x86: 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, 1 insertions, 18 deletions

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index 1d4e4f279a32..2df52baf5228 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -19,13 +19,11 @@
  */
 #ifndef __ASSEMBLY__
 struct task_struct;
-struct exec_domain;
 #include <asm/processor.h>
 #include <linux/atomic.h>
 
 struct thread_info {
         struct task_struct      *task;          /* main task structure */
-        struct exec_domain      *exec_domain;   /* execution domain */
         __u32                   flags;          /* low level flags */
         __u32                   status;         /* thread synchronous flags */
         __u32                   cpu;            /* current CPU */
@@ -39,7 +37,6 @@ struct thread_info {
 #define INIT_THREAD_INFO(tsk)                   \
 {                                               \
         .task           = &tsk,                 \
-        .exec_domain    = &default_exec_domain, \
         .flags          = 0,                    \
         .cpu            = 0,                    \
         .saved_preempt_count = INIT_PREEMPT_COUNT,      \
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index e5042463c1bc..5ddc7ec20e75 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -592,24 +592,10 @@ badframe:
         return 0;
 }
 
-/*
- * OK, we're invoking a handler:
- */
-static int signr_convert(int sig)
-{
-#ifdef CONFIG_X86_32
-        struct thread_info *info = current_thread_info();
-
-        if (info->exec_domain && info->exec_domain->signal_invmap && sig < 32)
-                return info->exec_domain->signal_invmap[sig];
-#endif /* CONFIG_X86_32 */
-        return sig;
-}
-
 static int
 setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
 {
-        int usig = signr_convert(ksig->sig);
+        int usig = ksig->sig;
         sigset_t *set = sigmask_to_save();
         compat_sigset_t *cset = (compat_sigset_t *) set;