                sig = thread->exec_domain->signal_invmap[sig];
-        return sig;
-}
-
 static int
 setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
 {
@@ -231,7 +219,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)
                 return err;
 
         /* #1 arg to the user Signal handler */
-        regs->r0 = map_sig(ksig->sig);
+        regs->r0 = ksig->sig;
 
         /* setup PC of user space signal handler */
         regs->ret = (unsigned long)ksig->ka.sa.sa_handler;