um: 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, 0 insertions, 9 deletions

diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h
index e04114c4fcd9..b30c85b141d9 100644
--- a/arch/um/include/asm/thread_info.h
+++ b/arch/um/include/asm/thread_info.h
@@ -14,7 +14,6 @@
 
 struct thread_info {
         struct task_struct      *task;          /* main task structure */
-        struct exec_domain      *exec_domain;   /* execution domain */
         unsigned long           flags;          /* low level flags */
         __u32                   cpu;            /* current CPU */
         int                     preempt_count;  /* 0 => preemptable,
@@ -28,7 +27,6 @@ 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/x86/um/signal.c b/arch/x86/um/signal.c
index 0c8c32bfd792..592491d1d70d 100644
--- a/arch/x86/um/signal.c
+++ b/arch/x86/um/signal.c
@@ -549,13 +549,6 @@ int setup_signal_stack_si(unsigned long stack_top, struct ksignal *ksig,
         if (err)
                 return err;
 
-        /* Set up registers for signal handler */
-        {
-                struct exec_domain *ed = current_thread_info()->exec_domain;
-                if (unlikely(ed && ed->signal_invmap && sig < 32))
-                        sig = ed->signal_invmap[sig];
-        }
-
         PT_REGS_SP(regs) = (unsigned long) frame;
         PT_REGS_DI(regs) = sig;
         /* In case the signal handler was declared without prototypes */