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>

1 files changed, 1 insertions, 13 deletions

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;