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authorRichard Weinberger <richard@nod.at>2015-03-27 11:55:52 +0300
committerRichard Weinberger <richard@nod.at>2015-04-12 22:03:30 +0300
commite6de3ca91cd7ee252ef271c96a4c480c1f3e071e (patch)
treeb3109e4f1341573644ffce774b67f255c175458a
parent3e66701cbda2e04bb62e0afe2f3d86c9d3d76b24 (diff)
downloadlinux-e6de3ca91cd7ee252ef271c96a4c480c1f3e071e.tar.xz
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>
-rw-r--r--arch/arc/include/asm/thread_info.h2
-rw-r--r--arch/arc/kernel/signal.c14
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;