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>
diff --git a/arch/arc/include/asm/thread_info.h b/arch/arc/include/asm/thread_info.h
index 1163a18..aca0d5a 100644
--- a/arch/arc/include/asm/thread_info.h
+++ b/arch/arc/include/asm/thread_info.h
@@ -43,7 +43,6 @@
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 @@
#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 edda76f..2251fb4 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -171,18 +171,6 @@
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 @@
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;