microblaze: 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, 10 deletions

diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h
index b699fbd7de4a..383f387b4eee 100644
--- a/arch/microblaze/include/asm/thread_info.h
+++ b/arch/microblaze/include/asm/thread_info.h
@@ -65,7 +65,6 @@ typedef struct {
 
 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 */
@@ -81,7 +80,6 @@ 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/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index a1cbaf90e2ea..cf7d8a372a0f 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -158,7 +158,6 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
 {
         struct rt_sigframe __user *frame;
         int err = 0, sig = ksig->sig;
-        unsigned long signal;
         unsigned long address = 0;
 #ifdef CONFIG_MMU
         pmd_t *pmdp;
@@ -170,12 +169,6 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
         if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
                 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]
-                : (unsigned long)sig;
-
         if (ksig->ka.sa.sa_flags & SA_SIGINFO)
                 err |= copy_siginfo_to_user(&frame->info, &ksig->info);
 
@@ -230,7 +223,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
         regs->r1 = (unsigned long) frame;
 
         /* Signal handler args: */
-        regs->r5 = signal; /* arg 0: signum */
+        regs->r5 = sig; /* arg 0: signum */
         regs->r6 = (unsigned long) &frame->info; /* arg 1: siginfo */
         regs->r7 = (unsigned long) &frame->uc; /* arg2: ucontext */
         /* Offset to handle microblaze rtid r14, 0 */