xtensa: 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, 2 insertions, 11 deletions

diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index baa1f279f59f..9ad12c617184 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -44,7 +44,6 @@ typedef struct xtregs_coprocessor {
 
 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 */
@@ -72,7 +71,6 @@ 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/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 3d733ba16f28..1785c4dae1ce 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -336,7 +336,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
 {
         struct rt_sigframe *frame;
         int err = 0, sig = ksig->sig;
-        int signal;
         unsigned long sp, ra, tp;
 
         sp = regs->areg[1];
@@ -354,12 +353,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
                 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;
-
         if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
                 err |= copy_siginfo_to_user(&frame->info, &ksig->info);
         }
@@ -400,7 +393,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
          * Note: PS.CALLINC is set to one by start_thread
          */
         regs->areg[4] = (((unsigned long) ra) & 0x3fffffff) | 0x40000000;
-        regs->areg[6] = (unsigned long) signal;
+        regs->areg[6] = (unsigned long) sig;
         regs->areg[7] = (unsigned long) &frame->info;
         regs->areg[8] = (unsigned long) &frame->uc;
         regs->threadptr = tp;
@@ -412,7 +405,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set,
 
 #if DEBUG_SIG
         printk("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08x\n",
-                current->comm, current->pid, signal, frame, regs->pc);
+                current->comm, current->pid, sig, frame, regs->pc);
 #endif
 
         return 0;