arm64: 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>

diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index 702e1e6a0d80f915871ff7c938b93695a22ba5aa..dcd06d18a42a36a4859c34370819d323f7e171d7 100644 (file)
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -33,7 +33,6 @@
 #ifndef __ASSEMBLY__
 
 struct task_struct;
-struct exec_domain;
 
 #include <asm/types.h>
 
@@ -47,7 +46,6 @@ struct thread_info {
        unsigned long           flags;          /* low level flags */
        mm_segment_t            addr_limit;     /* address limit */
        struct task_struct      *task;          /* main task structure */
-       struct exec_domain      *exec_domain;   /* execution domain */
        int                     preempt_count;  /* 0 => preemptable, <0 => bug */
        int                     cpu;            /* cpu */
 };
@@ -55,7 +53,6 @@ struct thread_info {
 #define INIT_THREAD_INFO(tsk)                                          \
 {                                                                      \
        .task           = &tsk,                                         \
-       .exec_domain    = &default_exec_domain,                         \
        .flags          = 0,                                            \
        .preempt_count  = INIT_PREEMPT_COUNT,                           \
        .addr_limit     = KERNEL_DS,                                    \

diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index f7fa65d4c3525e47de17d8349e4ae415e4de18ad..56cadd3606bf70c3e18d2df8da882804288a8e35 100644 (file)
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -38,7 +38,6 @@ int main(void)
   DEFINE(TI_PREEMPT,           offsetof(struct thread_info, preempt_count));
   DEFINE(TI_ADDR_LIMIT,                offsetof(struct thread_info, addr_limit));
   DEFINE(TI_TASK,              offsetof(struct thread_info, task));
-  DEFINE(TI_EXEC_DOMAIN,       offsetof(struct thread_info, exec_domain));
   DEFINE(TI_CPU,               offsetof(struct thread_info, cpu));
   BLANK();
   DEFINE(THREAD_CPU_CONTEXT,   offsetof(struct task_struct, thread.cpu_context));

diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index 660ccf9f7524cb665e3318b32fa23bfe06577e05..9f28eaa971230fa09a4766cf15f19ff80b6d0436 100644 (file)
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -293,12 +293,6 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
        int usig = ksig->sig;
        int ret;
 
-       /*
-        * translate the signal
-        */
-       if (usig < 32 && thread->exec_domain && thread->exec_domain->signal_invmap)
-               usig = thread->exec_domain->signal_invmap[usig];
-
        /*
         * Set up the stack frame
         */